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doc/examples/encode_audio: Don't access deprecated AVCodec fields

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2026-06-04 12:14:07 +02:00
committed by James Almer
parent 27d49179e1
commit 72f751ef78
1 changed files with 29 additions and 7 deletions
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36
doc/examples/encode_audio.c
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@@ -41,7 +41,17 @@
/* check that a given sample format is supported by the encoder */
static int check_sample_fmt(const AVCodec *codec, enum AVSampleFormat sample_fmt)
{
const enum AVSampleFormat *p = codec->sample_fmts;
const void *out_config;
int ret = avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_SAMPLE_FORMAT,
0, &out_config, NULL);
if (ret < 0) {
fprintf(stderr, "Error getting supported sample formats\n");
exit(1);
}
const enum AVSampleFormat *p = out_config;
if (!p)
return 1;
while (*p != AV_SAMPLE_FMT_NONE) {
if (*p == sample_fmt)
@@ -54,13 +64,19 @@ static int check_sample_fmt(const AVCodec *codec, enum AVSampleFormat sample_fmt
/* just pick the highest supported samplerate */
static int select_sample_rate(const AVCodec *codec)
{
const int *p;
const void *out_config;
int ret = avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_SAMPLE_RATE,
0, &out_config, NULL);
if (ret < 0) {
fprintf(stderr, "Error getting supported sample rates\n");
exit(1);
}
const int *p = out_config;
int best_samplerate = 0;
if (!codec->supported_samplerates)
if (!p)
return 44100;
p = codec->supported_samplerates;
while (*p) {
if (!best_samplerate || abs(44100 - *p) < abs(44100 - best_samplerate))
best_samplerate = *p;
@@ -72,13 +88,19 @@ static int select_sample_rate(const AVCodec *codec)
/* select layout with the highest channel count */
static int select_channel_layout(const AVCodec *codec, AVChannelLayout *dst)
{
const AVChannelLayout *p, *best_ch_layout;
const void *out_config;
int ret = avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_CHANNEL_LAYOUT,
0, &out_config, NULL);
if (ret < 0) {
fprintf(stderr, "Error getting supported channel layouts\n");
exit(1);
}
const AVChannelLayout *p = out_config, *best_ch_layout;
int best_nb_channels = 0;
if (!codec->ch_layouts)
if (!p)
return av_channel_layout_copy(dst, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO);
p = codec->ch_layouts;
while (p->nb_channels) {
int nb_channels = p->nb_channels;