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Code Issues Releases Activity

avcodec/allcodecs: add backcompat for new config API

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In order to avoid breaking older clients not yet using the new API, we
need to add backwards compatibility for codecs which have switched from
init_static() to get_supported_config().

This function can be removed entirely once the deprecated static fields
are removed.
This commit is contained in:
Niklas Haas 2024-04-05 19:21:43 +02:00
parent 13cec7bb5f
commit 088108fc7a
1 changed files with 41 additions and 2 deletions
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43
libavcodec/allcodecs.c
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@ -913,9 +913,48 @@ const FFCodec * codec_list[] = {
static AVOnce av_codec_static_init = AV_ONCE_INIT;
static void av_codec_init_static(void)
{
int dummy;
for (int i = 0; codec_list[i]; i++) {
if (codec_list[i]->init_static_data)
codec_list[i]->init_static_data((FFCodec*)codec_list[i]);
const FFCodec *codec = codec_list[i];
if (codec->init_static_data) {
codec->init_static_data((FFCodec*) codec);
continue;
}
/* Backward compatibility with deprecated public fields */
if (!codec->get_supported_config)
continue;
FF_DISABLE_DEPRECATION_WARNINGS
switch (codec->p.type) {
case AVMEDIA_TYPE_VIDEO:
codec->get_supported_config(NULL, &codec->p,
AV_CODEC_CONFIG_PIX_FORMAT, 0,
(const void **) &codec->p.pix_fmts,
&dummy);
codec->get_supported_config(NULL, &codec->p,
AV_CODEC_CONFIG_FRAME_RATE, 0,
(const void **) &codec->p.supported_framerates,
&dummy);
break;
case AVMEDIA_TYPE_AUDIO:
codec->get_supported_config(NULL, &codec->p,
AV_CODEC_CONFIG_SAMPLE_FORMAT, 0,
(const void **) &codec->p.sample_fmts,
&dummy);
codec->get_supported_config(NULL, &codec->p,
AV_CODEC_CONFIG_SAMPLE_RATE, 0,
(const void **) &codec->p.supported_samplerates,
&dummy);
codec->get_supported_config(NULL, &codec->p,
AV_CODEC_CONFIG_CHANNEL_LAYOUT, 0,
(const void **) &codec->p.ch_layouts,
&dummy);
break;
default:
break;
}
FF_ENABLE_DEPRECATION_WARNINGS
}
}