Use a mix of av_opt_set() and av_opt_set_array() to demonstrate
different ways the options can be set.
---
doc/examples/decode_filter_audio.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/doc/examples/decode_filter_audio.c
b/doc/examples/decode_filter_audio.c
index 6d148f7ab4..03e13ef66f 100644
--- a/doc/examples/decode_filter_audio.c
+++ b/doc/examples/decode_filter_audio.c
@@ -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;
--
2.43.0
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