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authorPhilipp Zabel <p.zabel@pengutronix.de>2017-12-07 09:59:51 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-18 15:00:16 -0500
commit645838b51962e457250569d0fbe435d13792b93f (patch)
tree840a8fb9325b988d5d5b358560b8304027017bdd /drivers/media/platform/coda/coda-bit.c
parentmedia: coda: allocate space for mpeg4 decoder mvcol buffer (diff)
downloadlinux-dev-645838b51962e457250569d0fbe435d13792b93f.tar.xz
linux-dev-645838b51962e457250569d0fbe435d13792b93f.zip
media: coda: use correct offset for mpeg4 decoder mvcol buffer
The mvcol buffer needs to be placed behind the chroma plane(s) when decoding MPEG-4, same as for the h.264 decoder. Use the real offset with the required rounding. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/coda/coda-bit.c')
-rw-r--r--drivers/media/platform/coda/coda-bit.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 32db1227d025..9fe113cb901f 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -455,18 +455,16 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx,
coda_parabuf_write(ctx, i * 3 + 1, cb);
coda_parabuf_write(ctx, i * 3 + 2, cr);
- /* mvcol buffer for h.264 */
- if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
- dev->devtype->product != CODA_DX6)
+ if (dev->devtype->product == CODA_DX6)
+ continue;
+
+ /* mvcol buffer for h.264 and mpeg4 */
+ if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
coda_parabuf_write(ctx, 96 + i, mvcol);
+ if (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4 && i == 0)
+ coda_parabuf_write(ctx, 97, mvcol);
}
- /* mvcol buffer for mpeg4 */
- if ((dev->devtype->product != CODA_DX6) &&
- (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4))
- coda_parabuf_write(ctx, 97, ctx->internal_frames[0].paddr +
- ysize + ysize/4 + ysize/4);
-
return 0;
}