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-rw-r--r--ffmpeg.c85
-rw-r--r--ffmpeg.h1
-rw-r--r--ffmpeg_filter.c8
-rw-r--r--ffmpeg_opt.c25
4 files changed, 66 insertions, 53 deletions
diff --git a/ffmpeg.c b/ffmpeg.c
index caa6cff14b..630bfbcddc 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -483,6 +483,8 @@ static void ffmpeg_cleanup(int ret)
av_freep(&ost->avfilter);
av_freep(&ost->logfile_prefix);
+ avcodec_free_context(&ost->enc_ctx);
+
av_freep(&output_streams[i]);
}
#if HAVE_PTHREADS
@@ -573,7 +575,7 @@ static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream,
static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
{
AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
- AVCodecContext *avctx = ost->st->codec;
+ AVCodecContext *avctx = ost->enc_ctx;
int ret;
if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
@@ -698,7 +700,7 @@ static int check_recording_time(OutputStream *ost)
OutputFile *of = output_files[ost->file_index];
if (of->recording_time != INT64_MAX &&
- av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
+ av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
AV_TIME_BASE_Q) >= 0) {
close_output_stream(ost);
return 0;
@@ -709,7 +711,7 @@ static int check_recording_time(OutputStream *ost)
static void do_audio_out(AVFormatContext *s, OutputStream *ost,
AVFrame *frame)
{
- AVCodecContext *enc = ost->st->codec;
+ AVCodecContext *enc = ost->enc_ctx;
AVPacket pkt;
int got_packet = 0;
@@ -778,7 +780,7 @@ static void do_subtitle_out(AVFormatContext *s,
return;
}
- enc = ost->st->codec;
+ enc = ost->enc_ctx;
if (!subtitle_out) {
subtitle_out = av_malloc(subtitle_out_max_size);
@@ -842,7 +844,7 @@ static void do_video_out(AVFormatContext *s,
{
int ret, format_video_sync;
AVPacket pkt;
- AVCodecContext *enc = ost->st->codec;
+ AVCodecContext *enc = ost->enc_ctx;
int nb_frames, i;
double sync_ipts, delta;
double duration = 0;
@@ -959,7 +961,7 @@ static void do_video_out(AVFormatContext *s,
int got_packet, forced_keyframe = 0;
double pts_time;
- if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
+ if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
ost->top_field_first >= 0)
in_picture->top_field_first = !!ost->top_field_first;
@@ -971,7 +973,7 @@ static void do_video_out(AVFormatContext *s,
} else
enc->field_order = AV_FIELD_PROGRESSIVE;
- in_picture->quality = ost->st->codec->global_quality;
+ in_picture->quality = enc->global_quality;
if (!enc->me_threshold)
in_picture->pict_type = 0;
@@ -1092,7 +1094,7 @@ static void do_video_stats(OutputStream *ost, int frame_size)
}
}
- enc = ost->st->codec;
+ enc = ost->enc_ctx;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->st->nb_frames;
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
@@ -1130,7 +1132,7 @@ static int reap_filters(void)
OutputStream *ost = output_streams[i];
OutputFile *of = output_files[ost->file_index];
AVFilterContext *filter;
- AVCodecContext *enc = ost->st->codec;
+ AVCodecContext *enc = ost->enc_ctx;
int ret = 0;
if (!ost->filter)
@@ -1212,13 +1214,13 @@ static void print_final_stats(int64_t total_size)
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
- switch (ost->st->codec->codec_type) {
+ switch (ost->enc_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
default: other_size += ost->data_size; break;
}
- extra_size += ost->st->codec->extradata_size;
+ extra_size += ost->enc_ctx->extradata_size;
data_size += ost->data_size;
}
@@ -1282,7 +1284,7 @@ static void print_final_stats(int64_t total_size)
for (j = 0; j < of->ctx->nb_streams; j++) {
OutputStream *ost = output_streams[of->ost_index + j];
- enum AVMediaType type = ost->st->codec->codec_type;
+ enum AVMediaType type = ost->enc_ctx->codec_type;
total_size += ost->data_size;
total_packets += ost->packets_written;
@@ -1352,7 +1354,7 @@ static void print_report(int is_last_report, int64_t timer_start, int64_t cur_ti
for (i = 0; i < nb_output_streams; i++) {
float q = -1;
ost = output_streams[i];
- enc = ost->st->codec;
+ enc = ost->enc_ctx;
if (!ost->stream_copy && enc->coded_frame)
q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
@@ -1482,23 +1484,23 @@ static void flush_encoders(void)
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
- AVCodecContext *enc = ost->st->codec;
+ AVCodecContext *enc = ost->enc_ctx;
AVFormatContext *os = output_files[ost->file_index]->ctx;
int stop_encoding = 0;
if (!ost->encoding_needed)
continue;
- if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
+ if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
continue;
- if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
+ if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
continue;
for (;;) {
int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
const char *desc;
- switch (ost->st->codec->codec_type) {
+ switch (enc->codec_type) {
case AVMEDIA_TYPE_AUDIO:
encode = avcodec_encode_audio2;
desc = "Audio";
@@ -1619,7 +1621,7 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
}
/* force the input stream PTS */
- if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+ if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
ost->sync_opts++;
if (pkt->pts != AV_NOPTS_VALUE)
@@ -1646,10 +1648,10 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
opkt.flags = pkt->flags;
// FIXME remove the following 2 lines they shall be replaced by the bitstream filters
- if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
- && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
- && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
- && ost->st->codec->codec_id != AV_CODEC_ID_VC1
+ if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
+ && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
+ && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
+ && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
) {
if (av_parser_change(ost->parser, ost->st->codec,
&opkt.data, &opkt.size,
@@ -1791,7 +1793,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
!(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
av_buffersink_set_frame_size(ost->filter->filter,
- ost->st->codec->frame_size);
+ ost->enc_ctx->frame_size);
}
}
}
@@ -2462,7 +2464,7 @@ static int transcode_init(void)
if (ost->attachment_filename)
continue;
- enc_ctx = ost->st->codec;
+ enc_ctx = ost->enc_ctx;
if (ist) {
dec_ctx = ist->dec_ctx;
@@ -2739,7 +2741,7 @@ static int transcode_init(void)
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
} else {
- parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
+ parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
}
}
break;
@@ -2801,17 +2803,19 @@ static int transcode_init(void)
dec = ist->dec_ctx;
if (dec && dec->subtitle_header) {
/* ASS code assumes this buffer is null terminated so add extra byte. */
- ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
- if (!ost->st->codec->subtitle_header) {
+ ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
+ if (!ost->enc_ctx->subtitle_header) {
ret = AVERROR(ENOMEM);
goto dump_format;
}
- memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
- ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
+ memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+ ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
}
if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
- if ((ret = avcodec_open2(ost->st->codec, codec, &ost->encoder_opts)) < 0) {
+ av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
+
+ if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
if (ret == AVERROR_EXPERIMENTAL)
abort_codec_experimental(codec, 1);
snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
@@ -2821,13 +2825,20 @@ static int transcode_init(void)
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
!(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
av_buffersink_set_frame_size(ost->filter->filter,
- ost->st->codec->frame_size);
+ ost->enc_ctx->frame_size);
assert_avoptions(ost->encoder_opts);
- if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
+ if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
" It takes bits/s as argument, not kbits/s\n");
} else {
- av_opt_set_dict(ost->st->codec, &ost->encoder_opts);
+ av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
+ }
+
+ ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Error initializing the output stream codec context.\n");
+ exit_program(1);
}
}
@@ -2836,7 +2847,7 @@ static int transcode_init(void)
if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
- avcodec_close(ost->st->codec);
+ avcodec_close(ost->enc_ctx);
}
goto dump_format;
}
@@ -3618,8 +3629,7 @@ static int transcode(void)
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
if (ost->encoding_needed) {
- av_freep(&ost->st->codec->stats_in);
- avcodec_close(ost->st->codec);
+ av_freep(&ost->enc_ctx->stats_in);
}
}
@@ -3645,13 +3655,10 @@ static int transcode(void)
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
if (ost) {
- if (ost->stream_copy)
- av_freep(&ost->st->codec->extradata);
if (ost->logfile) {
fclose(ost->logfile);
ost->logfile = NULL;
}
- av_freep(&ost->st->codec->subtitle_header);
av_freep(&ost->forced_kf_pts);
av_freep(&ost->apad);
av_dict_free(&ost->encoder_opts);
diff --git a/ffmpeg.h b/ffmpeg.h
index 2acb596008..b16181fe6b 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -378,6 +378,7 @@ typedef struct OutputStream {
/* dts of the last packet sent to the muxer */
int64_t last_mux_dts;
AVBitStreamFilterContext *bitstream_filters;
+ AVCodecContext *enc_ctx;
AVCodec *enc;
int64_t max_frames;
AVFrame *filtered_frame;
diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c
index 68cf4f227c..ae28034590 100644
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@ -149,8 +149,8 @@ static char *choose_pix_fmts(OutputStream *ost)
#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name) \
static char *choose_ ## var ## s(OutputStream *ost) \
{ \
- if (ost->st->codec->var != none) { \
- get_name(ost->st->codec->var); \
+ if (ost->enc_ctx->var != none) { \
+ get_name(ost->enc_ctx->var); \
return av_strdup(name); \
} else if (ost->enc && ost->enc->supported_list) { \
const type *p; \
@@ -344,7 +344,7 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
char *pix_fmts;
OutputStream *ost = ofilter->ost;
OutputFile *of = output_files[ost->file_index];
- AVCodecContext *codec = ost->st->codec;
+ AVCodecContext *codec = ost->enc_ctx;
AVFilterContext *last_filter = out->filter_ctx;
int pad_idx = out->pad_idx;
int ret;
@@ -434,7 +434,7 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
{
OutputStream *ost = ofilter->ost;
OutputFile *of = output_files[ost->file_index];
- AVCodecContext *codec = ost->st->codec;
+ AVCodecContext *codec = ost->enc_ctx;
AVFilterContext *last_filter = out->filter_ctx;
int pad_idx = out->pad_idx;
char *sample_fmts, *sample_rates, *channel_layouts;
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 68f2f635f0..3cc09ec084 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1065,6 +1065,14 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
ost->st = st;
st->codec->codec_type = type;
choose_encoder(o, oc, ost);
+
+ ost->enc_ctx = avcodec_alloc_context3(ost->enc);
+ if (!ost->enc_ctx) {
+ av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
+ exit_program(1);
+ }
+ ost->enc_ctx->codec_type = type;
+
if (ost->enc) {
AVIOContext *s = NULL;
char *buf = NULL, *arg = NULL, *preset = NULL;
@@ -1099,9 +1107,6 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
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++) {
@@ -1137,17 +1142,17 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
- st->codec->codec_tag = tag;
+ ost->enc_ctx->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;
+ ost->enc_ctx->flags |= CODEC_FLAG_QSCALE;
+ ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
}
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
- st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ ost->enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags);
@@ -1257,7 +1262,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, in
ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
st = ost->st;
- video_enc = st->codec;
+ video_enc = ost->enc_ctx;
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
@@ -1418,7 +1423,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, in
ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
st = ost->st;
- audio_enc = st->codec;
+ audio_enc = ost->enc_ctx;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
@@ -1508,7 +1513,7 @@ static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc,
ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
st = ost->st;
- subtitle_enc = st->codec;
+ subtitle_enc = ost->enc_ctx;
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
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