avdevice/lavfi: Simplify setting sample_fmts

The length of this list is a compile-time constant, so there is
no need to calculate it again at runtime.
(This also avoids an implicit requirement of -1 == AV_SAMPLE_FMT_NONE.)

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-12-02 19:19:19 +01:00
parent 60a2c74a5e
commit b7e3ae19b8

View File

@ -271,14 +271,15 @@ av_cold static int lavfi_read_header(AVFormatContext *avctx)
} else if (type == AVMEDIA_TYPE_AUDIO) {
static const enum AVSampleFormat sample_fmts[] = {
AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL, -1
AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL,
};
ret = avfilter_graph_create_filter(&sink, abuffersink,
inout->name, NULL,
NULL, lavfi->graph);
if (ret >= 0)
ret = av_opt_set_int_list(sink, "sample_fmts", sample_fmts, AV_SAMPLE_FMT_NONE, AV_OPT_SEARCH_CHILDREN);
ret = av_opt_set_bin(sink, "sample_fmts", (const uint8_t*)sample_fmts,
sizeof(sample_fmts), AV_OPT_SEARCH_CHILDREN);
if (ret < 0)
goto end;
ret = av_opt_set_int(sink, "all_channel_counts", 1,