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fftools/ffmpeg_mux_init: consolidate handling -filter for audio/video

This commit is contained in:
Anton Khirnov 2023-04-18 10:02:00 +02:00
parent 03a465be57
commit 0fe5eaf69d
1 changed files with 30 additions and 38 deletions
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68
fftools/ffmpeg_mux_init.c
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@ -420,33 +420,36 @@ static MuxStream *mux_stream_alloc(Muxer *mux, enum AVMediaType type)
return ms;
}
static char *get_ost_filters(const OptionsContext *o, AVFormatContext *oc,
OutputStream *ost)
static int ost_get_filters(const OptionsContext *o, AVFormatContext *oc,
OutputStream *ost)
{
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, ost->st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, ost->st);
if (!ost->enc) {
if (ost->filters_script || ost->filters) {
av_log(ost, AV_LOG_ERROR,
"%s '%s' was specified, but codec copy was selected. "
"Filtering and streamcopy cannot be used together.\n",
ost->filters ? "Filtergraph" : "Filtergraph script",
ost->filters ? ost->filters : ost->filters_script);
return AVERROR(ENOSYS);
}
return 0;
}
if (ost->filters_script && ost->filters) {
av_log(ost, AV_LOG_ERROR, "Both -filter and -filter_script set\n");
exit_program(1);
}
if (ost->filters_script)
return file_read(ost->filters_script);
ost->avfilter = file_read(ost->filters_script);
else if (ost->filters)
return av_strdup(ost->filters);
return av_strdup(ost->type == AVMEDIA_TYPE_VIDEO ? "null" : "anull");
}
static void check_streamcopy_filters(const OptionsContext *o, AVFormatContext *oc,
OutputStream *ost, enum AVMediaType type)
{
if (ost->filters_script || ost->filters) {
av_log(ost, AV_LOG_ERROR,
"%s '%s' was defined, but codec copy was selected.\n"
"Filtering and streamcopy cannot be used together.\n",
ost->filters ? "Filtergraph" : "Filtergraph script",
ost->filters ? ost->filters : ost->filters_script);
exit_program(1);
}
ost->avfilter = av_strdup(ost->filters);
else
ost->avfilter = av_strdup(ost->type == AVMEDIA_TYPE_VIDEO ? "null" : "anull");
return ost->avfilter ? 0 : AVERROR(ENOMEM);
}
static void parse_matrix_coeffs(void *logctx, uint16_t *dest, const char *str)
@ -504,9 +507,6 @@ static void new_stream_video(Muxer *mux, const OptionsContext *o,
ost->frame_aspect_ratio = q;
}
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
if (ost->enc_ctx) {
AVCodecContext *video_enc = ost->enc_ctx;
const char *p = NULL, *fps_mode = NULL;
@ -692,12 +692,7 @@ static void new_stream_video(Muxer *mux, const OptionsContext *o,
}
}
ost->is_cfr = (ost->vsync_method == VSYNC_CFR || ost->vsync_method == VSYNC_VSCFR);
ost->avfilter = get_ost_filters(o, oc, ost);
if (!ost->avfilter)
exit_program(1);
} else
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
}
}
static void new_stream_audio(Muxer *mux, const OptionsContext *o,
@ -708,10 +703,6 @@ static void new_stream_audio(Muxer *mux, const OptionsContext *o,
st = ost->st;
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
if (ost->enc_ctx) {
AVCodecContext *audio_enc = ost->enc_ctx;
int channels = 0;
@ -757,10 +748,6 @@ static void new_stream_audio(Muxer *mux, const OptionsContext *o,
MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
ost->apad = av_strdup(ost->apad);
ost->avfilter = get_ost_filters(o, oc, ost);
if (!ost->avfilter)
exit_program(1);
#if FFMPEG_OPT_MAP_CHANNEL
/* check for channel mapping for this audio stream */
for (int n = 0; n < o->nb_audio_channel_maps; n++) {
@ -791,8 +778,7 @@ static void new_stream_audio(Muxer *mux, const OptionsContext *o,
}
}
#endif
} else
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
}
}
static void new_stream_data(Muxer *mux, const OptionsContext *o,
@ -1223,6 +1209,12 @@ static OutputStream *ost_add(Muxer *mux, const OptionsContext *o,
default: new_stream_unknown (mux, o, ost); break;
}
if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO) {
ret = ost_get_filters(o, oc, ost);
if (ret < 0)
exit_program(1);
}
if (ost->ist) {
if (ost->enc &&
(type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO)) {