[FFmpeg-devel] [PATCH v4 01/22] avdevice/dshow: fix regression

Diederick Niehorster dcnieho at gmail.com
Fri Mar 25 16:10:20 EET 2022


a1c4929f accidentally undid part of d9a9b4c8, so the bug in ticket #9420
resurfaced. Fixing again.

Signed-off-by: Diederick Niehorster <dcnieho at gmail.com>
---
 libavdevice/dshow.c | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index 6039578ff9..abb8325bc3 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -1002,23 +1002,12 @@ dshow_cycle_formats(AVFormatContext *avctx, enum dshowDeviceType devtype,
                 );
                 continue;
             }
-            if (requested_sample_rate) {
-                if (requested_sample_rate > acaps->MaximumSampleFrequency ||
-                    requested_sample_rate < acaps->MinimumSampleFrequency)
-                    goto next;
-                fx->nSamplesPerSec = requested_sample_rate;
-            }
-            if (requested_sample_size) {
-                if (requested_sample_size > acaps->MaximumBitsPerSample ||
-                    requested_sample_size < acaps->MinimumBitsPerSample)
-                    goto next;
-                fx->wBitsPerSample = requested_sample_size;
-            }
-            if (requested_channels) {
-                if (requested_channels > acaps->MaximumChannels ||
-                    requested_channels < acaps->MinimumChannels)
-                    goto next;
-                fx->nChannels = requested_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;
             }
         }
 
-- 
2.28.0.windows.1



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