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Code Issues Releases Activity

doc/examples/decode_filter_audio: switch to new buffersink options

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Use a mix of av_opt_set() and av_opt_set_array() to demonstrate
different ways the options can be set.
This commit is contained in:
Anton Khirnov 2024-09-25 17:59:03 +02:00
parent 1efcdbc54d
commit 0dbd59242a
1 changed files with 7 additions and 8 deletions
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15
doc/examples/decode_filter_audio.c
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@ -96,8 +96,7 @@ static int init_filters(const char *filters_descr)
const AVFilter *abuffersink = avfilter_get_by_name("abuffersink");
AVFilterInOut *outputs = avfilter_inout_alloc();
AVFilterInOut *inputs = avfilter_inout_alloc();
static const enum AVSampleFormat out_sample_fmts[] = { AV_SAMPLE_FMT_S16, -1 };
static const int out_sample_rates[] = { 8000, -1 };
static const int out_sample_rate = 8000;
const AVFilterLink *outlink;
AVRational time_base = fmt_ctx->streams[audio_stream_index]->time_base;
@ -130,22 +129,22 @@ static int init_filters(const char *filters_descr)
goto end;
}
ret = av_opt_set_int_list(buffersink_ctx, "sample_fmts", out_sample_fmts, -1,
AV_OPT_SEARCH_CHILDREN);
ret = av_opt_set(buffersink_ctx, "sample_formats", "s16",
AV_OPT_SEARCH_CHILDREN);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot set output sample format\n");
goto end;
}
ret = av_opt_set(buffersink_ctx, "ch_layouts", "mono",
AV_OPT_SEARCH_CHILDREN);
ret = av_opt_set(buffersink_ctx, "channel_layouts", "mono",
AV_OPT_SEARCH_CHILDREN);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot set output channel layout\n");
goto end;
}
ret = av_opt_set_int_list(buffersink_ctx, "sample_rates", out_sample_rates, -1,
AV_OPT_SEARCH_CHILDREN);
ret = av_opt_set_array(buffersink_ctx, "samplerates", AV_OPT_SEARCH_CHILDREN,
0, 1, AV_OPT_TYPE_INT, &out_sample_rate);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot set output sample rate\n");
goto end;