the draining is set when the output port is finished,
but it doesn't mean the capture port is finished.
especially for decoder, there may be a stream buffer to store several
frames.
so the decoder still need capture buffer even if the draining is set.
Signed-off-by: Ming Qian <ming.q...@nxp.com>
---
libavcodec/v4l2_buffers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/v4l2_buffers.c b/libavcodec/v4l2_buffers.c
index dc1b9eaf24..02f23d954b 100644
--- a/libavcodec/v4l2_buffers.c
+++ b/libavcodec/v4l2_buffers.c
@@ -222,7 +222,7 @@ static void v4l2_free_buffer(void *opaque, uint8_t *unused)
if (!atomic_load(&s->refcount))
sem_post(&s->refsync);
} else {
- if (s->draining) {
+ if (s->draining && V4L2_TYPE_IS_OUTPUT(avbuf->context->type)) {
/* no need to queue more buffers to the driver */
avbuf->status = V4L2BUF_AVAILABLE;
}
--
2.25.1
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