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authorAnton Khirnov <anton@khirnov.net>2012-08-01 18:23:12 +0200
committerAnton Khirnov <anton@khirnov.net>2012-08-08 11:10:06 +0200
commitf5e668273a0c3ee439b3df41c7555fd3b77f6035 (patch)
tree13af23cc975188677663dbbd6510170873c2b7e9 /avconv_opt.c
parent8f2aa89a5d4e0bc530af7dc7b4d9e9b2d61f7feb (diff)
downloadffmpeg-f5e668273a0c3ee439b3df41c7555fd3b77f6035.tar.gz
avconv: split option parsing into a separate file.
Diffstat (limited to 'avconv_opt.c')
-rw-r--r--avconv_opt.c1915
1 files changed, 1915 insertions, 0 deletions
diff --git a/avconv_opt.c b/avconv_opt.c
new file mode 100644
index 0000000000..7b86d7613c
--- /dev/null
+++ b/avconv_opt.c
@@ -0,0 +1,1915 @@
+/*
+ * avconv option parsing
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "avconv.h"
+#include "cmdutils.h"
+
+#include "libavformat/avformat.h"
+
+#include "libavcodec/avcodec.h"
+
+#include "libavfilter/avfilter.h"
+#include "libavfilter/avfiltergraph.h"
+
+#include "libavutil/audioconvert.h"
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/avutil.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);\
+ }\
+}
+
+char *pass_logfilename_prefix = NULL;
+char *vstats_filename;
+
+float audio_drift_threshold = 0.1;
+float dts_delta_threshold = 10;
+
+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_hex_dump = 0;
+int do_pkt_dump = 0;
+int copy_ts = 0;
+int copy_tb = 1;
+int opt_shortest = 0;
+int exit_on_error = 0;
+int print_stats = 1;
+int qp_hist = 0;
+int same_quant = 0;
+
+static int file_overwrite = 0;
+static int video_discard = 0;
+static int intra_dc_precision = 8;
+static int do_pass = 0;
+static int using_stdin = 0;
+static int input_sync;
+
+void reset_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->meta_data_maps);
+ av_freep(&o->streamid_map);
+
+ memset(o, 0, sizeof(*o));
+
+ o->mux_max_delay = 0.7;
+ o->recording_time = INT64_MAX;
+ o->limit_filesize = UINT64_MAX;
+ o->chapters_input_file = INT_MAX;
+
+ uninit_opts();
+ init_opts();
+}
+
+
+static double parse_frame_aspect_ratio(const char *arg)
+{
+ int x = 0, y = 0;
+ double ar = 0;
+ const char *p;
+ char *end;
+
+ p = strchr(arg, ':');
+ if (p) {
+ x = strtol(arg, &end, 10);
+ if (end == p)
+ y = strtol(end + 1, &end, 10);
+ if (x > 0 && y > 0)
+ ar = (double)x / (double)y;
+ } else
+ ar = strtod(arg, NULL);
+
+ if (!ar) {
+ av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
+ exit_program(1);
+ }
+ return ar;
+}
+
+static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:a", arg, options);
+}
+
+static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:v", arg, options);
+}
+
+static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:s", arg, options);
+}
+
+static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:d", arg, options);
+}
+
+static int opt_map(OptionsContext *o, const char *opt, const char *arg)
+{
+ StreamMap *m = NULL;
+ int i, negative = 0, file_idx;
+ int sync_file_idx = -1, sync_stream_idx;
+ 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;
+ o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
+ &o->nb_stream_maps, o->nb_stream_maps + 1);
+ 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;
+ o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
+ &o->nb_stream_maps, o->nb_stream_maps + 1);
+ 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(OptionsContext *o, const char *opt, const char *arg)
+{
+ o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
+ &o->nb_attachments, o->nb_attachments + 1);
+ o->attachments[o->nb_attachments - 1] = arg;
+ return 0;
+}
+
+/**
+ * Parse a metadata specifier in arg.
+ * @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;
+ 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 (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;
+
+#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;\
+ 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 AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
+{
+ 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) {
+ 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;
+
+ if (!ist)
+ exit_program(1);
+
+ input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
+ input_streams[nb_input_streams - 1] = ist;
+
+ ist->st = st;
+ ist->file_index = nb_input_files;
+ ist->discard = 1;
+ st->discard = AVDISCARD_ALL;
+ ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, NULL);
+
+ ist->ts_scale = 1.0;
+ MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
+
+ ist->dec = choose_decoder(o, ic, st);
+
+ switch (dec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ 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);
+ }
+
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ 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:
+ case AVMEDIA_TYPE_ATTACHMENT:
+ case AVMEDIA_TYPE_UNKNOWN:
+ break;
+ default:
+ abort();
+ }
+ }
+}
+
+static void assert_file_overwrite(const char *filename)
+{
+ if (!file_overwrite &&
+ (strchr(filename, ':') == NULL || filename[1] == ':' ||
+ av_strstart(filename, "file:", NULL))) {
+ if (avio_check(filename, 0) == 0) {
+ if (!using_stdin) {
+ fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
+ fflush(stderr);
+ if (!read_yesno()) {
+ fprintf(stderr, "Not overwriting - exiting\n");
+ exit_program(1);
+ }
+ }
+ else {
+ fprintf(stderr,"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 opt_input_file(OptionsContext *o, const char *opt, const char *filename)
+{
+ AVFormatContext *ic;
+ AVInputFormat *file_iformat = NULL;
+ int err, i, ret;
+ int64_t timestamp;
+ uint8_t buf[128];
+ AVDictionary **opts;
+ int orig_nb_streams; // number of streams before avformat_find_stream_info
+
+ 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:";
+
+ using_stdin |= !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(&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(&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(&format_opts, "framerate",
+ o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+ }
+ }
+ if (o->nb_frame_sizes) {
+ av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
+ }
+ if (o->nb_frame_pix_fmts)
+ av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
+
+ ic->flags |= AVFMT_FLAG_NONBLOCK;
+ ic->interrupt_callback = int_cb;
+
+ /* open the input file with generic libav function */
+ err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ assert_avoptions(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, 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;
+ /* 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 != 0) {
+ ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
+ 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);
+
+ input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
+ if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
+ exit_program(1);
+
+ input_files[nb_input_files - 1]->ctx = ic;
+ input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
+ input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
+ input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
+ input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
+
+ 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);
+
+ reset_options(o);
+ 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; 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) {
+ 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)
+{
+ 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;
+ char *buf = NULL, *arg = NULL, *preset = NULL;
+ AVIOContext *s = NULL;
+
+ 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];
+
+ output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
+ nb_output_streams + 1);
+ if (!(ost = av_mallocz(sizeof(*ost))))
+ exit_program(1);
+ output_streams[nb_output_streams - 1] = ost;
+
+ ost->file_index = nb_output_files;
+ ost->index = idx;
+ ost->st = st;
+ st->codec->codec_type = type;
+ choose_encoder(o, oc, ost);
+ if (ost->enc) {
+ ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
+ }
+
+ 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
+
+ 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->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);
+ }
+
+ ost->max_frames = INT64_MAX;
+ MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, 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 || same_quant) {
+ 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(sws_opts, "sws_flags", 0, &ost->sws_flags);
+
+ ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE;
+
+ 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++;
+ }
+}
+
+static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *video_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
+ st = ost->st;
+ video_enc = st->codec;
+
+ if (!ost->stream_copy) {
+ const char *p = NULL;
+ char *frame_rate = NULL, *frame_size = NULL;
+ char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
+ char *intra_matrix = NULL, *inter_matrix = NULL;
+ const char *filters = "null";
+ int i;
+
+ 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_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);
+ }
+
+ MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
+ if (frame_aspect_ratio)
+ ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
+
+ MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
+ if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == 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;
+
+ 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(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);
+ }
+ 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;
+ if (!video_enc->rc_initial_buffer_occupancy)
+ video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
+ video_enc->intra_dc_precision = intra_dc_precision - 8;
+
+ /* two pass mode */
+ if (do_pass) {
+ if (do_pass == 1) {
+ video_enc->flags |= CODEC_FLAG_PASS1;
+ } else {
+ video_enc->flags |= CODEC_FLAG_PASS2;
+ }
+ }
+
+ 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);
+
+ MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+ ost->avfilter = av_strdup(filters);
+ } else {
+ MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
+ }
+
+ return ost;
+}
+
+static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *audio_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
+ st = ost->st;
+
+ audio_enc = st->codec;
+ audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
+
+ if (!ost->stream_copy) {
+ char *sample_fmt = NULL;
+ const char *filters = "anull";
+
+ 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(filters, str, filters, oc, st);
+ ost->avfilter = av_strdup(filters);
+ }
+
+ return ost;
+}
+
+static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ OutputStream *ost;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
+ 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)
+{
+ OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
+ ost->stream_copy = 1;
+ return ost;
+}
+
+static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *subtitle_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
+ st = ost->st;
+ subtitle_enc = st->codec;
+
+ subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+ return ost;
+}
+
+/* arg format is "output-stream-index:streamid-value". */
+static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
+{
+ 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, INT_MAX);
+ 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;
+ int i;
+
+ for (i = 0; i < is->nb_chapters; i++) {
+ AVChapter *in_ch = is->chapters[i], *out_ch;
+ int64_t ts_off = av_rescale_q(ofile->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->nb_chapters++;
+ os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
+ if (!os->chapters)
+ return AVERROR(ENOMEM);
+ os->chapters[os->nb_chapters - 1] = out_ch;
+ }
+ return 0;
+}
+
+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); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); 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 (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;
+}
+
+void opt_output_file(void *optctx, const char *filename)
+{
+ OptionsContext *o = optctx;
+ AVFormatContext *oc;
+ int i, j, err;
+ AVOutputFormat *file_oformat;
+ OutputStream *ost;
+ InputStream *ist;
+
+ if (configure_complex_filters() < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
+ exit_program(1);
+ }
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ oc = avformat_alloc_context();
+ if (!oc) {
+ print_error(filename, AVERROR(ENOMEM));
+ exit_program(1);
+ }
+
+ if (o->format) {
+ file_oformat = av_guess_format(o->format, NULL, NULL);
+ if (!file_oformat) {
+ av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
+ exit_program(1);
+ }
+ } else {
+ file_oformat = av_guess_format(NULL, filename, NULL);
+ if (!file_oformat) {
+ av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
+ filename);
+ exit_program(1);
+ }
+ }
+
+ oc->oformat = file_oformat;
+ oc->interrupt_callback = int_cb;
+ av_strlcpy(oc->filename, filename, sizeof(oc->filename));
+
+ /* 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);
+ }
+ }
+
+ if (!o->nb_stream_maps) {
+ /* pick the "best" stream of each type */
+#define NEW_STREAM(type, index)\
+ if (index >= 0) {\
+ ost = new_ ## type ## _stream(o, oc);\
+ ost->source_index = index;\
+ ost->sync_ist = input_streams[index];\
+ input_streams[index]->discard = 0;\
+ input_streams[index]->st->discard = AVDISCARD_NONE;\
+ }
+
+ /* video: highest resolution */
+ if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
+ int area = 0, idx = -1;
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ ist->st->codec->width * ist->st->codec->height > area) {
+ area = ist->st->codec->width * ist->st->codec->height;
+ idx = i;
+ }
+ }
+ NEW_STREAM(video, 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;
+ }
+ }
+ NEW_STREAM(audio, idx);
+ }
+
+ /* subtitles: pick first */
+ if (!o->subtitle_disable && oc->oformat->subtitle_codec != AV_CODEC_ID_NONE) {
+ for (i = 0; i < nb_input_streams; i++)
+ if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ NEW_STREAM(subtitle, 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.\n", map->linklabel);
+ exit_program(1);
+ }
+ init_output_filter(ofilter, o, oc);
+ } else {
+ ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
+ switch (ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
+ case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
+ case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
+ case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); 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);
+ }
+
+ ost->source_index = input_files[map->file_index]->ist_index + map->stream_index;
+ ost->sync_ist = input_streams[input_files[map->sync_file_index]->ist_index +
+ map->sync_stream_index];
+ ist->discard = 0;
+ ist->st->discard = AVDISCARD_NONE;
+ }
+ }
+ }
+
+ /* 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);
+ ost->stream_copy = 0;
+ ost->source_index = -1;
+ ost->attachment_filename = o->attachments[i];
+ 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);
+ }
+
+ output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
+ if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
+ exit_program(1);
+
+ output_files[nb_output_files - 1]->ctx = oc;
+ output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
+ output_files[nb_output_files - 1]->recording_time = o->recording_time;
+ if (o->recording_time != INT64_MAX)
+ oc->duration = o->recording_time;
+ output_files[nb_output_files - 1]->start_time = o->start_time;
+ output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
+ av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
+
+ /* 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,
+ &output_files[nb_output_files - 1]->opts)) < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ }
+
+ if (o->mux_preload) {
+ uint8_t buf[64];
+ snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
+ av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
+ }
+ oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
+ oc->flags |= AVFMT_FLAG_NONBLOCK;
+
+ /* 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 < 0)
+ continue;
+ 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, input_files[in_file_index]->ctx, 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], output_files[nb_output_files - 1],
+ !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->metadata_streams_manual)
+ for (i = output_files[nb_output_files - 1]->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;
+
+ 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);
+ }
+ }
+
+ reset_options(o);
+}
+
+/* same option as mencoder */
+static int opt_pass(const char *opt, const char *arg)
+{
+ do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
+ return 0;
+}
+
+
+static int opt_target(OptionsContext *o, const char *opt, const char *arg)
+{
+ 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);
+ opt_default("g", norm == PAL ? "15" : "18");
+
+ opt_default("b", "1150000");
+ opt_default("maxrate", "1150000");
+ opt_default("minrate", "1150000");
+ opt_default("bufsize", "327680"); // 40*1024*8;
+
+ opt_default("b:a", "224000");
+ parse_option(o, "ar", "44100", options);
+ parse_option(o, "ac", "2", options);
+
+ opt_default("packetsize", "2324");
+ opt_default("muxrate", "1411200"); // 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);
+ opt_default("g", norm == PAL ? "15" : "18");
+
+ opt_default("b", "2040000");
+ opt_default("maxrate", "2516000");
+ opt_default("minrate", "0"); // 1145000;
+ opt_default("bufsize", "1835008"); // 224*1024*8;
+ opt_default("flags", "+scan_offset");
+
+
+ opt_default("b:a", "224000");
+ parse_option(o, "ar", "44100", options);
+
+ opt_default("packetsize", "2324");
+
+ } 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);
+ opt_default("g", norm == PAL ? "15" : "18");
+
+ opt_default("b", "6000000");
+ opt_default("maxrate", "9000000");
+ opt_default("minrate", "0"); // 1500000;
+ opt_default("bufsize", "1835008"); // 224*1024*8;
+
+ opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
+ opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
+
+ opt_default("b:a", "448000");
+ 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(const char *opt, const char *arg)
+{
+ av_free (vstats_filename);
+ vstats_filename = av_strdup (arg);
+ return 0;
+}
+
+static int opt_vstats(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(opt, filename);
+}
+
+static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "frames:v", arg, options);
+}
+
+static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "frames:a", arg, options);
+}
+
+static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "frames:d", arg, options);
+}
+
+static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "tag:v", arg, options);
+}
+
+static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "tag:a", arg, options);
+}
+
+static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "tag:s", arg, options);
+}
+
+static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "filter:v", arg, options);
+}
+
+static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "filter:a", arg, options);
+}
+
+static int opt_vsync(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;
+
+ 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_deinterlace(const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
+ do_deinterlace = 1;
+ return 0;
+}
+
+int opt_cpuflags(const char *opt, const char *arg)
+{
+ int flags = av_parse_cpu_flags(arg);
+
+ if (flags < 0)
+ return flags;
+
+ av_set_cpu_flags_mask(flags);
+ return 0;
+}
+
+static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
+{
+ 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(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(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "q:a", arg, options);
+}
+
+static int opt_filter_complex(const char *opt, const char *arg)
+{
+ filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
+ &nb_filtergraphs, nb_filtergraphs + 1);
+ 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 = arg;
+ return 0;
+}
+
+static void show_help(void)
+{
+ int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
+ av_log_set_callback(log_callback_help);
+ show_usage();
+ show_help_options(options, "Main options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
+ show_help_options(options, "\nAdvanced options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
+ OPT_EXPERT);
+ show_help_options(options, "\nVideo options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_VIDEO);
+ show_help_options(options, "\nAdvanced Video options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_VIDEO | OPT_EXPERT);
+ show_help_options(options, "\nAudio options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_AUDIO);
+ show_help_options(options, "\nAdvanced Audio options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_AUDIO | OPT_EXPERT);
+ show_help_options(options, "\nSubtitle options:\n",
+ OPT_SUBTITLE | OPT_GRAB,
+ OPT_SUBTITLE);
+ show_help_options(options, "\nAudio/Video grab options:\n",
+ OPT_GRAB,
+ OPT_GRAB);
+ printf("\n");
+ show_help_children(avcodec_get_class(), flags);
+ show_help_children(avformat_get_class(), flags);
+ show_help_children(sws_get_class(), flags);
+}
+
+void show_usage(void)
+{
+ printf("Hyper fast Audio and Video encoder\n");
+ printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
+ printf("\n");
+}
+
+
+#define OFFSET(x) offsetof(OptionsContext, x)
+const OptionDef options[] = {
+ /* main options */
+#include "cmdutils_common_opts.h"
+ { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
+ { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
+ { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
+ { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
+ { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
+ { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
+ { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
+ { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
+ "outfile[,metadata]:infile[,metadata]" },
+ { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
+ { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
+ { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
+ { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
+ { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
+ { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
+ { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
+ { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
+ { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
+ "add timings for benchmarking" },
+ { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
+ { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
+ "dump each input packet" },
+ { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
+ "when dumping packets, also dump the payload" },
+ { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
+ { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
+ { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
+ { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
+ { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
+ { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
+ { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)&copy_tb}, "copy input stream time base when stream copying" },
+ { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
+ { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
+ { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
+ { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
+ { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
+ { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
+ { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
+ { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
+ { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
+ { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
+ { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
+ { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
+ { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
+ { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" },
+
+ /* video options */
+ { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
+ { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
+ { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
+ { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
+ { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
+ { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
+ { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
+ { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
+ { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
+ { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
+ "use same quantizer as source (implies VBR)" },
+ { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
+ { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
+ { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
+ "this option is deprecated, use the yadif filter instead" },
+ { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
+ { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
+ { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
+ { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
+ { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
+ { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
+ { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
+ { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
+ { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
+ { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
+ { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
+ { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
+
+ /* audio options */
+ { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
+ { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
+ { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
+ { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
+ { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
+ { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
+ { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
+ { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
+ { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
+ { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
+ { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
+
+ /* subtitle options */
+ { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
+ { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
+ { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
+
+ /* grab options */
+ { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
+
+ /* muxer options */
+ { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
+ { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
+
+ { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
+
+ /* data codec support */
+ { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
+
+ { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
+ { NULL, },
+};