[FFmpeg-devel] [PATCH 1/2] Use WAVEFORMATEX from AM_MEDIA_TYPE for describing device capabilities. (Fixes #9420)
Brad Isbell
brad at audiopump.co
Thu Nov 4 04:09:00 EET 2021
>From fd6bfd237d4d25de04d8179ccb1ff2d2f0aa904f Mon Sep 17 00:00:00 2001
From: Brad Isbell <brad at audiopump.co>
Date: Sun, 3 Oct 2021 00:16:05 -0500
Subject: [PATCH 1/2] Use WAVEFORMATEX from AM_MEDIA_TYPE for describing
device
capabilities. (Fixes #9420)
Signed-off-by: Brad Isbell <brad at audiopump.co>
---
libavdevice/dshow.c | 32 ++++++++++++--------------------
1 file changed, 12 insertions(+), 20 deletions(-)
diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index 8d0a6fc..5c1e494 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -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)
--
2.32.0.windows.1
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