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ffmpeg.wasm-core
Commit 1efc0892 authored by Michael Niedermayer's avatar Michael Niedermayer
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Merge commit '65ed9e75' 

* commit '65ed9e75':
  avconv: rename 'codec' to 'enc_ctx'

Conflicts:
	ffmpeg.c
Merged-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parents 1f40536c 65ed9e75
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Showing with 91 additions and 91 deletions
ffmpeg.c
View file @ 1efc0892
......@@ -2365,7 +2365,6 @@ static int transcode_init(void)
{
int ret = 0, i, j, k;
AVFormatContext *oc;
AVCodecContext *codec;
OutputStream *ost;
InputStream *ist;
char error[1024];
......@@ -2411,6 +2410,7 @@ static int transcode_init(void)
/* for each output stream, we compute the right encoding parameters */
for (i = 0; i < nb_output_streams; i++) {
AVCodecContext *enc_ctx;
AVCodecContext *dec_ctx = NULL;
ost = output_streams[i];
oc = output_files[ost->file_index]->ctx;
......@@ -2419,22 +2419,22 @@ static int transcode_init(void)
if (ost->attachment_filename)
continue;
codec = ost->st->codec;
enc_ctx = ost->st->codec;
if (ist) {
dec_ctx = ist->st->codec;
ost->st->disposition = ist->st->disposition;
codec->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
codec->chroma_sample_location = dec_ctx->chroma_sample_location;
enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
} else {
for (j=0; j<oc->nb_streams; j++) {
AVStream *st = oc->streams[j];
if (st != ost->st && st->codec->codec_type == codec->codec_type)
if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
break;
}
if (j == oc->nb_streams)
if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
ost->st->disposition = AV_DISPOSITION_DEFAULT;
}
......@@ -2451,30 +2451,30 @@ static int transcode_init(void)
}
/* if stream_copy is selected, no need to decode or encode */
codec->codec_id = dec_ctx->codec_id;
codec->codec_type = dec_ctx->codec_type;
enc_ctx->codec_id = dec_ctx->codec_id;
enc_ctx->codec_type = dec_ctx->codec_type;
if (!codec->codec_tag) {
if (!enc_ctx->codec_tag) {
unsigned int codec_tag;
if (!oc->oformat->codec_tag ||
av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == codec->codec_id ||
av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
!av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
codec->codec_tag = dec_ctx->codec_tag;
enc_ctx->codec_tag = dec_ctx->codec_tag;
}
codec->bit_rate = dec_ctx->bit_rate;
codec->rc_max_rate = dec_ctx->rc_max_rate;
codec->rc_buffer_size = dec_ctx->rc_buffer_size;
codec->field_order = dec_ctx->field_order;
codec->extradata = av_mallocz(extra_size);
if (!codec->extradata) {
enc_ctx->bit_rate = dec_ctx->bit_rate;
enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
enc_ctx->field_order = dec_ctx->field_order;
enc_ctx->extradata = av_mallocz(extra_size);
if (!enc_ctx->extradata) {
return AVERROR(ENOMEM);
}
memcpy(codec->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
codec->extradata_size= dec_ctx->extradata_size;
codec->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
enc_ctx->extradata_size= dec_ctx->extradata_size;
enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
codec->time_base = ist->st->time_base;
enc_ctx->time_base = ist->st->time_base;
/*
* Avi is a special case here because it supports variable fps but
* having the fps and timebase differe significantly adds quite some
......@@ -2486,16 +2486,16 @@ static int transcode_init(void)
&& 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
&& av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
|| copy_tb==2){
codec->time_base.num = ist->st->r_frame_rate.den;
codec->time_base.den = 2*ist->st->r_frame_rate.num;
codec->ticks_per_frame = 2;
enc_ctx->time_base.num = ist->st->r_frame_rate.den;
enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
enc_ctx->ticks_per_frame = 2;
} else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
&& av_q2d(ist->st->time_base) < 1.0/500
|| copy_tb==0){
codec->time_base = dec_ctx->time_base;
codec->time_base.num *= dec_ctx->ticks_per_frame;
codec->time_base.den *= 2;
codec->ticks_per_frame = 2;
enc_ctx->time_base = dec_ctx->time_base;
enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
enc_ctx->time_base.den *= 2;
enc_ctx->ticks_per_frame = 2;
}
} else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
&& strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
......@@ -2506,54 +2506,54 @@ static int transcode_init(void)
&& av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
&& av_q2d(ist->st->time_base) < 1.0/500
|| copy_tb==0){
codec->time_base = dec_ctx->time_base;
codec->time_base.num *= dec_ctx->ticks_per_frame;
enc_ctx->time_base = dec_ctx->time_base;
enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
}
}
if ( codec->codec_tag == AV_RL32("tmcd")
if ( enc_ctx->codec_tag == AV_RL32("tmcd")
&& dec_ctx->time_base.num < dec_ctx->time_base.den
&& dec_ctx->time_base.num > 0
&& 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
codec->time_base = dec_ctx->time_base;
enc_ctx->time_base = dec_ctx->time_base;
}
if (ist && !ost->frame_rate.num)
ost->frame_rate = ist->framerate;
if(ost->frame_rate.num)
codec->time_base = av_inv_q(ost->frame_rate);
enc_ctx->time_base = av_inv_q(ost->frame_rate);
av_reduce(&codec->time_base.num, &codec->time_base.den,
codec->time_base.num, codec->time_base.den, INT_MAX);
av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
ost->parser = av_parser_init(codec->codec_id);
ost->parser = av_parser_init(enc_ctx->codec_id);
switch (codec->codec_type) {
switch (enc_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
if (audio_volume != 256) {
av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
exit_program(1);
}
codec->channel_layout = dec_ctx->channel_layout;
codec->sample_rate = dec_ctx->sample_rate;
codec->channels = dec_ctx->channels;
codec->frame_size = dec_ctx->frame_size;
codec->audio_service_type = dec_ctx->audio_service_type;
codec->block_align = dec_ctx->block_align;
codec->delay = dec_ctx->delay;
if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
codec->block_align= 0;
if(codec->codec_id == AV_CODEC_ID_AC3)
codec->block_align= 0;
enc_ctx->channel_layout = dec_ctx->channel_layout;
enc_ctx->sample_rate = dec_ctx->sample_rate;
enc_ctx->channels = dec_ctx->channels;
enc_ctx->frame_size = dec_ctx->frame_size;
enc_ctx->audio_service_type = dec_ctx->audio_service_type;
enc_ctx->block_align = dec_ctx->block_align;
enc_ctx->delay = dec_ctx->delay;
if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
enc_ctx->block_align= 0;
if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
enc_ctx->block_align= 0;
break;
case AVMEDIA_TYPE_VIDEO:
codec->pix_fmt = dec_ctx->pix_fmt;
codec->width = dec_ctx->width;
codec->height = dec_ctx->height;
codec->has_b_frames = dec_ctx->has_b_frames;
enc_ctx->pix_fmt = dec_ctx->pix_fmt;
enc_ctx->width = dec_ctx->width;
enc_ctx->height = dec_ctx->height;
enc_ctx->has_b_frames = dec_ctx->has_b_frames;
if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
sar =
av_mul_q(ost->frame_aspect_ratio,
(AVRational){ codec->height, codec->width });
(AVRational){ enc_ctx->height, enc_ctx->width });
av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
"with stream copy may produce invalid files\n");
}
......@@ -2561,12 +2561,12 @@ static int transcode_init(void)
sar = ist->st->sample_aspect_ratio;
else
sar = dec_ctx->sample_aspect_ratio;
ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
ost->st->avg_frame_rate = ist->st->avg_frame_rate;
break;
case AVMEDIA_TYPE_SUBTITLE:
codec->width = dec_ctx->width;
codec->height = dec_ctx->height;
enc_ctx->width = dec_ctx->width;
enc_ctx->height = dec_ctx->height;
break;
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_ATTACHMENT:
......@@ -2576,7 +2576,7 @@ static int transcode_init(void)
}
} else {
if (!ost->enc)
ost->enc = avcodec_find_encoder(codec->codec_id);
ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
if (!ost->enc) {
/* should only happen when a default codec is not present. */
snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
......@@ -2590,8 +2590,8 @@ static int transcode_init(void)
ost->encoding_needed = 1;
if (!ost->filter &&
(codec->codec_type == AVMEDIA_TYPE_VIDEO ||
codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
(enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
FilterGraph *fg;
fg = init_simple_filtergraph(ist, ost);
if (configure_filtergraph(fg)) {
......@@ -2600,7 +2600,7 @@ static int transcode_init(void)
}
}
if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
if (ost->filter && !ost->frame_rate.num)
ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
if (ist && !ost->frame_rate.num)
......@@ -2621,25 +2621,25 @@ static int transcode_init(void)
int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
ost->frame_rate = ost->enc->supported_framerates[idx];
}
if (codec->codec_id == AV_CODEC_ID_MPEG4) {
if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
ost->frame_rate.num, ost->frame_rate.den, 65535);
}
}
switch (codec->codec_type) {
switch (enc_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
codec->sample_fmt = ost->filter->filter->inputs[0]->format;
codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
codec->time_base = (AVRational){ 1, codec->sample_rate };
enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
break;
case AVMEDIA_TYPE_VIDEO:
codec->time_base = av_inv_q(ost->frame_rate);
if (ost->filter && !(codec->time_base.num && codec->time_base.den))
codec->time_base = ost->filter->filter->inputs[0]->time_base;
if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
enc_ctx->time_base = av_inv_q(ost->frame_rate);
if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
&& (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
"Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
......@@ -2647,35 +2647,35 @@ static int transcode_init(void)
for (j = 0; j < ost->forced_kf_count; j++)
ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
AV_TIME_BASE_Q,
codec->time_base);
enc_ctx->time_base);
codec->width = ost->filter->filter->inputs[0]->w;
codec->height = ost->filter->filter->inputs[0]->h;
codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
enc_ctx->width = ost->filter->filter->inputs[0]->w;
enc_ctx->height = ost->filter->filter->inputs[0]->h;
enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
ost->filter->filter->inputs[0]->sample_aspect_ratio;
if (!strncmp(ost->enc->name, "libx264", 7) &&
codec->pix_fmt == AV_PIX_FMT_NONE &&
enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
av_log(NULL, AV_LOG_WARNING,
"No pixel format specified, %s for H.264 encoding chosen.\n"
"Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
codec->pix_fmt == AV_PIX_FMT_NONE &&
enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
av_log(NULL, AV_LOG_WARNING,
"No pixel format specified, %s for MPEG-2 encoding chosen.\n"
"Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
codec->pix_fmt = ost->filter->filter->inputs[0]->format;
enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
if (!dec_ctx ||
codec->width != dec_ctx->width ||
codec->height != dec_ctx->height ||
codec->pix_fmt != dec_ctx->pix_fmt) {
codec->bits_per_raw_sample = frame_bits_per_raw_sample;
enc_ctx->width != dec_ctx->width ||
enc_ctx->height != dec_ctx->height ||
enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
}
if (ost->forced_keyframes) {
......@@ -2697,10 +2697,10 @@ static int transcode_init(void)
}
break;
case AVMEDIA_TYPE_SUBTITLE:
codec->time_base = (AVRational){1, 1000};
if (!codec->width) {
codec->width = input_streams[ost->source_index]->st->codec->width;
codec->height = input_streams[ost->source_index]->st->codec->height;
enc_ctx->time_base = (AVRational){1, 1000};
if (!enc_ctx->width) {
enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
}
break;
default:
......@@ -2708,7 +2708,7 @@ static int transcode_init(void)
break;
}
/* two pass mode */
if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
char logfilename[1024];
FILE *f;
......@@ -2719,7 +2719,7 @@ static int transcode_init(void)
if (!strcmp(ost->enc->name, "libx264")) {
av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
} else {
if (codec->flags & CODEC_FLAG_PASS2) {
if (enc_ctx->flags & CODEC_FLAG_PASS2) {
char *logbuffer;
size_t logbuffer_size;
if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
......@@ -2727,9 +2727,9 @@ static int transcode_init(void)
logfilename);
exit_program(1);
}
codec->stats_in = logbuffer;
enc_ctx->stats_in = logbuffer;
}
if (codec->flags & CODEC_FLAG_PASS1) {
if (enc_ctx->flags & CODEC_FLAG_PASS1) {
f = av_fopen_utf8(logfilename, "wb");
if (!f) {
av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
......
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