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fftools/ffmpeg_filter: pass sws/swr opts through OutputFilterOptions 

Do not read them from OutputStream directly.

Will allow decoupling filtering from encoding in future commits.
This commit is contained in:
Anton Khirnov 2024-04-02 13:58:59 +02:00
parent 23c23077fc
commit b8e6802023
4 changed files with 31 additions and 17 deletions
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7
fftools/ffmpeg.h
View File

@ -265,6 +265,8 @@ typedef struct InputFilterOptions {
enum OFilterFlags {
OFILTER_FLAG_DISABLE_CONVERT = (1 << 0),
// produce 24-bit audio
OFILTER_FLAG_AUDIO_24BIT = (1 << 1),
};
typedef struct OutputFilterOptions {
@ -283,6 +285,9 @@ typedef struct OutputFilterOptions {
*/
AVRational output_tb;
AVDictionary *sws_opts;
AVDictionary *swr_opts;
// A combination of OFilterFlags.
unsigned flags;
@ -574,8 +579,6 @@ typedef struct OutputStream {
OutputFilter *filter;
AVDictionary *encoder_opts;
AVDictionary *sws_dict;
AVDictionary *swr_opts;
char *apad;
char *attachment_filename;

27
fftools/ffmpeg_filter.c
View File

@ -210,6 +210,9 @@ typedef struct OutputFilterPriv {
AVRational sample_aspect_ratio;
AVDictionary *sws_opts;
AVDictionary *swr_opts;
// those are only set if no format is specified and the encoder gives us multiple options
// They point directly to the relevant lists of the encoder.
const int *formats;
@ -813,6 +816,17 @@ int ofilter_bind_ost(OutputFilter *ofilter, OutputStream *ost,
if (!ofp->name)
return AVERROR(EINVAL);
ret = av_dict_copy(&ofp->sws_opts, opts->sws_opts, 0);
if (ret < 0)
return ret;
ret = av_dict_copy(&ofp->swr_opts, opts->swr_opts, 0);
if (ret < 0)
return ret;
if (opts->flags & OFILTER_FLAG_AUDIO_24BIT)
av_dict_set(&ofp->swr_opts, "output_sample_bits", "24", 0);
if (fgp->is_simple) {
// for simple filtergraph there is just one output,
// so use only graph-level information for logging
@ -945,6 +959,8 @@ void fg_free(FilterGraph **pfg)
OutputFilterPriv *ofp = ofp_from_ofilter(ofilter);
av_frame_free(&ofp->fps.last_frame);
av_dict_free(&ofp->sws_opts);
av_dict_free(&ofp->swr_opts);
av_freep(&ofilter->linklabel);
av_freep(&ofilter->name);
@ -1358,7 +1374,7 @@ static int configure_output_video_filter(FilterGraph *fg, AVFilterGraph *graph,
snprintf(args, sizeof(args), "%d:%d",
ofp->width, ofp->height);
while ((e = av_dict_iterate(ost->sws_dict, e))) {
while ((e = av_dict_iterate(ofp->sws_opts, e))) {
av_strlcatf(args, sizeof(args), ":%s=%s", e->key, e->value);
}
@ -1725,6 +1741,7 @@ static int configure_filtergraph(FilterGraph *fg, FilterGraphThread *fgt)
return AVERROR(ENOMEM);
if (simple) {
OutputFilterPriv *ofp = ofp_from_ofilter(fg->outputs[0]);
OutputStream *ost = fg->outputs[0]->ost;
if (filter_nbthreads) {
@ -1738,17 +1755,17 @@ static int configure_filtergraph(FilterGraph *fg, FilterGraphThread *fgt)
av_opt_set(fgt->graph, "threads", e->value, 0);
}
if (av_dict_count(ost->sws_dict)) {
ret = av_dict_get_string(ost->sws_dict,
if (av_dict_count(ofp->sws_opts)) {
ret = av_dict_get_string(ofp->sws_opts,
&fgt->graph->scale_sws_opts,
'=', ':');
if (ret < 0)
goto fail;
}
if (av_dict_count(ost->swr_opts)) {
if (av_dict_count(ofp->swr_opts)) {
char *args;
ret = av_dict_get_string(ost->swr_opts, &args, '=', ':');
ret = av_dict_get_string(ofp->swr_opts, &args, '=', ':');
if (ret < 0)
goto fail;
av_opt_set(fgt->graph, "aresample_swr_opts", args, 0);

3
fftools/ffmpeg_mux.c
View File

@ -819,9 +819,6 @@ static void ost_free(OutputStream **post)
av_freep(&ost->attachment_filename);
av_dict_free(&ost->sws_dict);
av_dict_free(&ost->swr_opts);
if (ost->enc_ctx)
av_freep(&ost->enc_ctx->stats_in);
avcodec_free_context(&ost->enc_ctx);

11
fftools/ffmpeg_mux_init.c
View File

@ -1356,12 +1356,6 @@ static int ost_add(Muxer *mux, const OptionsContext *o, enum AVMediaType type,
if (oc->oformat->flags & AVFMT_GLOBALHEADER && ost->enc_ctx)
ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
if (ost->enc_ctx && av_get_exact_bits_per_sample(ost->enc_ctx->codec_id) == 24)
av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i,
ms->copy_initial_nonkeyframes, oc, st);
@ -1392,10 +1386,13 @@ static int ost_add(Muxer *mux, const OptionsContext *o, enum AVMediaType type,
.vsync_method = vsync_method,
.sample_rate = ost->enc_ctx->sample_rate,
.ch_layout = ost->enc_ctx->ch_layout,
.sws_opts = o->g->sws_dict,
.swr_opts = o->g->swr_opts,
.output_tb = enc_tb,
.ts_offset = mux->of.start_time == AV_NOPTS_VALUE ?
0 : mux->of.start_time,
.flags = OFILTER_FLAG_DISABLE_CONVERT * !!keep_pix_fmt,
.flags = OFILTER_FLAG_DISABLE_CONVERT * !!keep_pix_fmt |
OFILTER_FLAG_AUDIO_24BIT * !!(av_get_exact_bits_per_sample(ost->enc_ctx->codec_id) == 24),
};
snprintf(name, sizeof(name), "#%d:%d", mux->of.index, ost->index);