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[media] coda: fix fill bitstream errors in nonstreaming case 

When queueing a buffer into the bitstream fails, it has to be requeued
in the videobuf2 queue before streaming starts, but while streaming it
should be returned to userspace with an error.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Philipp Zabel 2015-03-24 14:30:57 -03:00 committed by Mauro Carvalho Chehab
parent 5c76c2c3e2
commit 582d887211
3 changed files with 11 additions and 8 deletions
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11
drivers/media/platform/coda/coda-bit.c
View File

@ -218,7 +218,7 @@ static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
return true;
}
void coda_fill_bitstream(struct coda_ctx *ctx)
void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming)
{
struct vb2_buffer *src_buf;
struct coda_buffer_meta *meta;
@ -239,9 +239,12 @@ void coda_fill_bitstream(struct coda_ctx *ctx)
if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG &&
!coda_jpeg_check_buffer(ctx, src_buf)) {
v4l2_err(&ctx->dev->v4l2_dev,
"dropping invalid JPEG frame\n");
"dropping invalid JPEG frame %d\n",
ctx->qsequence);
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
v4l2_m2m_buf_done(src_buf, streaming ?
VB2_BUF_STATE_ERROR :
VB2_BUF_STATE_QUEUED);
continue;
}
@ -1648,7 +1651,7 @@ static int coda_prepare_decode(struct coda_ctx *ctx)
/* Try to copy source buffer contents into the bitstream ringbuffer */
mutex_lock(&ctx->bitstream_mutex);
coda_fill_bitstream(ctx);
coda_fill_bitstream(ctx, true);
mutex_unlock(&ctx->bitstream_mutex);
if (coda_get_bitstream_payload(ctx) < 512 &&

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

@ -1192,7 +1192,7 @@ static void coda_buf_queue(struct vb2_buffer *vb)
mutex_lock(&ctx->bitstream_mutex);
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
if (vb2_is_streaming(vb->vb2_queue))
coda_fill_bitstream(ctx);
coda_fill_bitstream(ctx, true);
mutex_unlock(&ctx->bitstream_mutex);
} else {
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
@ -1252,9 +1252,9 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (q_data_src->fourcc == V4L2_PIX_FMT_H264 ||
(q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
ctx->dev->devtype->product == CODA_7541)) {
/* copy the buffers that where queued before streamon */
/* copy the buffers that were queued before streamon */
mutex_lock(&ctx->bitstream_mutex);
coda_fill_bitstream(ctx);
coda_fill_bitstream(ctx, false);
mutex_unlock(&ctx->bitstream_mutex);
if (coda_get_bitstream_payload(ctx) < 512) {

2
drivers/media/platform/coda/coda.h
View File

@ -256,7 +256,7 @@ int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
int coda_hw_reset(struct coda_ctx *ctx);
void coda_fill_bitstream(struct coda_ctx *ctx);
void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming);
void coda_set_gdi_regs(struct coda_ctx *ctx);