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-rw-r--r--ffmpeg_opt.c3002
1 files changed, 3002 insertions, 0 deletions
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
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index 0000000000..5b6a26abbe
--- /dev/null
+++ b/ffmpeg_opt.c
@@ -0,0 +1,3002 @@
+/*
+ * ffmpeg option parsing
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "ffmpeg.h"
+#include "cmdutils.h"
+
+#include "libavformat/avformat.h"
+
+#include "libavcodec/avcodec.h"
+
+#include "libavfilter/avfilter.h"
+
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/avutil.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/fifo.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/pixfmt.h"
+
+#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
+{\
+ int i, ret;\
+ for (i = 0; i < o->nb_ ## name; i++) {\
+ char *spec = o->name[i].specifier;\
+ if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
+ outvar = o->name[i].u.type;\
+ else if (ret < 0)\
+ exit_program(1);\
+ }\
+}
+
+#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
+{\
+ int i;\
+ for (i = 0; i < o->nb_ ## name; i++) {\
+ char *spec = o->name[i].specifier;\
+ if (!strcmp(spec, mediatype))\
+ outvar = o->name[i].u.type;\
+ }\
+}
+
+const HWAccel hwaccels[] = {
+#if HAVE_VDPAU_X11
+ { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
+#endif
+#if HAVE_DXVA2_LIB
+ { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
+#endif
+ { 0 },
+};
+
+char *vstats_filename;
+
+float audio_drift_threshold = 0.1;
+float dts_delta_threshold = 10;
+float dts_error_threshold = 3600*30;
+
+int audio_volume = 256;
+int audio_sync_method = 0;
+int video_sync_method = VSYNC_AUTO;
+int do_deinterlace = 0;
+int do_benchmark = 0;
+int do_benchmark_all = 0;
+int do_hex_dump = 0;
+int do_pkt_dump = 0;
+int copy_ts = 0;
+int copy_tb = -1;
+int debug_ts = 0;
+int exit_on_error = 0;
+int print_stats = -1;
+int qp_hist = 0;
+int stdin_interaction = 1;
+int frame_bits_per_raw_sample = 0;
+float max_error_rate = 2.0/3;
+
+
+static int intra_only = 0;
+static int file_overwrite = 0;
+static int no_file_overwrite = 0;
+static int video_discard = 0;
+static int intra_dc_precision = 8;
+static int do_psnr = 0;
+static int input_sync;
+static int override_ffserver = 0;
+
+static void uninit_options(OptionsContext *o)
+{
+ const OptionDef *po = options;
+ int i;
+
+ /* all OPT_SPEC and OPT_STRING can be freed in generic way */
+ while (po->name) {
+ void *dst = (uint8_t*)o + po->u.off;
+
+ if (po->flags & OPT_SPEC) {
+ SpecifierOpt **so = dst;
+ int i, *count = (int*)(so + 1);
+ for (i = 0; i < *count; i++) {
+ av_freep(&(*so)[i].specifier);
+ if (po->flags & OPT_STRING)
+ av_freep(&(*so)[i].u.str);
+ }
+ av_freep(so);
+ *count = 0;
+ } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
+ av_freep(dst);
+ po++;
+ }
+
+ for (i = 0; i < o->nb_stream_maps; i++)
+ av_freep(&o->stream_maps[i].linklabel);
+ av_freep(&o->stream_maps);
+ av_freep(&o->audio_channel_maps);
+ av_freep(&o->streamid_map);
+ av_freep(&o->attachments);
+}
+
+static void init_options(OptionsContext *o)
+{
+ memset(o, 0, sizeof(*o));
+
+ o->stop_time = INT64_MAX;
+ o->mux_max_delay = 0.7;
+ o->start_time = AV_NOPTS_VALUE;
+ o->recording_time = INT64_MAX;
+ o->limit_filesize = UINT64_MAX;
+ o->chapters_input_file = INT_MAX;
+ o->accurate_seek = 1;
+}
+
+/* return a copy of the input with the stream specifiers removed from the keys */
+static AVDictionary *strip_specifiers(AVDictionary *dict)
+{
+ AVDictionaryEntry *e = NULL;
+ AVDictionary *ret = NULL;
+
+ while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ char *p = strchr(e->key, ':');
+
+ if (p)
+ *p = 0;
+ av_dict_set(&ret, e->key, e->value, 0);
+ if (p)
+ *p = ':';
+ }
+ return ret;
+}
+
+static int opt_sameq(void *optctx, const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
+ "If you are looking for an option to preserve the quality (which is not "
+ "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
+ opt, opt);
+ return AVERROR(EINVAL);
+}
+
+static int opt_video_channel(void *optctx, const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
+ return opt_default(optctx, "channel", arg);
+}
+
+static int opt_video_standard(void *optctx, const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
+ return opt_default(optctx, "standard", arg);
+}
+
+static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:a", arg, options);
+}
+
+static int opt_video_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:v", arg, options);
+}
+
+static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:s", arg, options);
+}
+
+static int opt_data_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:d", arg, options);
+}
+
+static int opt_map(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ StreamMap *m = NULL;
+ int i, negative = 0, file_idx;
+ int sync_file_idx = -1, sync_stream_idx = 0;
+ char *p, *sync;
+ char *map;
+
+ if (*arg == '-') {
+ negative = 1;
+ arg++;
+ }
+ map = av_strdup(arg);
+
+ /* parse sync stream first, just pick first matching stream */
+ if (sync = strchr(map, ',')) {
+ *sync = 0;
+ sync_file_idx = strtol(sync + 1, &sync, 0);
+ if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
+ exit_program(1);
+ }
+ if (*sync)
+ sync++;
+ for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
+ if (check_stream_specifier(input_files[sync_file_idx]->ctx,
+ input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
+ sync_stream_idx = i;
+ break;
+ }
+ if (i == input_files[sync_file_idx]->nb_streams) {
+ av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
+ "match any streams.\n", arg);
+ exit_program(1);
+ }
+ }
+
+
+ if (map[0] == '[') {
+ /* this mapping refers to lavfi output */
+ const char *c = map + 1;
+ GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
+ m = &o->stream_maps[o->nb_stream_maps - 1];
+ m->linklabel = av_get_token(&c, "]");
+ if (!m->linklabel) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
+ exit_program(1);
+ }
+ } else {
+ file_idx = strtol(map, &p, 0);
+ if (file_idx >= nb_input_files || file_idx < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
+ exit_program(1);
+ }
+ if (negative)
+ /* disable some already defined maps */
+ for (i = 0; i < o->nb_stream_maps; i++) {
+ m = &o->stream_maps[i];
+ if (file_idx == m->file_index &&
+ check_stream_specifier(input_files[m->file_index]->ctx,
+ input_files[m->file_index]->ctx->streams[m->stream_index],
+ *p == ':' ? p + 1 : p) > 0)
+ m->disabled = 1;
+ }
+ else
+ for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
+ if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
+ *p == ':' ? p + 1 : p) <= 0)
+ continue;
+ GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
+ m = &o->stream_maps[o->nb_stream_maps - 1];
+
+ m->file_index = file_idx;
+ m->stream_index = i;
+
+ if (sync_file_idx >= 0) {
+ m->sync_file_index = sync_file_idx;
+ m->sync_stream_index = sync_stream_idx;
+ } else {
+ m->sync_file_index = file_idx;
+ m->sync_stream_index = i;
+ }
+ }
+ }
+
+ if (!m) {
+ av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
+ exit_program(1);
+ }
+
+ av_freep(&map);
+ return 0;
+}
+
+static int opt_attach(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ GROW_ARRAY(o->attachments, o->nb_attachments);
+ o->attachments[o->nb_attachments - 1] = arg;
+ return 0;
+}
+
+static int opt_map_channel(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ int n;
+ AVStream *st;
+ AudioChannelMap *m;
+
+ GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
+ m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
+
+ /* muted channel syntax */
+ n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
+ if ((n == 1 || n == 3) && m->channel_idx == -1) {
+ m->file_idx = m->stream_idx = -1;
+ if (n == 1)
+ m->ofile_idx = m->ostream_idx = -1;
+ return 0;
+ }
+
+ /* normal syntax */
+ n = sscanf(arg, "%d.%d.%d:%d.%d",
+ &m->file_idx, &m->stream_idx, &m->channel_idx,
+ &m->ofile_idx, &m->ostream_idx);
+
+ if (n != 3 && n != 5) {
+ av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
+ "[file.stream.channel|-1][:syncfile:syncstream]\n");
+ exit_program(1);
+ }
+
+ if (n != 5) // only file.stream.channel specified
+ m->ofile_idx = m->ostream_idx = -1;
+
+ /* check input */
+ if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
+ m->file_idx);
+ exit_program(1);
+ }
+ if (m->stream_idx < 0 ||
+ m->stream_idx >= input_files[m->file_idx]->nb_streams) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
+ m->file_idx, m->stream_idx);
+ exit_program(1);
+ }
+ st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
+ if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
+ m->file_idx, m->stream_idx);
+ exit_program(1);
+ }
+ if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
+ m->file_idx, m->stream_idx, m->channel_idx);
+ exit_program(1);
+ }
+ return 0;
+}
+
+/**
+ * Parse a metadata specifier passed as 'arg' parameter.
+ * @param arg metadata string to parse
+ * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
+ * @param index for type c/p, chapter/program index is written here
+ * @param stream_spec for type s, the stream specifier is written here
+ */
+static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
+{
+ if (*arg) {
+ *type = *arg;
+ switch (*arg) {
+ case 'g':
+ break;
+ case 's':
+ if (*(++arg) && *arg != ':') {
+ av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
+ exit_program(1);
+ }
+ *stream_spec = *arg == ':' ? arg + 1 : "";
+ break;
+ case 'c':
+ case 'p':
+ if (*(++arg) == ':')
+ *index = strtol(++arg, NULL, 0);
+ break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
+ exit_program(1);
+ }
+ } else
+ *type = 'g';
+}
+
+static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
+{
+ AVDictionary **meta_in = NULL;
+ AVDictionary **meta_out = NULL;
+ int i, ret = 0;
+ char type_in, type_out;
+ const char *istream_spec = NULL, *ostream_spec = NULL;
+ int idx_in = 0, idx_out = 0;
+
+ parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
+ parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
+
+ if (!ic) {
+ if (type_out == 'g' || !*outspec)
+ o->metadata_global_manual = 1;
+ if (type_out == 's' || !*outspec)
+ o->metadata_streams_manual = 1;
+ if (type_out == 'c' || !*outspec)
+ o->metadata_chapters_manual = 1;
+ return 0;
+ }
+
+ if (type_in == 'g' || type_out == 'g')
+ o->metadata_global_manual = 1;
+ if (type_in == 's' || type_out == 's')
+ o->metadata_streams_manual = 1;
+ if (type_in == 'c' || type_out == 'c')
+ o->metadata_chapters_manual = 1;
+
+ /* ic is NULL when just disabling automatic mappings */
+ if (!ic)
+ return 0;
+
+#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
+ if ((index) < 0 || (index) >= (nb_elems)) {\
+ av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
+ (desc), (index));\
+ exit_program(1);\
+ }
+
+#define SET_DICT(type, meta, context, index)\
+ switch (type) {\
+ case 'g':\
+ meta = &context->metadata;\
+ break;\
+ case 'c':\
+ METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
+ meta = &context->chapters[index]->metadata;\
+ break;\
+ case 'p':\
+ METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
+ meta = &context->programs[index]->metadata;\
+ break;\
+ case 's':\
+ break; /* handled separately below */ \
+ default: av_assert0(0);\
+ }\
+
+ SET_DICT(type_in, meta_in, ic, idx_in);
+ SET_DICT(type_out, meta_out, oc, idx_out);
+
+ /* for input streams choose first matching stream */
+ if (type_in == 's') {
+ for (i = 0; i < ic->nb_streams; i++) {
+ if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
+ meta_in = &ic->streams[i]->metadata;
+ break;
+ } else if (ret < 0)
+ exit_program(1);
+ }
+ if (!meta_in) {
+ av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
+ exit_program(1);
+ }
+ }
+
+ if (type_out == 's') {
+ for (i = 0; i < oc->nb_streams; i++) {
+ if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
+ meta_out = &oc->streams[i]->metadata;
+ av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+ } else if (ret < 0)
+ exit_program(1);
+ }
+ } else
+ av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+
+ return 0;
+}
+
+static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char buf[128];
+ int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
+ struct tm time = *gmtime((time_t*)&recording_timestamp);
+ strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
+ parse_option(o, "metadata", buf, options);
+
+ av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
+ "tag instead.\n", opt);
+ return 0;
+}
+
+static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
+{
+ const AVCodecDescriptor *desc;
+ const char *codec_string = encoder ? "encoder" : "decoder";
+ AVCodec *codec;
+
+ codec = encoder ?
+ avcodec_find_encoder_by_name(name) :
+ avcodec_find_decoder_by_name(name);
+
+ if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
+ codec = encoder ? avcodec_find_encoder(desc->id) :
+ avcodec_find_decoder(desc->id);
+ if (codec)
+ av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
+ codec_string, codec->name, desc->name);
+ }
+
+ if (!codec) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
+ exit_program(1);
+ }
+ if (codec->type != type) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
+ exit_program(1);
+ }
+ return codec;
+}
+
+static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
+{
+ char *codec_name = NULL;
+
+ MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
+ if (codec_name) {
+ AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
+ st->codec->codec_id = codec->id;
+ return codec;
+ } else
+ return avcodec_find_decoder(st->codec->codec_id);
+}
+
+/* Add all the streams from the given input file to the global
+ * list of input streams. */
+static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
+{
+ int i;
+
+ for (i = 0; i < ic->nb_streams; i++) {
+ AVStream *st = ic->streams[i];
+ AVCodecContext *dec = st->codec;
+ InputStream *ist = av_mallocz(sizeof(*ist));
+ char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
+ char *codec_tag = NULL;
+ char *next;
+
+ if (!ist)
+ exit_program(1);
+
+ GROW_ARRAY(input_streams, nb_input_streams);
+ input_streams[nb_input_streams - 1] = ist;
+
+ ist->st = st;
+ ist->file_index = nb_input_files;
+ ist->discard = 1;
+ st->discard = AVDISCARD_ALL;
+
+ ist->ts_scale = 1.0;
+ MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
+
+ MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
+ if (codec_tag) {
+ uint32_t tag = strtol(codec_tag, &next, 0);
+ if (*next)
+ tag = AV_RL32(codec_tag);
+ st->codec->codec_tag = tag;
+ }
+
+ ist->dec = choose_decoder(o, ic, st);
+ ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec);
+
+ ist->reinit_filters = -1;
+ MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
+
+ ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
+
+ switch (dec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+ if (av_codec_get_lowres(dec)) {
+ dec->flags |= CODEC_FLAG_EMU_EDGE;
+ }
+
+ ist->resample_height = dec->height;
+ ist->resample_width = dec->width;
+ ist->resample_pix_fmt = dec->pix_fmt;
+
+ MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
+ if (framerate && av_parse_video_rate(&ist->framerate,
+ framerate) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
+ framerate);
+ exit_program(1);
+ }
+
+ ist->top_field_first = -1;
+ MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
+
+ MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
+ if (hwaccel) {
+ if (!strcmp(hwaccel, "none"))
+ ist->hwaccel_id = HWACCEL_NONE;
+ else if (!strcmp(hwaccel, "auto"))
+ ist->hwaccel_id = HWACCEL_AUTO;
+ else {
+ int i;
+ for (i = 0; hwaccels[i].name; i++) {
+ if (!strcmp(hwaccels[i].name, hwaccel)) {
+ ist->hwaccel_id = hwaccels[i].id;
+ break;
+ }
+ }
+
+ if (!ist->hwaccel_id) {
+ av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
+ hwaccel);
+ av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
+ for (i = 0; hwaccels[i].name; i++)
+ av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
+ av_log(NULL, AV_LOG_FATAL, "\n");
+ exit_program(1);
+ }
+ }
+ }
+
+ MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
+ if (hwaccel_device) {
+ ist->hwaccel_device = av_strdup(hwaccel_device);
+ if (!ist->hwaccel_device)
+ exit_program(1);
+ }
+ ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
+
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ist->guess_layout_max = INT_MAX;
+ MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
+ guess_input_channel_layout(ist);
+
+ ist->resample_sample_fmt = dec->sample_fmt;
+ ist->resample_sample_rate = dec->sample_rate;
+ ist->resample_channels = dec->channels;
+ ist->resample_channel_layout = dec->channel_layout;
+
+ break;
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_SUBTITLE: {
+ char *canvas_size = NULL;
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+ MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
+ MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
+ if (canvas_size &&
+ av_parse_video_size(&dec->width, &dec->height, canvas_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
+ exit_program(1);
+ }
+ break;
+ }
+ case AVMEDIA_TYPE_ATTACHMENT:
+ case AVMEDIA_TYPE_UNKNOWN:
+ break;
+ default:
+ abort();
+ }
+ }
+}
+
+static void assert_file_overwrite(const char *filename)
+{
+ if (file_overwrite && no_file_overwrite) {
+ fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
+ exit_program(1);
+ }
+
+ if (!file_overwrite) {
+ const char *proto_name = avio_find_protocol_name(filename);
+ if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
+ if (stdin_interaction && !no_file_overwrite) {
+ fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
+ fflush(stderr);
+ term_exit();
+ signal(SIGINT, SIG_DFL);
+ if (!read_yesno()) {
+ av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
+ exit_program(1);
+ }
+ term_init();
+ }
+ else {
+ av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
+ exit_program(1);
+ }
+ }
+ }
+}
+
+static void dump_attachment(AVStream *st, const char *filename)
+{
+ int ret;
+ AVIOContext *out = NULL;
+ AVDictionaryEntry *e;
+
+ if (!st->codec->extradata_size) {
+ av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
+ nb_input_files - 1, st->index);
+ return;
+ }
+ if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
+ filename = e->value;
+ if (!*filename) {
+ av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
+ "in stream #%d:%d.\n", nb_input_files - 1, st->index);
+ exit_program(1);
+ }
+
+ assert_file_overwrite(filename);
+
+ if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
+ filename);
+ exit_program(1);
+ }
+
+ avio_write(out, st->codec->extradata, st->codec->extradata_size);
+ avio_flush(out);
+ avio_close(out);
+}
+
+static int open_input_file(OptionsContext *o, const char *filename)
+{
+ InputFile *f;
+ AVFormatContext *ic;
+ AVInputFormat *file_iformat = NULL;
+ int err, i, ret;
+ int64_t timestamp;
+ uint8_t buf[128];
+ AVDictionary **opts;
+ AVDictionary *unused_opts = NULL;
+ AVDictionaryEntry *e = NULL;
+ int orig_nb_streams; // number of streams before avformat_find_stream_info
+ char * video_codec_name = NULL;
+ char * audio_codec_name = NULL;
+ char *subtitle_codec_name = NULL;
+
+ if (o->format) {
+ if (!(file_iformat = av_find_input_format(o->format))) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
+ exit_program(1);
+ }
+ }
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ stdin_interaction &= strncmp(filename, "pipe:", 5) &&
+ strcmp(filename, "/dev/stdin");
+
+ /* get default parameters from command line */
+ ic = avformat_alloc_context();
+ if (!ic) {
+ print_error(filename, AVERROR(ENOMEM));
+ exit_program(1);
+ }
+ if (o->nb_audio_sample_rate) {
+ snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
+ av_dict_set(&o->g->format_opts, "sample_rate", buf, 0);
+ }
+ if (o->nb_audio_channels) {
+ /* because we set audio_channels based on both the "ac" and
+ * "channel_layout" options, we need to check that the specified
+ * demuxer actually has the "channels" option before setting it */
+ if (file_iformat && file_iformat->priv_class &&
+ av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ)) {
+ snprintf(buf, sizeof(buf), "%d",
+ o->audio_channels[o->nb_audio_channels - 1].u.i);
+ av_dict_set(&o->g->format_opts, "channels", buf, 0);
+ }
+ }
+ if (o->nb_frame_rates) {
+ /* set the format-level framerate option;
+ * this is important for video grabbers, e.g. x11 */
+ if (file_iformat && file_iformat->priv_class &&
+ av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ)) {
+ av_dict_set(&o->g->format_opts, "framerate",
+ o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+ }
+ }
+ if (o->nb_frame_sizes) {
+ av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
+ }
+ if (o->nb_frame_pix_fmts)
+ av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
+
+ MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
+ MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
+ MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
+
+ ic->video_codec_id = video_codec_name ?
+ find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
+ ic->audio_codec_id = audio_codec_name ?
+ find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
+ ic->subtitle_codec_id= subtitle_codec_name ?
+ find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
+
+ if (video_codec_name)
+ av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
+ if (audio_codec_name)
+ av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
+ if (subtitle_codec_name)
+ av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
+
+ ic->flags |= AVFMT_FLAG_NONBLOCK;
+ ic->interrupt_callback = int_cb;
+
+ /* open the input file with generic avformat function */
+ err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ assert_avoptions(o->g->format_opts);
+
+ /* apply forced codec ids */
+ for (i = 0; i < ic->nb_streams; i++)
+ choose_decoder(o, ic, ic->streams[i]);
+
+ /* Set AVCodecContext options for avformat_find_stream_info */
+ opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
+ orig_nb_streams = ic->nb_streams;
+
+ /* If not enough info to get the stream parameters, we decode the
+ first frames to get it. (used in mpeg case for example) */
+ ret = avformat_find_stream_info(ic, opts);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
+ avformat_close_input(&ic);
+ exit_program(1);
+ }
+
+ timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
+ /* add the stream start time */
+ if (ic->start_time != AV_NOPTS_VALUE)
+ timestamp += ic->start_time;
+
+ /* if seeking requested, we execute it */
+ if (o->start_time != AV_NOPTS_VALUE) {
+ ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, timestamp, 0);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
+ filename, (double)timestamp / AV_TIME_BASE);
+ }
+ }
+
+ /* update the current parameters so that they match the one of the input stream */
+ add_input_streams(o, ic);
+
+ /* dump the file content */
+ av_dump_format(ic, nb_input_files, filename, 0);
+
+ GROW_ARRAY(input_files, nb_input_files);
+ f = av_mallocz(sizeof(*f));
+ if (!f)
+ exit_program(1);
+ input_files[nb_input_files - 1] = f;
+
+ f->ctx = ic;
+ f->ist_index = nb_input_streams - ic->nb_streams;
+ f->start_time = o->start_time;
+ f->recording_time = o->recording_time;
+ f->input_ts_offset = o->input_ts_offset;
+ f->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
+ f->nb_streams = ic->nb_streams;
+ f->rate_emu = o->rate_emu;
+ f->accurate_seek = o->accurate_seek;
+
+ /* check if all codec options have been used */
+ unused_opts = strip_specifiers(o->g->codec_opts);
+ for (i = f->ist_index; i < nb_input_streams; i++) {
+ e = NULL;
+ while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(&unused_opts, e->key, NULL, 0);
+ }
+
+ e = NULL;
+ while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ const AVClass *class = avcodec_get_class();
+ const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ const AVClass *fclass = avformat_get_class();
+ const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ if (!option || foption)
+ continue;
+
+
+ if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
+ av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
+ "input file #%d (%s) is not a decoding option.\n", e->key,
+ option->help ? option->help : "", nb_input_files - 1,
+ filename);
+ exit_program(1);
+ }
+
+ av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
+ "input file #%d (%s) has not been used for any stream. The most "
+ "likely reason is either wrong type (e.g. a video option with "
+ "no video streams) or that it is a private option of some decoder "
+ "which was not actually used for any stream.\n", e->key,
+ option->help ? option->help : "", nb_input_files - 1, filename);
+ }
+ av_dict_free(&unused_opts);
+
+ for (i = 0; i < o->nb_dump_attachment; i++) {
+ int j;
+
+ for (j = 0; j < ic->nb_streams; j++) {
+ AVStream *st = ic->streams[j];
+
+ if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
+ dump_attachment(st, o->dump_attachment[i].u.str);
+ }
+ }
+
+ for (i = 0; i < orig_nb_streams; i++)
+ av_dict_free(&opts[i]);
+ av_freep(&opts);
+
+ return 0;
+}
+
+static uint8_t *get_line(AVIOContext *s)
+{
+ AVIOContext *line;
+ uint8_t *buf;
+ char c;
+
+ if (avio_open_dyn_buf(&line) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
+ exit_program(1);
+ }
+
+ while ((c = avio_r8(s)) && c != '\n')
+ avio_w8(line, c);
+ avio_w8(line, 0);
+ avio_close_dyn_buf(line, &buf);
+
+ return buf;
+}
+
+static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
+{
+ int i, ret = -1;
+ char filename[1000];
+ const char *base[3] = { getenv("AVCONV_DATADIR"),
+ getenv("HOME"),
+ AVCONV_DATADIR,
+ };
+
+ for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
+ if (!base[i])
+ continue;
+ if (codec_name) {
+ snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
+ i != 1 ? "" : "/.avconv", codec_name, preset_name);
+ ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
+ }
+ if (ret < 0) {
+ snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
+ i != 1 ? "" : "/.avconv", preset_name);
+ ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
+ }
+ }
+ return ret;
+}
+
+static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
+{
+ char *codec_name = NULL;
+
+ MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
+ if (!codec_name) {
+ ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
+ NULL, ost->st->codec->codec_type);
+ ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+ } else if (!strcmp(codec_name, "copy"))
+ ost->stream_copy = 1;
+ else {
+ ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
+ ost->st->codec->codec_id = ost->enc->id;
+ }
+}
+
+static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
+{
+ OutputStream *ost;
+ AVStream *st = avformat_new_stream(oc, NULL);
+ int idx = oc->nb_streams - 1, ret = 0;
+ char *bsf = NULL, *next, *codec_tag = NULL;
+ AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
+ double qscale = -1;
+ int i;
+
+ if (!st) {
+ av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
+ exit_program(1);
+ }
+
+ if (oc->nb_streams - 1 < o->nb_streamid_map)
+ st->id = o->streamid_map[oc->nb_streams - 1];
+
+ GROW_ARRAY(output_streams, nb_output_streams);
+ if (!(ost = av_mallocz(sizeof(*ost))))
+ exit_program(1);
+ output_streams[nb_output_streams - 1] = ost;
+
+ ost->file_index = nb_output_files - 1;
+ ost->index = idx;
+ ost->st = st;
+ st->codec->codec_type = type;
+ choose_encoder(o, oc, ost);
+ if (ost->enc) {
+ AVIOContext *s = NULL;
+ char *buf = NULL, *arg = NULL, *preset = NULL;
+
+ ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
+
+ MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
+ if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
+ do {
+ buf = get_line(s);
+ if (!buf[0] || buf[0] == '#') {
+ av_free(buf);
+ continue;
+ }
+ if (!(arg = strchr(buf, '='))) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
+ exit_program(1);
+ }
+ *arg++ = 0;
+ av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
+ av_free(buf);
+ } while (!s->eof_reached);
+ avio_close(s);
+ }
+ if (ret) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Preset %s specified for stream %d:%d, but could not be opened.\n",
+ preset, ost->file_index, ost->index);
+ exit_program(1);
+ }
+ } else {
+ ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
+ }
+
+ avcodec_get_context_defaults3(st->codec, ost->enc);
+ st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
+
+ ost->max_frames = INT64_MAX;
+ MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
+ for (i = 0; i<o->nb_max_frames; i++) {
+ char *p = o->max_frames[i].specifier;
+ if (!*p && type != AVMEDIA_TYPE_VIDEO) {
+ av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
+ break;
+ }
+ }
+
+ ost->copy_prior_start = -1;
+ MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
+
+ MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
+ while (bsf) {
+ if (next = strchr(bsf, ','))
+ *next++ = 0;
+ if (!(bsfc = av_bitstream_filter_init(bsf))) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
+ exit_program(1);
+ }
+ if (bsfc_prev)
+ bsfc_prev->next = bsfc;
+ else
+ ost->bitstream_filters = bsfc;
+
+ bsfc_prev = bsfc;
+ bsf = next;
+ }
+
+ MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
+ if (codec_tag) {
+ uint32_t tag = strtol(codec_tag, &next, 0);
+ if (*next)
+ tag = AV_RL32(codec_tag);
+ st->codec->codec_tag = tag;
+ }
+
+ MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
+ if (qscale >= 0) {
+ st->codec->flags |= CODEC_FLAG_QSCALE;
+ st->codec->global_quality = FF_QP2LAMBDA * qscale;
+ }
+
+ if (oc->oformat->flags & AVFMT_GLOBALHEADER)
+ st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+
+ av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags);
+
+ av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
+ if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
+ av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
+
+ av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
+
+ ost->source_index = source_index;
+ if (source_index >= 0) {
+ ost->sync_ist = input_streams[source_index];
+ input_streams[source_index]->discard = 0;
+ input_streams[source_index]->st->discard = AVDISCARD_NONE;
+ }
+ ost->last_mux_dts = AV_NOPTS_VALUE;
+
+ return ost;
+}
+
+static void parse_matrix_coeffs(uint16_t *dest, const char *str)
+{
+ int i;
+ const char *p = str;
+ for (i = 0;; i++) {
+ dest[i] = atoi(p);
+ if (i == 63)
+ break;
+ p = strchr(p, ',');
+ if (!p) {
+ av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
+ exit_program(1);
+ }
+ p++;
+ }
+}
+
+/* read file contents into a string */
+static uint8_t *read_file(const char *filename)
+{
+ AVIOContext *pb = NULL;
+ AVIOContext *dyn_buf = NULL;
+ int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
+ uint8_t buf[1024], *str;
+
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
+ return NULL;
+ }
+
+ ret = avio_open_dyn_buf(&dyn_buf);
+ if (ret < 0) {
+ avio_closep(&pb);
+ return NULL;
+ }
+ while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
+ avio_write(dyn_buf, buf, ret);
+ avio_w8(dyn_buf, 0);
+ avio_closep(&pb);
+
+ ret = avio_close_dyn_buf(dyn_buf, &str);
+ if (ret < 0)
+ return NULL;
+ return str;
+}
+
+static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
+ OutputStream *ost)
+{
+ AVStream *st = ost->st;
+
+ if (ost->filters_script && ost->filters) {
+ av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
+ "output stream #%d:%d.\n", nb_output_files, st->index);
+ exit_program(1);
+ }
+
+ if (ost->filters_script)
+ return read_file(ost->filters_script);
+ else if (ost->filters)
+ return av_strdup(ost->filters);
+
+ return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ?
+ "null" : "anull");
+}
+
+static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
+ const OutputStream *ost, enum AVMediaType type)
+{
+ if (ost->filters_script || ost->filters) {
+ av_log(NULL, AV_LOG_ERROR,
+ "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
+ "Filtering and streamcopy cannot be used together.\n",
+ ost->filters ? "Filtergraph" : "Filtergraph script",
+ ost->filters ? ost->filters : ost->filters_script,
+ av_get_media_type_string(type), ost->file_index, ost->index);
+ exit_program(1);
+ }
+}
+
+static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *video_enc;
+ char *frame_rate = NULL, *frame_aspect_ratio = NULL;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
+ st = ost->st;
+ video_enc = st->codec;
+
+ MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
+ if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
+ if (frame_aspect_ratio) {
+ AVRational q;
+ if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
+ q.num <= 0 || q.den <= 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
+ exit_program(1);
+ }
+ ost->frame_aspect_ratio = q;
+ }
+
+ MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
+ MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
+
+ if (!ost->stream_copy) {
+ const char *p = NULL;
+ char *frame_size = NULL;
+ char *frame_pix_fmt = NULL;
+ char *intra_matrix = NULL, *inter_matrix = NULL;
+ char *chroma_intra_matrix = NULL;
+ int do_pass = 0;
+ int i;
+
+ MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
+ if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
+ exit_program(1);
+ }
+
+ video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
+ MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
+ if (frame_pix_fmt && *frame_pix_fmt == '+') {
+ ost->keep_pix_fmt = 1;
+ if (!*++frame_pix_fmt)
+ frame_pix_fmt = NULL;
+ }
+ if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
+ exit_program(1);
+ }
+ st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
+
+ if (intra_only)
+ video_enc->gop_size = 0;
+ MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
+ if (intra_matrix) {
+ if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
+ exit_program(1);
+ }
+ parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
+ }
+ MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
+ if (chroma_intra_matrix) {
+ uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
+ if (!p) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
+ exit_program(1);
+ }
+ av_codec_set_chroma_intra_matrix(video_enc, p);
+ parse_matrix_coeffs(p, chroma_intra_matrix);
+ }
+ MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
+ if (inter_matrix) {
+ if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
+ exit_program(1);
+ }
+ parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
+ }
+
+ MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
+ for (i = 0; p; i++) {
+ int start, end, q;
+ int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
+ if (e != 3) {
+ av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
+ exit_program(1);
+ }
+ /* FIXME realloc failure */
+ video_enc->rc_override =
+ av_realloc(video_enc->rc_override,
+ sizeof(RcOverride) * (i + 1));
+ video_enc->rc_override[i].start_frame = start;
+ video_enc->rc_override[i].end_frame = end;
+ if (q > 0) {
+ video_enc->rc_override[i].qscale = q;
+ video_enc->rc_override[i].quality_factor = 1.0;
+ }
+ else {
+ video_enc->rc_override[i].qscale = 0;
+ video_enc->rc_override[i].quality_factor = -q/100.0;
+ }
+ p = strchr(p, '/');
+ if (p) p++;
+ }
+ video_enc->rc_override_count = i;
+ video_enc->intra_dc_precision = intra_dc_precision - 8;
+
+ if (do_psnr)
+ video_enc->flags|= CODEC_FLAG_PSNR;
+
+ /* two pass mode */
+ MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
+ if (do_pass) {
+ if (do_pass & 1) {
+ video_enc->flags |= CODEC_FLAG_PASS1;
+ av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
+ }
+ if (do_pass & 2) {
+ video_enc->flags |= CODEC_FLAG_PASS2;
+ av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
+ }
+ }
+
+ MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
+ if (ost->logfile_prefix &&
+ !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
+ exit_program(1);
+
+ MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
+ if (ost->forced_keyframes)
+ ost->forced_keyframes = av_strdup(ost->forced_keyframes);
+
+ MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
+
+ ost->top_field_first = -1;
+ MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
+
+
+ ost->avfilter = get_ost_filters(o, oc, ost);
+ if (!ost->avfilter)
+ exit_program(1);
+ } else {
+ MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
+ }
+
+ if (ost->stream_copy)
+ check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
+
+ return ost;
+}
+
+static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ int n;
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *audio_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
+ st = ost->st;
+
+ audio_enc = st->codec;
+ audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
+
+ MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
+ MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
+
+ if (!ost->stream_copy) {
+ char *sample_fmt = NULL;
+
+ MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
+
+ MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
+ if (sample_fmt &&
+ (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
+
+ MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
+ ost->apad = av_strdup(ost->apad);
+
+ ost->avfilter = get_ost_filters(o, oc, ost);
+ if (!ost->avfilter)
+ exit_program(1);
+
+ /* check for channel mapping for this audio stream */
+ for (n = 0; n < o->nb_audio_channel_maps; n++) {
+ AudioChannelMap *map = &o->audio_channel_maps[n];
+ if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
+ (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
+ InputStream *ist;
+
+ if (map->channel_idx == -1) {
+ ist = NULL;
+ } else if (ost->source_index < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
+ ost->file_index, ost->st->index);
+ continue;
+ } else {
+ ist = input_streams[ost->source_index];
+ }
+
+ if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
+ if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
+ ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
+ else
+ av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
+ ost->file_index, ost->st->index);
+ }
+ }
+ }
+ }
+
+ if (ost->stream_copy)
+ check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
+
+ return ost;
+}
+
+static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ OutputStream *ost;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
+ if (!ost->stream_copy) {
+ av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
+ exit_program(1);
+ }
+
+ return ost;
+}
+
+static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
+ ost->stream_copy = 1;
+ ost->finished = 1;
+ return ost;
+}
+
+static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *subtitle_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
+ st = ost->st;
+ subtitle_enc = st->codec;
+
+ subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+ MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
+
+ if (!ost->stream_copy) {
+ char *frame_size = NULL;
+
+ MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
+ if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
+ exit_program(1);
+ }
+ }
+
+ return ost;
+}
+
+/* arg format is "output-stream-index:streamid-value". */
+static int opt_streamid(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ int idx;
+ char *p;
+ char idx_str[16];
+
+ av_strlcpy(idx_str, arg, sizeof(idx_str));
+ p = strchr(idx_str, ':');
+ if (!p) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
+ arg, opt);
+ exit_program(1);
+ }
+ *p++ = '\0';
+ idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
+ o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
+ o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
+ return 0;
+}
+
+static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
+{
+ AVFormatContext *is = ifile->ctx;
+ AVFormatContext *os = ofile->ctx;
+ AVChapter **tmp;
+ int i;
+
+ tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
+ if (!tmp)
+ return AVERROR(ENOMEM);
+ os->chapters = tmp;
+
+ for (i = 0; i < is->nb_chapters; i++) {
+ AVChapter *in_ch = is->chapters[i], *out_ch;
+ int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
+ int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
+ AV_TIME_BASE_Q, in_ch->time_base);
+ int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
+ av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
+
+
+ if (in_ch->end < ts_off)
+ continue;
+ if (rt != INT64_MAX && in_ch->start > rt + ts_off)
+ break;
+
+ out_ch = av_mallocz(sizeof(AVChapter));
+ if (!out_ch)
+ return AVERROR(ENOMEM);
+
+ out_ch->id = in_ch->id;
+ out_ch->time_base = in_ch->time_base;
+ out_ch->start = FFMAX(0, in_ch->start - ts_off);
+ out_ch->end = FFMIN(rt, in_ch->end - ts_off);
+
+ if (copy_metadata)
+ av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
+
+ os->chapters[os->nb_chapters++] = out_ch;
+ }
+ return 0;
+}
+
+static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
+{
+ int i, err;
+ AVFormatContext *ic = avformat_alloc_context();
+
+ ic->interrupt_callback = int_cb;
+ err = avformat_open_input(&ic, filename, NULL, NULL);
+ if (err < 0)
+ return err;
+ /* copy stream format */
+ for(i=0;i<ic->nb_streams;i++) {
+ AVStream *st;
+ OutputStream *ost;
+ AVCodec *codec;
+ AVCodecContext *avctx;
+
+ codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
+ ost = new_output_stream(o, s, codec->type, -1);
+ st = ost->st;
+ avctx = st->codec;
+ ost->enc = codec;
+
+ // FIXME: a more elegant solution is needed
+ memcpy(st, ic->streams[i], sizeof(AVStream));
+ st->cur_dts = 0;
+ st->info = av_malloc(sizeof(*st->info));
+ memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
+ st->codec= avctx;
+ avcodec_copy_context(st->codec, ic->streams[i]->codec);
+
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
+ choose_sample_fmt(st, codec);
+ else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
+ choose_pixel_fmt(st, codec, st->codec->pix_fmt);
+ }
+
+ avformat_close_input(&ic);
+ return err;
+}
+
+static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
+ AVFormatContext *oc)
+{
+ OutputStream *ost;
+
+ switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+ ofilter->out_tmp->pad_idx)) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
+ "currently.\n");
+ exit_program(1);
+ }
+
+ ost->source_index = -1;
+ ost->filter = ofilter;
+
+ ofilter->ost = ost;
+
+ if (ost->stream_copy) {
+ av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
+ "which is fed from a complex filtergraph. Filtering and streamcopy "
+ "cannot be used together.\n", ost->file_index, ost->index);
+ exit_program(1);
+ }
+
+ if (ost->avfilter && (ost->filters || ost->filters_script)) {
+ const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
+ av_log(NULL, AV_LOG_ERROR,
+ "%s '%s' was specified through the %s option "
+ "for output stream %d:%d, which is fed from a complex filtergraph.\n"
+ "%s and -filter_complex cannot be used together for the same stream.\n",
+ ost->filters ? "Filtergraph" : "Filtergraph script",
+ ost->filters ? ost->filters : ost->filters_script,
+ opt, ost->file_index, ost->index, opt);
+ exit_program(1);
+ }
+
+ if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
+ exit_program(1);
+ }
+ avfilter_inout_free(&ofilter->out_tmp);
+}
+
+static int configure_complex_filters(void)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < nb_filtergraphs; i++)
+ if (!filtergraphs[i]->graph &&
+ (ret = configure_filtergraph(filtergraphs[i])) < 0)
+ return ret;
+ return 0;
+}
+
+static int open_output_file(OptionsContext *o, const char *filename)
+{
+ AVFormatContext *oc;
+ int i, j, err;
+ AVOutputFormat *file_oformat;
+ OutputFile *of;
+ OutputStream *ost;
+ InputStream *ist;
+ AVDictionary *unused_opts = NULL;
+ AVDictionaryEntry *e = NULL;
+
+ if (configure_complex_filters() < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
+ exit_program(1);
+ }
+
+ if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
+ o->stop_time = INT64_MAX;
+ av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
+ }
+
+ if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
+ int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
+ if (o->stop_time <= start_time) {
+ av_log(NULL, AV_LOG_WARNING, "-to value smaller than -ss; ignoring -to.\n");
+ o->stop_time = INT64_MAX;
+ } else {
+ o->recording_time = o->stop_time - start_time;
+ }
+ }
+
+ GROW_ARRAY(output_files, nb_output_files);
+ of = av_mallocz(sizeof(*of));
+ if (!of)
+ exit_program(1);
+ output_files[nb_output_files - 1] = of;
+
+ of->ost_index = nb_output_streams;
+ of->recording_time = o->recording_time;
+ of->start_time = o->start_time;
+ of->limit_filesize = o->limit_filesize;
+ of->shortest = o->shortest;
+ av_dict_copy(&of->opts, o->g->format_opts, 0);
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
+ if (!oc) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+
+ of->ctx = oc;
+ if (o->recording_time != INT64_MAX)
+ oc->duration = o->recording_time;
+
+ file_oformat= oc->oformat;
+ oc->interrupt_callback = int_cb;
+
+ /* create streams for all unlabeled output pads */
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ for (j = 0; j < fg->nb_outputs; j++) {
+ OutputFilter *ofilter = fg->outputs[j];
+
+ if (!ofilter->out_tmp || ofilter->out_tmp->name)
+ continue;
+
+ switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+ ofilter->out_tmp->pad_idx)) {
+ case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
+ case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
+ case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
+ }
+ init_output_filter(ofilter, o, oc);
+ }
+ }
+
+ /* ffserver seeking with date=... needs a date reference */
+ if (!strcmp(file_oformat->name, "ffm") &&
+ av_strstart(filename, "http:", NULL)) {
+ int err = parse_option(o, "metadata", "creation_time=now", options);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ }
+
+ if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
+ av_strstart(filename, "http:", NULL)) {
+ int j;
+ /* special case for files sent to ffserver: we get the stream
+ parameters from ffserver */
+ int err = read_ffserver_streams(o, oc, filename);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
+ ost = output_streams[j];
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if(ist->st->codec->codec_type == ost->st->codec->codec_type){
+ ost->sync_ist= ist;
+ ost->source_index= i;
+ if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
+ if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
+ ist->discard = 0;
+ ist->st->discard = AVDISCARD_NONE;
+ break;
+ }
+ }
+ if(!ost->sync_ist){
+ av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
+ exit_program(1);
+ }
+ }
+ } else if (!o->nb_stream_maps) {
+ char *subtitle_codec_name = NULL;
+ /* pick the "best" stream of each type */
+
+ /* video: highest resolution */
+ if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
+ int area = 0, idx = -1;
+ int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
+ for (i = 0; i < nb_input_streams; i++) {
+ int new_area;
+ ist = input_streams[i];
+ new_area = ist->st->codec->width * ist->st->codec->height;
+ if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
+ new_area = 1;
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ new_area > area) {
+ if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
+ continue;
+ area = new_area;
+ idx = i;
+ }
+ }
+ if (idx >= 0)
+ new_video_stream(o, oc, idx);
+ }
+
+ /* audio: most channels */
+ if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
+ int channels = 0, idx = -1;
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
+ ist->st->codec->channels > channels) {
+ channels = ist->st->codec->channels;
+ idx = i;
+ }
+ }
+ if (idx >= 0)
+ new_audio_stream(o, oc, idx);
+ }
+
+ /* subtitles: pick first */
+ MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
+ if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
+ for (i = 0; i < nb_input_streams; i++)
+ if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ new_subtitle_stream(o, oc, i);
+ break;
+ }
+ }
+ /* do something with data? */
+ } else {
+ for (i = 0; i < o->nb_stream_maps; i++) {
+ StreamMap *map = &o->stream_maps[i];
+
+ if (map->disabled)
+ continue;
+
+ if (map->linklabel) {
+ FilterGraph *fg;
+ OutputFilter *ofilter = NULL;
+ int j, k;
+
+ for (j = 0; j < nb_filtergraphs; j++) {
+ fg = filtergraphs[j];
+ for (k = 0; k < fg->nb_outputs; k++) {
+ AVFilterInOut *out = fg->outputs[k]->out_tmp;
+ if (out && !strcmp(out->name, map->linklabel)) {
+ ofilter = fg->outputs[k];
+ goto loop_end;
+ }
+ }
+ }
+loop_end:
+ if (!ofilter) {
+ av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
+ "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
+ exit_program(1);
+ }
+ init_output_filter(ofilter, o, oc);
+ } else {
+ int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
+
+ ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
+ if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
+ continue;
+ if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+ continue;
+ if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+ continue;
+ if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
+ continue;
+
+ switch (ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
+ map->file_index, map->stream_index);
+ exit_program(1);
+ }
+ }
+ }
+ }
+
+ /* handle attached files */
+ for (i = 0; i < o->nb_attachments; i++) {
+ AVIOContext *pb;
+ uint8_t *attachment;
+ const char *p;
+ int64_t len;
+
+ if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
+ o->attachments[i]);
+ exit_program(1);
+ }
+ if ((len = avio_size(pb)) <= 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
+ o->attachments[i]);
+ exit_program(1);
+ }
+ if (!(attachment = av_malloc(len))) {
+ av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
+ o->attachments[i]);
+ exit_program(1);
+ }
+ avio_read(pb, attachment, len);
+
+ ost = new_attachment_stream(o, oc, -1);
+ ost->stream_copy = 0;
+ ost->attachment_filename = o->attachments[i];
+ ost->finished = 1;
+ ost->st->codec->extradata = attachment;
+ ost->st->codec->extradata_size = len;
+
+ p = strrchr(o->attachments[i], '/');
+ av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
+ avio_close(pb);
+ }
+
+ for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
+ AVDictionaryEntry *e;
+ ost = output_streams[i];
+
+ if ((ost->stream_copy || ost->attachment_filename)
+ && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
+ && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
+ if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
+ exit_program(1);
+ }
+
+ /* check if all codec options have been used */
+ unused_opts = strip_specifiers(o->g->codec_opts);
+ for (i = of->ost_index; i < nb_output_streams; i++) {
+ e = NULL;
+ while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(&unused_opts, e->key, NULL, 0);
+ }
+
+ e = NULL;
+ while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ const AVClass *class = avcodec_get_class();
+ const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ if (!option)
+ continue;
+ if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
+ av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
+ "output file #%d (%s) is not an encoding option.\n", e->key,
+ option->help ? option->help : "", nb_output_files - 1,
+ filename);
+ exit_program(1);
+ }
+
+ // gop_timecode is injected by generic code but not always used
+ if (!strcmp(e->key, "gop_timecode"))
+ continue;
+
+ av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
+ "output file #%d (%s) has not been used for any stream. The most "
+ "likely reason is either wrong type (e.g. a video option with "
+ "no video streams) or that it is a private option of some encoder "
+ "which was not actually used for any stream.\n", e->key,
+ option->help ? option->help : "", nb_output_files - 1, filename);
+ }
+ av_dict_free(&unused_opts);
+
+ /* check filename in case of an image number is expected */
+ if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
+ if (!av_filename_number_test(oc->filename)) {
+ print_error(oc->filename, AVERROR(EINVAL));
+ exit_program(1);
+ }
+ }
+
+ if (!(oc->oformat->flags & AVFMT_NOFILE)) {
+ /* test if it already exists to avoid losing precious files */
+ assert_file_overwrite(filename);
+
+ /* open the file */
+ if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
+ &oc->interrupt_callback,
+ &of->opts)) < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
+ assert_file_overwrite(filename);
+
+ if (o->mux_preload) {
+ uint8_t buf[64];
+ snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
+ av_dict_set(&of->opts, "preload", buf, 0);
+ }
+ oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
+
+ /* copy metadata */
+ for (i = 0; i < o->nb_metadata_map; i++) {
+ char *p;
+ int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
+
+ if (in_file_index >= nb_input_files) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
+ exit_program(1);
+ }
+ copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
+ in_file_index >= 0 ?
+ input_files[in_file_index]->ctx : NULL, o);
+ }
+
+ /* copy chapters */
+ if (o->chapters_input_file >= nb_input_files) {
+ if (o->chapters_input_file == INT_MAX) {
+ /* copy chapters from the first input file that has them*/
+ o->chapters_input_file = -1;
+ for (i = 0; i < nb_input_files; i++)
+ if (input_files[i]->ctx->nb_chapters) {
+ o->chapters_input_file = i;
+ break;
+ }
+ } else {
+ av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
+ o->chapters_input_file);
+ exit_program(1);
+ }
+ }
+ if (o->chapters_input_file >= 0)
+ copy_chapters(input_files[o->chapters_input_file], of,
+ !o->metadata_chapters_manual);
+
+ /* copy global metadata by default */
+ if (!o->metadata_global_manual && nb_input_files){
+ av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
+ AV_DICT_DONT_OVERWRITE);
+ if(o->recording_time != INT64_MAX)
+ av_dict_set(&oc->metadata, "duration", NULL, 0);
+ av_dict_set(&oc->metadata, "creation_time", NULL, 0);
+ }
+ if (!o->metadata_streams_manual)
+ for (i = of->ost_index; i < nb_output_streams; i++) {
+ InputStream *ist;
+ if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
+ continue;
+ ist = input_streams[output_streams[i]->source_index];
+ av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
+ }
+
+ /* process manually set metadata */
+ for (i = 0; i < o->nb_metadata; i++) {
+ AVDictionary **m;
+ char type, *val;
+ const char *stream_spec;
+ int index = 0, j, ret = 0;
+
+ val = strchr(o->metadata[i].u.str, '=');
+ if (!val) {
+ av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
+ o->metadata[i].u.str);
+ exit_program(1);
+ }
+ *val++ = 0;
+
+ parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
+ if (type == 's') {
+ for (j = 0; j < oc->nb_streams; j++) {
+ if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
+ av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
+ } else if (ret < 0)
+ exit_program(1);
+ }
+ }
+ else {
+ switch (type) {
+ case 'g':
+ m = &oc->metadata;
+ break;
+ case 'c':
+ if (index < 0 || index >= oc->nb_chapters) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+ exit_program(1);
+ }
+ m = &oc->chapters[index]->metadata;
+ break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
+ exit_program(1);
+ }
+ av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
+ }
+ }
+
+ return 0;
+}
+
+static int opt_target(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
+ static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
+
+ if (!strncmp(arg, "pal-", 4)) {
+ norm = PAL;
+ arg += 4;
+ } else if (!strncmp(arg, "ntsc-", 5)) {
+ norm = NTSC;
+ arg += 5;
+ } else if (!strncmp(arg, "film-", 5)) {
+ norm = FILM;
+ arg += 5;
+ } else {
+ /* Try to determine PAL/NTSC by peeking in the input files */
+ if (nb_input_files) {
+ int i, j, fr;
+ for (j = 0; j < nb_input_files; j++) {
+ for (i = 0; i < input_files[j]->nb_streams; i++) {
+ AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
+ if (c->codec_type != AVMEDIA_TYPE_VIDEO)
+ continue;
+ fr = c->time_base.den * 1000 / c->time_base.num;
+ if (fr == 25000) {
+ norm = PAL;
+ break;
+ } else if ((fr == 29970) || (fr == 23976)) {
+ norm = NTSC;
+ break;
+ }
+ }
+ if (norm != UNKNOWN)
+ break;
+ }
+ }
+ if (norm != UNKNOWN)
+ av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
+ }
+
+ if (norm == UNKNOWN) {
+ av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
+ av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
+ av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
+ exit_program(1);
+ }
+
+ if (!strcmp(arg, "vcd")) {
+ opt_video_codec(o, "c:v", "mpeg1video");
+ opt_audio_codec(o, "c:a", "mp2");
+ parse_option(o, "f", "vcd", options);
+
+ parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ av_dict_set(&o->g->codec_opts, "g", norm == PAL ? "15" : "18", AV_DICT_DONT_OVERWRITE);
+
+ av_dict_set(&o->g->codec_opts, "b:v", "1150000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "maxrate", "1150000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "minrate", "1150000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "bufsize", "327680", AV_DICT_DONT_OVERWRITE); // 40*1024*8;
+
+ av_dict_set(&o->g->codec_opts, "b:a", "224000", AV_DICT_DONT_OVERWRITE);
+ parse_option(o, "ar", "44100", options);
+ parse_option(o, "ac", "2", options);
+
+ av_dict_set(&o->g->format_opts, "packetsize", "2324", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->format_opts, "muxrate", "1411200", AV_DICT_DONT_OVERWRITE); // 2352 * 75 * 8;
+
+ /* We have to offset the PTS, so that it is consistent with the SCR.
+ SCR starts at 36000, but the first two packs contain only padding
+ and the first pack from the other stream, respectively, may also have
+ been written before.
+ So the real data starts at SCR 36000+3*1200. */
+ o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
+ } else if (!strcmp(arg, "svcd")) {
+
+ opt_video_codec(o, "c:v", "mpeg2video");
+ opt_audio_codec(o, "c:a", "mp2");
+ parse_option(o, "f", "svcd", options);
+
+ parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ parse_option(o, "pix_fmt", "yuv420p", options);
+ av_dict_set(&o->g->codec_opts, "g", norm == PAL ? "15" : "18", AV_DICT_DONT_OVERWRITE);
+
+ av_dict_set(&o->g->codec_opts, "b:v", "2040000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "maxrate", "2516000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "minrate", "0", AV_DICT_DONT_OVERWRITE); // 1145000;
+ av_dict_set(&o->g->codec_opts, "bufsize", "1835008", AV_DICT_DONT_OVERWRITE); // 224*1024*8;
+ av_dict_set(&o->g->codec_opts, "scan_offset", "1", AV_DICT_DONT_OVERWRITE);
+
+ av_dict_set(&o->g->codec_opts, "b:a", "224000", AV_DICT_DONT_OVERWRITE);
+ parse_option(o, "ar", "44100", options);
+
+ av_dict_set(&o->g->format_opts, "packetsize", "2324", AV_DICT_DONT_OVERWRITE);
+
+ } else if (!strcmp(arg, "dvd")) {
+
+ opt_video_codec(o, "c:v", "mpeg2video");
+ opt_audio_codec(o, "c:a", "ac3");
+ parse_option(o, "f", "dvd", options);
+
+ parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ parse_option(o, "pix_fmt", "yuv420p", options);
+ av_dict_set(&o->g->codec_opts, "g", norm == PAL ? "15" : "18", AV_DICT_DONT_OVERWRITE);
+
+ av_dict_set(&o->g->codec_opts, "b:v", "6000000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "maxrate", "9000000", AV_DICT_DONT_OVERWRITE);
+ av_dict_set(&o->g->codec_opts, "minrate", "0", AV_DICT_DONT_OVERWRITE); // 1500000;
+ av_dict_set(&o->g->codec_opts, "bufsize", "1835008", AV_DICT_DONT_OVERWRITE); // 224*1024*8;
+
+ av_dict_set(&o->g->format_opts, "packetsize", "2048", AV_DICT_DONT_OVERWRITE); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
+ av_dict_set(&o->g->format_opts, "muxrate", "10080000", AV_DICT_DONT_OVERWRITE); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
+
+ av_dict_set(&o->g->codec_opts, "b:a", "448000", AV_DICT_DONT_OVERWRITE);
+ parse_option(o, "ar", "48000", options);
+
+ } else if (!strncmp(arg, "dv", 2)) {
+
+ parse_option(o, "f", "dv", options);
+
+ parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+ parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
+ norm == PAL ? "yuv420p" : "yuv411p", options);
+ parse_option(o, "r", frame_rates[norm], options);
+
+ parse_option(o, "ar", "48000", options);
+ parse_option(o, "ac", "2", options);
+
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
+{
+ av_free (vstats_filename);
+ vstats_filename = av_strdup (arg);
+ return 0;
+}
+
+static int opt_vstats(void *optctx, const char *opt, const char *arg)
+{
+ char filename[40];
+ time_t today2 = time(NULL);
+ struct tm *today = localtime(&today2);
+
+ snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
+ today->tm_sec);
+ return opt_vstats_file(NULL, opt, filename);
+}
+
+static int opt_video_frames(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "frames:v", arg, options);
+}
+
+static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "frames:a", arg, options);
+}
+
+static int opt_data_frames(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "frames:d", arg, options);
+}
+
+static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
+{
+ int ret;
+ AVDictionary *cbak = codec_opts;
+ AVDictionary *fbak = format_opts;
+ codec_opts = NULL;
+ format_opts = NULL;
+
+ ret = opt_default(NULL, opt, arg);
+
+ av_dict_copy(&o->g->codec_opts , codec_opts, 0);
+ av_dict_copy(&o->g->format_opts, format_opts, 0);
+ av_dict_free(&codec_opts);
+ av_dict_free(&format_opts);
+ codec_opts = cbak;
+ format_opts = fbak;
+
+ return ret;
+}
+
+static int opt_preset(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ FILE *f=NULL;
+ char filename[1000], line[1000], tmp_line[1000];
+ const char *codec_name = NULL;
+
+ tmp_line[0] = *opt;
+ tmp_line[1] = 0;
+ MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
+
+ if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
+ if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
+ av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
+ }else
+ av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
+ exit_program(1);
+ }
+
+ while (fgets(line, sizeof(line), f)) {
+ char *key = tmp_line, *value, *endptr;
+
+ if (strcspn(line, "#\n\r") == 0)
+ continue;
+ av_strlcpy(tmp_line, line, sizeof(tmp_line));
+ if (!av_strtok(key, "=", &value) ||
+ !av_strtok(value, "\r\n", &endptr)) {
+ av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
+ exit_program(1);
+ }
+ av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
+
+ if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
+ else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
+ else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
+ else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
+ else if (opt_default_new(o, key, value) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
+ filename, line, key, value);
+ exit_program(1);
+ }
+ }
+
+ fclose(f);
+
+ return 0;
+}
+
+static int opt_old2new(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char *s = av_asprintf("%s:%c", opt + 1, *opt);
+ int ret = parse_option(o, s, arg, options);
+ av_free(s);
+ return ret;
+}
+
+static int opt_bitrate(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ if(!strcmp(opt, "b")){
+ av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
+ av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
+ return 0;
+ }
+ av_dict_set(&o->g->codec_opts, opt, arg, 0);
+ return 0;
+}
+
+static int opt_qscale(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char *s;
+ int ret;
+ if(!strcmp(opt, "qscale")){
+ av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
+ return parse_option(o, "q:v", arg, options);
+ }
+ s = av_asprintf("q%s", opt + 6);
+ ret = parse_option(o, s, arg, options);
+ av_free(s);
+ return ret;
+}
+
+static int opt_profile(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ if(!strcmp(opt, "profile")){
+ av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
+ av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
+ return 0;
+ }
+ av_dict_set(&o->g->codec_opts, opt, arg, 0);
+ return 0;
+}
+
+static int opt_video_filters(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "filter:v", arg, options);
+}
+
+static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "filter:a", arg, options);
+}
+
+static int opt_vsync(void *optctx, const char *opt, const char *arg)
+{
+ if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
+ else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
+ else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
+ else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
+
+ if (video_sync_method == VSYNC_AUTO)
+ video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
+ return 0;
+}
+
+static int opt_timecode(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char *tcr = av_asprintf("timecode=%s", arg);
+ int ret = parse_option(o, "metadata:g", tcr, options);
+ if (ret >= 0)
+ ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
+ av_free(tcr);
+ return 0;
+}
+
+static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char layout_str[32];
+ char *stream_str;
+ char *ac_str;
+ int ret, channels, ac_str_size;
+ uint64_t layout;
+
+ layout = av_get_channel_layout(arg);
+ if (!layout) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
+ ret = opt_default_new(o, opt, layout_str);
+ if (ret < 0)
+ return ret;
+
+ /* set 'ac' option based on channel layout */
+ channels = av_get_channel_layout_nb_channels(layout);
+ snprintf(layout_str, sizeof(layout_str), "%d", channels);
+ stream_str = strchr(opt, ':');
+ ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
+ ac_str = av_mallocz(ac_str_size);
+ if (!ac_str)
+ return AVERROR(ENOMEM);
+ av_strlcpy(ac_str, "ac", 3);
+ if (stream_str)
+ av_strlcat(ac_str, stream_str, ac_str_size);
+ ret = parse_option(o, ac_str, layout_str, options);
+ av_free(ac_str);
+
+ return ret;
+}
+
+static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "q:a", arg, options);
+}
+
+static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
+{
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
+ if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
+ return AVERROR(ENOMEM);
+ filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
+ filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
+ if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
+ return AVERROR(ENOMEM);
+ return 0;
+}
+
+static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
+{
+ uint8_t *graph_desc = read_file(arg);
+ if (!graph_desc)
+ return AVERROR(EINVAL);
+
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
+ if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
+ return AVERROR(ENOMEM);
+ filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
+ filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
+ return 0;
+}
+
+void show_help_default(const char *opt, const char *arg)
+{
+ /* per-file options have at least one of those set */
+ const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
+ int show_advanced = 0, show_avoptions = 0;
+
+ if (opt && *opt) {
+ if (!strcmp(opt, "long"))
+ show_advanced = 1;
+ else if (!strcmp(opt, "full"))
+ show_advanced = show_avoptions = 1;
+ else
+ av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
+ }
+
+ show_usage();
+
+ printf("Getting help:\n"
+ " -h -- print basic options\n"
+ " -h long -- print more options\n"
+ " -h full -- print all options (including all format and codec specific options, very long)\n"
+ " See man %s for detailed description of the options.\n"
+ "\n", program_name);
+
+ show_help_options(options, "Print help / information / capabilities:",
+ OPT_EXIT, 0, 0);
+
+ show_help_options(options, "Global options (affect whole program "
+ "instead of just one file:",
+ 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced global options:", OPT_EXPERT,
+ per_file | OPT_EXIT, 0);
+
+ show_help_options(options, "Per-file main options:", 0,
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
+ OPT_EXIT, per_file);
+ if (show_advanced)
+ show_help_options(options, "Advanced per-file options:",
+ OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
+
+ show_help_options(options, "Video options:",
+ OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced Video options:",
+ OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
+
+ show_help_options(options, "Audio options:",
+ OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced Audio options:",
+ OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
+ show_help_options(options, "Subtitle options:",
+ OPT_SUBTITLE, 0, 0);
+ printf("\n");
+
+ if (show_avoptions) {
+ int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
+ show_help_children(avcodec_get_class(), flags);
+ show_help_children(avformat_get_class(), flags);
+#if CONFIG_SWSCALE
+ show_help_children(sws_get_class(), flags);
+#endif
+ show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
+ show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
+ }
+}
+
+void show_usage(void)
+{
+ av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
+ av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
+ av_log(NULL, AV_LOG_INFO, "\n");
+}
+
+enum OptGroup {
+ GROUP_OUTFILE,
+ GROUP_INFILE,
+};
+
+static const OptionGroupDef groups[] = {
+ [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
+ [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
+};
+
+static int open_files(OptionGroupList *l, const char *inout,
+ int (*open_file)(OptionsContext*, const char*))
+{
+ int i, ret;
+
+ for (i = 0; i < l->nb_groups; i++) {
+ OptionGroup *g = &l->groups[i];
+ OptionsContext o;
+
+ init_options(&o);
+ o.g = g;
+
+ ret = parse_optgroup(&o, g);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
+ "%s.\n", inout, g->arg);
+ return ret;
+ }
+
+ av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
+ ret = open_file(&o, g->arg);
+ uninit_options(&o);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
+ inout, g->arg);
+ return ret;
+ }
+ av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
+ }
+
+ return 0;
+}
+
+int ffmpeg_parse_options(int argc, char **argv)
+{
+ OptionParseContext octx;
+ uint8_t error[128];
+ int ret;
+
+ memset(&octx, 0, sizeof(octx));
+
+ /* split the commandline into an internal representation */
+ ret = split_commandline(&octx, argc, argv, options, groups,
+ FF_ARRAY_ELEMS(groups));
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
+ goto fail;
+ }
+
+ /* apply global options */
+ ret = parse_optgroup(NULL, &octx.global_opts);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
+ goto fail;
+ }
+
+ /* open input files */
+ ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
+ goto fail;
+ }
+
+ /* open output files */
+ ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
+ goto fail;
+ }
+
+fail:
+ uninit_parse_context(&octx);
+ if (ret < 0) {
+ av_strerror(ret, error, sizeof(error));
+ av_log(NULL, AV_LOG_FATAL, "%s\n", error);
+ }
+ return ret;
+}
+
+static int opt_progress(void *optctx, const char *opt, const char *arg)
+{
+ AVIOContext *avio = NULL;
+ int ret;
+
+ if (!strcmp(arg, "-"))
+ arg = "pipe:";
+ ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
+ arg, av_err2str(ret));
+ return ret;
+ }
+ progress_avio = avio;
+ return 0;
+}
+
+#define OFFSET(x) offsetof(OptionsContext, x)
+const OptionDef options[] = {
+ /* main options */
+#include "cmdutils_common_opts.h"
+ { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
+ "force format", "fmt" },
+ { "y", OPT_BOOL, { &file_overwrite },
+ "overwrite output files" },
+ { "n", OPT_BOOL, { &no_file_overwrite },
+ "never overwrite output files" },
+ { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
+ "codec name", "codec" },
+ { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
+ "codec name", "codec" },
+ { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(presets) },
+ "preset name", "preset" },
+ { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_map },
+ "set input stream mapping",
+ "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
+ { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
+ "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
+ { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(metadata_map) },
+ "set metadata information of outfile from infile",
+ "outfile[,metadata]:infile[,metadata]" },
+ { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
+ OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
+ "set chapters mapping", "input_file_index" },
+ { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
+ "record or transcode \"duration\" seconds of audio/video",
+ "duration" },
+ { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
+ "record or transcode stop time", "time_stop" },
+ { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
+ "set the limit file size in bytes", "limit_size" },
+ { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
+ "set the start time offset", "time_off" },
+ { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
+ OPT_INPUT, { .off = OFFSET(accurate_seek) },
+ "enable/disable accurate seeking with -ss" },
+ { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
+ "set the input ts offset", "time_off" },
+ { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
+ "set the input ts scale", "scale" },
+ { "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp },
+ "set the recording timestamp ('now' to set the current time)", "time" },
+ { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
+ "add metadata", "string=string" },
+ { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
+ OPT_OUTPUT, { .func_arg = opt_data_frames },
+ "set the number of data frames to record", "number" },
+ { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
+ "add timings for benchmarking" },
+ { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
+ "add timings for each task" },
+ { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
+ "write program-readable progress information", "url" },
+ { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
+ "enable or disable interaction on standard input" },
+ { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
+ "set max runtime in seconds", "limit" },
+ { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
+ "dump each input packet" },
+ { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
+ "when dumping packets, also dump the payload" },
+ { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
+ OPT_INPUT, { .off = OFFSET(rate_emu) },
+ "read input at native frame rate", "" },
+ { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
+ "specify target file type (\"vcd\", \"svcd\", \"dvd\","
+ " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
+ { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
+ "video sync method", "" },
+ { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
+ "audio sync method", "" },
+ { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
+ "audio drift threshold", "threshold" },
+ { "copyts", OPT_BOOL | OPT_EXPERT, { &copy_ts },
+ "copy timestamps" },
+ { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { &copy_tb },
+ "copy input stream time base when stream copying", "mode" },
+ { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
+ OPT_OUTPUT, { .off = OFFSET(shortest) },
+ "finish encoding within shortest input" },
+ { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(apad) },
+ "audio pad", "" },
+ { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
+ "timestamp discontinuity delta threshold", "threshold" },
+ { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
+ "timestamp error delta threshold", "threshold" },
+ { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
+ "exit on error", "error" },
+ { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
+ "copy initial non-keyframes" },
+ { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
+ "copy or discard frames before start time" },
+ { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
+ "set the number of frames to record", "number" },
+ { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
+ "force codec tag/fourcc", "fourcc/tag" },
+ { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
+ OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
+ "use fixed quality scale (VBR)", "q" },
+ { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_qscale },
+ "use fixed quality scale (VBR)", "q" },
+ { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
+ "set profile", "profile" },
+ { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
+ "set stream filtergraph", "filter_graph" },
+ { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
+ "read stream filtergraph description from a file", "filename" },
+ { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
+ "reinit filtergraph on input parameter changes", "" },
+ { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
+ "create a complex filtergraph", "graph_description" },
+ { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
+ "create a complex filtergraph", "graph_description" },
+ { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
+ "read complex filtergraph description from a file", "filename" },
+ { "stats", OPT_BOOL, { &print_stats },
+ "print progress report during encoding", },
+ { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
+ OPT_OUTPUT, { .func_arg = opt_attach },
+ "add an attachment to the output file", "filename" },
+ { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
+ "extract an attachment into a file", "filename" },
+ { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
+ "print timestamp debugging info" },
+ { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
+ "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
+
+ /* video options */
+ { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
+ "set the number of video frames to record", "number" },
+ { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
+ "set frame rate (Hz value, fraction or abbreviation)", "rate" },
+ { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
+ "set frame size (WxH or abbreviation)", "size" },
+ { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
+ "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
+ { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
+ "set pixel format", "format" },
+ { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
+ "set the number of bits per raw sample", "number" },
+ { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
+ "deprecated use -g 1" },
+ { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
+ "disable video" },
+ { "vdt", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &video_discard },
+ "discard threshold", "n" },
+ { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
+ "rate control override for specific intervals", "override" },
+ { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
+ OPT_OUTPUT, { .func_arg = opt_video_codec },
+ "force video codec ('copy' to copy stream)", "codec" },
+ { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
+ "Removed" },
+ { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
+ "Removed" },
+ { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
+ "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
+ { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
+ "select the pass number (1 to 3)", "n" },
+ { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
+ "select two pass log file name prefix", "prefix" },
+ { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
+ "this option is deprecated, use the yadif filter instead" },
+ { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
+ "calculate PSNR of compressed frames" },
+ { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats },
+ "dump video coding statistics to file" },
+ { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file },
+ "dump video coding statistics to file", "file" },
+ { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
+ "set video filters", "filter_graph" },
+ { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
+ "specify intra matrix coeffs", "matrix" },
+ { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
+ "specify inter matrix coeffs", "matrix" },
+ { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
+ "specify intra matrix coeffs", "matrix" },
+ { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
+ "top=1/bottom=0/auto=-1 field first", "" },
+ { "dc", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &intra_dc_precision },
+ "intra_dc_precision", "precision" },
+ { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_old2new },
+ "force video tag/fourcc", "fourcc/tag" },
+ { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
+ "show QP histogram" },
+ { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(force_fps) },
+ "force the selected framerate, disable the best supported framerate selection" },
+ { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_streamid },
+ "set the value of an outfile streamid", "streamIndex:value" },
+ { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
+ "force key frames at specified timestamps", "timestamps" },
+ { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
+ "video bitrate (please use -b:v)", "bitrate" },
+ { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
+ "use HW accelerated decoding", "hwaccel name" },
+ { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
+ "select a device for HW acceleration" "devicename" },
+
+ /* audio options */
+ { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
+ "set the number of audio frames to record", "number" },
+ { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
+ "set audio quality (codec-specific)", "quality", },
+ { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
+ "set audio sampling rate (in Hz)", "rate" },
+ { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
+ "set number of audio channels", "channels" },
+ { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
+ "disable audio" },
+ { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
+ OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
+ "force audio codec ('copy' to copy stream)", "codec" },
+ { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_old2new },
+ "force audio tag/fourcc", "fourcc/tag" },
+ { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
+ "change audio volume (256=normal)" , "volume" },
+ { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
+ OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
+ "set sample format", "format" },
+ { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
+ "set channel layout", "layout" },
+ { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
+ "set audio filters", "filter_graph" },
+ { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
+ "set the maximum number of channels to try to guess the channel layout" },
+
+ /* subtitle options */
+ { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
+ "disable subtitle" },
+ { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
+ "force subtitle codec ('copy' to copy stream)", "codec" },
+ { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
+ , "force subtitle tag/fourcc", "fourcc/tag" },
+ { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
+ "fix subtitles duration" },
+ { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
+ "set canvas size (WxH or abbreviation)", "size" },
+
+ /* grab options */
+ { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
+ "deprecated, use -channel", "channel" },
+ { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
+ "deprecated, use -standard", "standard" },
+ { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
+
+ /* muxer options */
+ { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
+ "set the maximum demux-decode delay", "seconds" },
+ { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
+ "set the initial demux-decode delay", "seconds" },
+ { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
+ "override the options from ffserver", "" },
+
+ { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
+ "A comma-separated list of bitstream filters", "bitstream_filters" },
+ { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
+ "deprecated", "audio bitstream_filters" },
+ { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
+ "deprecated", "video bitstream_filters" },
+
+ { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set the audio options to the indicated preset", "preset" },
+ { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set the video options to the indicated preset", "preset" },
+ { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set the subtitle options to the indicated preset", "preset" },
+ { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set options from indicated preset file", "filename" },
+ /* data codec support */
+ { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
+ "force data codec ('copy' to copy stream)", "codec" },
+ { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
+ "disable data" },
+
+ { NULL, },
+};
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