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media: coda: mark the last output buffer on decoder stop command 

Mark the last output buffer to be decoded and only copy pending queued
output buffers into the bitstream ring buffer in the BIT processor
decoder case.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philipp Zabel 2019-06-18 12:45:24 -04:00 committed by Mauro Carvalho Chehab
parent aa3972a358
commit 1b438b4540
2 changed files with 9 additions and 0 deletions
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3
drivers/media/platform/coda/coda-bit.c
View File

@ -312,6 +312,9 @@ static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev))
coda_kfifo_sync_to_device_write(ctx);
/* Set the stream-end flag after the last buffer is queued */
if (src_buf->flags & V4L2_BUF_FLAG_LAST)
coda_bit_stream_end_flag(ctx);
ctx->hold = false;
return true;

6
drivers/media/platform/coda/coda-common.c
View File

@ -1071,6 +1071,7 @@ static int coda_decoder_cmd(struct file *file, void *fh,
{
struct coda_ctx *ctx = fh_to_ctx(fh);
struct coda_dev *dev = ctx->dev;
struct vb2_v4l2_buffer *buf;
struct vb2_queue *dst_vq;
int ret;
@ -1092,6 +1093,11 @@ static int coda_decoder_cmd(struct file *file, void *fh,
mutex_unlock(&ctx->bitstream_mutex);
break;
case V4L2_DEC_CMD_STOP:
buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
if (buf)
/* Mark last buffer */
buf->flags |= V4L2_BUF_FLAG_LAST;
/* Set the stream-end flag on this context */
coda_bit_stream_end_flag(ctx);
ctx->hold = false;