hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Philipp Zabel 2017-12-07 09:59:51 -05:00 committed by Mauro Carvalho Chehab
parent 25141bc7ac
commit 645838b519
1 changed files with 8 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/media/platform/coda/coda-bit.c
View File

@ -455,17 +455,15 @@ 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)
coda_parabuf_write(ctx, 96 + i, mvcol);
}
if (dev->devtype->product == CODA_DX6)
continue;
/* 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);
/* 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);
}
return 0;
}