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ffmpeg: make v4l2 buffer dequeue non-blocking (zero timeout)

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This commit is contained in:
Joo Aun Saw 2019-08-29 01:17:16 +10:00
parent ee9e54d45d
commit ca1abef244
1 changed files with 2 additions and 2 deletions
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4
package/ffmpeg/1006-avcodec-v4l2-add-timeout-when-dequeueing-buffers.patch
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@ -15,7 +15,7 @@ index efcb0426e4..8f9420e28d 100644
* 2. an input buffer is ready to be dequeued
*/
- avbuf = v4l2_dequeue_v4l2buf(ctx, -1);
+ avbuf = v4l2_dequeue_v4l2buf(ctx, ctx_to_m2mctx(ctx)->draining ? -1 : 50);
+ avbuf = v4l2_dequeue_v4l2buf(ctx, ctx_to_m2mctx(ctx)->draining ? -1 : 0);
if (!avbuf) {
if (ctx->done)
return AVERROR_EOF;
@ -24,7 +24,7 @@ index efcb0426e4..8f9420e28d 100644
* 2. an input buffer ready to be dequeued
*/
- avbuf = v4l2_dequeue_v4l2buf(ctx, -1);
+ avbuf = v4l2_dequeue_v4l2buf(ctx, ctx_to_m2mctx(ctx)->draining ? -1 : 50);
+ avbuf = v4l2_dequeue_v4l2buf(ctx, ctx_to_m2mctx(ctx)->draining ? -1 : 0);
if (!avbuf) {
if (ctx->done)
return AVERROR_EOF;