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Diffstat (limited to 'ffmpeg.c')
-rw-r--r--ffmpeg.c106
1 files changed, 52 insertions, 54 deletions
diff --git a/ffmpeg.c b/ffmpeg.c
index b458dbad0a..42c82a0b8a 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -306,6 +306,7 @@ typedef struct OutputStream {
#endif
int sws_flags;
+ AVDictionary *opts;
} OutputStream;
static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
@@ -326,6 +327,7 @@ typedef struct InputStream {
int is_start; /* is 1 at the start and after a discontinuity */
int showed_multi_packet_warning;
int is_past_recording_time;
+ AVDictionary *opts;
} InputStream;
typedef struct InputFile {
@@ -536,6 +538,8 @@ static int ffmpeg_exit(int ret)
for(i=0;i<nb_input_files;i++) {
av_close_input_file(input_files[i].ctx);
}
+ for (i = 0; i < nb_input_streams; i++)
+ av_dict_free(&input_streams[i].opts);
av_free(intra_matrix);
av_free(inter_matrix);
@@ -586,6 +590,23 @@ static void assert_avoptions(AVDictionary *m)
}
}
+static void assert_codec_experimental(AVCodecContext *c, int encoder)
+{
+ const char *codec_string = encoder ? "encoder" : "decoder";
+ AVCodec *codec;
+ if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
+ c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+ av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
+ "results.\nAdd '-strict experimental' if you want to use it.\n",
+ codec_string, c->codec->name);
+ codec = encoder ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
+ if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+ av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
+ codec_string, codec->name);
+ ffmpeg_exit(1);
+ }
+}
+
/* similar to ff_dynarray_add() and av_fast_realloc() */
static void *grow_array(void *array, int elem_size, int *size, int new_size)
{
@@ -700,6 +721,8 @@ static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCode
ost->index = idx;
ost->st = st;
ost->enc = codec;
+ if (codec)
+ ost->opts = filter_codec_opts(codec_opts, codec->id, 1);
avcodec_get_context_defaults3(st->codec, codec);
@@ -2410,12 +2433,17 @@ static int transcode(AVFormatContext **output_files,
memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
}
- if (avcodec_open(ost->st->codec, codec) < 0) {
+ if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
ost->file_index, ost->index);
ret = AVERROR(EINVAL);
goto dump_format;
}
+ assert_codec_experimental(ost->st->codec, 1);
+ assert_avoptions(ost->opts);
+ if (ost->st->codec->bit_rate && ost->st->codec->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");
extra_size += ost->st->codec->extradata_size;
}
}
@@ -2433,12 +2461,14 @@ static int transcode(AVFormatContext **output_files,
ret = AVERROR(EINVAL);
goto dump_format;
}
- if (avcodec_open(ist->st->codec, codec) < 0) {
+ if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
ist->file_index, ist->st->index);
ret = AVERROR(EINVAL);
goto dump_format;
}
+ assert_codec_experimental(ist->st->codec, 0);
+ assert_avoptions(ost->opts);
//if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
// ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
}
@@ -2859,6 +2889,7 @@ static int transcode(AVFormatContext **output_files,
audio_resample_close(ost->resample);
if (ost->reformat_ctx)
av_audio_convert_free(ost->reformat_ctx);
+ av_dict_free(&ost->opts);
av_free(ost);
}
}
@@ -2900,18 +2931,6 @@ static int opt_frame_rate(const char *opt, const char *arg)
return 0;
}
-static int opt_bitrate(const char *opt, const char *arg)
-{
- int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
-
- opt_default(opt, arg);
-
- if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
- fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
-
- return 0;
-}
-
static int opt_frame_crop(const char *opt, const char *arg)
{
fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
@@ -3239,7 +3258,7 @@ static int opt_input_ts_offset(const char *opt, const char *arg)
return 0;
}
-static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
+static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
@@ -3257,19 +3276,6 @@ static enum CodecID find_codec_or_die(const char *name, int type, int encoder, i
fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
ffmpeg_exit(1);
}
- if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
- strict > FF_COMPLIANCE_EXPERIMENTAL) {
- fprintf(stderr, "%s '%s' is experimental and might produce bad "
- "results.\nAdd '-strict experimental' if you want to use it.\n",
- codec_string, codec->name);
- codec = encoder ?
- avcodec_find_encoder(codec->id) :
- avcodec_find_decoder(codec->id);
- if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
- fprintf(stderr, "Or use the non experimental %s '%s'.\n",
- codec_string, codec->name);
- ffmpeg_exit(1);
- }
return codec->id;
}
@@ -3280,6 +3286,8 @@ static int opt_input_file(const char *opt, const char *filename)
int err, i, ret, rfps, rfps_base;
int64_t timestamp;
uint8_t buf[128];
+ AVDictionary **opts;
+ int orig_nb_streams; // number of streams before avformat_find_stream_info
if (last_asked_format) {
if (!(file_iformat = av_find_input_format(last_asked_format))) {
@@ -3321,14 +3329,11 @@ static int opt_input_file(const char *opt, const char *filename)
av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
ic->video_codec_id =
- find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
- avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
+ find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
ic->audio_codec_id =
- find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
- avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
+ find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
ic->subtitle_codec_id=
- find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
- avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
+ find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
ic->flags |= AVFMT_FLAG_NONBLOCK;
/* open the input file with generic libav function */
@@ -3368,9 +3373,13 @@ static int opt_input_file(const char *opt, const char *filename)
ic->loop_input = loop_input;
}
+ /* Set AVCodecContext options for avformat_find_stream_info */
+ opts = setup_find_stream_info_opts(ic);
+ 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 = av_find_stream_info(ic);
+ ret = avformat_find_stream_info(ic, opts);
if (ret < 0 && verbose >= 0) {
fprintf(stderr, "%s: could not find codec parameters\n", filename);
av_close_input_file(ic);
@@ -3406,6 +3415,7 @@ static int opt_input_file(const char *opt, const char *filename)
ist->st = st;
ist->file_index = nb_input_files;
ist->discard = 1;
+ ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, 0);
if (i < nb_ts_scale)
ist->ts_scale = ts_scale[i];
@@ -3415,7 +3425,6 @@ static int opt_input_file(const char *opt, const char *filename)
ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
if(!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
- set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, ist->dec);
if(audio_disable)
st->discard= AVDISCARD_ALL;
break;
@@ -3423,7 +3432,6 @@ static int opt_input_file(const char *opt, const char *filename)
ist->dec= avcodec_find_decoder_by_name(video_codec_name);
if(!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
- set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, ist->dec);
rfps = ic->streams[i]->r_frame_rate.num;
rfps_base = ic->streams[i]->r_frame_rate.den;
if (dec->lowres) {
@@ -3485,6 +3493,9 @@ static int opt_input_file(const char *opt, const char *filename)
av_freep(&ts_scale);
nb_ts_scale = 0;
+ for (i = 0; i < orig_nb_streams; i++)
+ av_dict_free(&opts[i]);
+ av_freep(&opts);
av_freep(&video_codec_name);
av_freep(&audio_codec_name);
av_freep(&subtitle_codec_name);
@@ -3546,8 +3557,7 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
if(!video_stream_copy){
if (video_codec_name) {
- codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
- avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
+ codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
codec = avcodec_find_encoder_by_name(video_codec_name);
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
@@ -3578,12 +3588,11 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
- avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
}
+ video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
if (video_stream_copy) {
st->stream_copy = 1;
- video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
video_enc->sample_aspect_ratio =
st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
} else {
@@ -3593,7 +3602,6 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
if (frame_rate.num)
ost->frame_rate = frame_rate;
video_enc->codec_id = codec_id;
- set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
video_enc->width = frame_width;
video_enc->height = frame_height;
@@ -3681,8 +3689,7 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
if(!audio_stream_copy){
if (audio_codec_name) {
- codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
- avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
+ codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
codec = avcodec_find_encoder_by_name(audio_codec_name);
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
@@ -3705,13 +3712,11 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
- avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
}
if (audio_stream_copy) {
st->stream_copy = 1;
} else {
audio_enc->codec_id = codec_id;
- set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
if (audio_qscale > QSCALE_NONE) {
audio_enc->flags |= CODEC_FLAG_QSCALE;
@@ -3756,7 +3761,6 @@ static void new_data_stream(AVFormatContext *oc, int file_idx)
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
- avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (data_stream_copy) {
st->stream_copy = 1;
@@ -3777,8 +3781,7 @@ static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
if(!subtitle_stream_copy){
if (subtitle_codec_name) {
- codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
- avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
+ codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
codec = avcodec_find_encoder_by_name(subtitle_codec_name);
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
@@ -3799,13 +3802,11 @@ static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
- avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (subtitle_stream_copy) {
st->stream_copy = 1;
} else {
subtitle_enc->codec_id = codec_id;
- set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
}
if (subtitle_language) {
@@ -4416,8 +4417,6 @@ static const OptionDef options[] = {
{ "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
/* video options */
- { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
- { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
{ "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
{ "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
@@ -4465,7 +4464,6 @@ static const OptionDef options[] = {
{ "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
/* audio options */
- { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
{ "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
{ "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
{ "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-22 09:13:22 +0000