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author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 13:30:20 +0200 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 13:30:20 +0200 |
commit | e7549b926dd3ceec048f5689df90d4ec970c9419 (patch) | |
tree | c8645e0b4343c309aac1a3838a17cfcf0893d7b5 /drivers/media/video/cx18/cx18-streams.c | |
parent | 499ba610c2829adafbf393c2f3773d73ae4445f3 (diff) | |
download | kernel_samsung_smdk4412-e7549b926dd3ceec048f5689df90d4ec970c9419.zip kernel_samsung_smdk4412-e7549b926dd3ceec048f5689df90d4ec970c9419.tar.gz kernel_samsung_smdk4412-e7549b926dd3ceec048f5689df90d4ec970c9419.tar.bz2 |
more driver stuff from 3.2.72
Diffstat (limited to 'drivers/media/video/cx18/cx18-streams.c')
-rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 852f420..638cca1 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -138,6 +138,12 @@ static int cx18_prepare_buffer(struct videobuf_queue *q, buf->tvnorm = cx->std; s->pixelformat = pixelformat; + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (s->pixelformat == V4L2_PIX_FMT_HM12) + s->vb_bytes_per_frame = height * 720 * 3 / 2; + else + s->vb_bytes_per_frame = height * 720 * 2; cx18_dma_free(q, s, buf); } @@ -154,6 +160,12 @@ static int cx18_prepare_buffer(struct videobuf_queue *q, buf->tvnorm = cx->std; s->pixelformat = pixelformat; + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (s->pixelformat == V4L2_PIX_FMT_HM12) + s->vb_bytes_per_frame = height * 720 * 3 / 2; + else + s->vb_bytes_per_frame = height * 720 * 2; rc = videobuf_iolock(q, &buf->vb, NULL); if (rc != 0) goto fail; @@ -287,6 +299,7 @@ static void cx18_stream_init(struct cx18 *cx, int type) /* Assume the previous pixel default */ s->pixelformat = V4L2_PIX_FMT_HM12; + s->vb_bytes_per_frame = cx->cxhdl.height * 720 * 3 / 2; } } |