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authorMaxime Ripard <maxime.ripard@bootlin.com>2019-05-24 05:20:31 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-05-29 06:31:08 -0400
commit6eb9b758e307481b116704fc5ea9f9fe84d7094b (patch)
treeb0d939ade295b244c8b7392c024c7b1a38bd8fe2 /drivers/staging/media/sunxi/cedrus/cedrus_video.c
parent67e84a98af6505d78be9e1a383fadd8de2f9fed0 (diff)
media: cedrus: Add H264 decoding support
Introduce some basic H264 decoding support in cedrus. So far, only the baseline profile videos have been tested, and some more advanced features used in higher profiles are not even implemented. Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net> Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/staging/media/sunxi/cedrus/cedrus_video.c')
-rw-r--r--drivers/staging/media/sunxi/cedrus/cedrus_video.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
index 9673874ece10..e2b530b1a956 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
@@ -38,6 +38,10 @@ static struct cedrus_format cedrus_formats[] = {
.directions = CEDRUS_DECODE_SRC,
},
{
+ .pixelformat = V4L2_PIX_FMT_H264_SLICE_RAW,
+ .directions = CEDRUS_DECODE_SRC,
+ },
+ {
.pixelformat = V4L2_PIX_FMT_SUNXI_TILED_NV12,
.directions = CEDRUS_DECODE_DST,
},
@@ -100,6 +104,7 @@ static void cedrus_prepare_format(struct v4l2_pix_format *pix_fmt)
switch (pix_fmt->pixelformat) {
case V4L2_PIX_FMT_MPEG2_SLICE:
+ case V4L2_PIX_FMT_H264_SLICE_RAW:
/* Zero bytes per line for encoded source. */
bytesperline = 0;
@@ -464,6 +469,10 @@ static int cedrus_start_streaming(struct vb2_queue *vq, unsigned int count)
ctx->current_codec = CEDRUS_CODEC_MPEG2;
break;
+ case V4L2_PIX_FMT_H264_SLICE_RAW:
+ ctx->current_codec = CEDRUS_CODEC_H264;
+ break;
+
default:
return -EINVAL;
}

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