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[media] coda: round up internal frames to multiples of macroblock size for h.264

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CODA7541 only supports encoding h.264 frames with width and height that are
multiples of the macroblock size.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Philipp Zabel 2014-07-11 06:36:38 -03:00 committed by Mauro Carvalho Chehab
parent 1b0ed7be67
commit 7c3df78953
1 changed files with 20 additions and 5 deletions
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25
drivers/media/platform/coda.c
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@ -1744,15 +1744,21 @@ static void coda_free_framebuffers(struct coda_ctx *ctx)
static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
{
struct coda_dev *dev = ctx->dev;
int height = q_data->height;
int width, height;
dma_addr_t paddr;
int ysize;
int ret;
int i;
if (ctx->codec && ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
height = round_up(height, 16);
ysize = round_up(q_data->width, 8) * height;
if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) {
width = round_up(q_data->width, 16);
height = round_up(q_data->height, 16);
} else {
width = round_up(q_data->width, 8);
height = q_data->height;
}
ysize = width * height;
/* Allocate frame buffers */
for (i = 0; i < ctx->num_internal_frames; i++) {
@ -2377,7 +2383,16 @@ static int coda_start_encoding(struct coda_ctx *ctx)
value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
break;
default:
case CODA_7541:
if (dst_fourcc == V4L2_PIX_FMT_H264) {
value = (round_up(q_data_src->width, 16) &
CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
value |= (round_up(q_data_src->height, 16) &
CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
break;
}
/* fallthrough */
case CODA_960:
value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
}