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avdevice/dshow: Use WAVEFORMATEX from AM_MEDIA_TYPE for describing device capabilities. (Fixes #9420)

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Signed-off-by: Brad Isbell <brad@audiopump.co>
Reviewed-by: Roger Pack <rogerdpack2@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Brad Isbell 2021-10-03 00:16:05 -05:00 committed by Michael Niedermayer
parent 7370f1f4c9
commit d9a9b4c877
1 changed files with 12 additions and 20 deletions
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32
libavdevice/dshow.c
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@ -422,28 +422,20 @@ dshow_cycle_formats(AVFormatContext *avctx, enum dshowDeviceType devtype,
goto next;
}
if (!pformat_set) {
av_log(avctx, AV_LOG_INFO, " min ch=%lu bits=%lu rate=%6lu max ch=%lu bits=%lu rate=%6lu\n",
acaps->MinimumChannels, acaps->MinimumBitsPerSample, acaps->MinimumSampleFrequency,
acaps->MaximumChannels, acaps->MaximumBitsPerSample, acaps->MaximumSampleFrequency);
av_log(
avctx,
AV_LOG_INFO,
" ch=%2lu, bits=%2lu, rate=%6lu\n",
fx->nChannels, fx->wBitsPerSample, fx->nSamplesPerSec
);
continue;
}
if (ctx->sample_rate) {
if (ctx->sample_rate > acaps->MaximumSampleFrequency ||
ctx->sample_rate < acaps->MinimumSampleFrequency)
goto next;
fx->nSamplesPerSec = ctx->sample_rate;
}
if (ctx->sample_size) {
if (ctx->sample_size > acaps->MaximumBitsPerSample ||
ctx->sample_size < acaps->MinimumBitsPerSample)
goto next;
fx->wBitsPerSample = ctx->sample_size;
}
if (ctx->channels) {
if (ctx->channels > acaps->MaximumChannels ||
ctx->channels < acaps->MinimumChannels)
goto next;
fx->nChannels = ctx->channels;
if (
(ctx->sample_rate && ctx->sample_rate != fx->nSamplesPerSec) ||
(ctx->sample_size && ctx->sample_size != fx->wBitsPerSample) ||
(ctx->channels && ctx->channels != fx->nChannels )
) {
goto next;
}
}
if (IAMStreamConfig_SetFormat(config, type) != S_OK)