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[media] go7007: correct a header check: MPEG4 has a different GOP code

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Actually it's called "Group of VOP" start code in MPEG4 terminology.
Taken from the 0.9.8-5 version of the out-of-tree wis-go7007 driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-03-17 10:11:32 -03:00 committed by Mauro Carvalho Chehab
parent 778ca51153
commit ac41fa2a41
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/media/go7007/go7007-driver.c
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@ -435,16 +435,18 @@ static void write_bitmap_word(struct go7007 *go)
void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
{
struct go7007_buffer *vb = go->active_buf;
int i, seq_start_code = -1, frame_start_code = -1;
int i, seq_start_code = -1, gop_start_code = -1, frame_start_code = -1;
switch (go->format) {
case V4L2_PIX_FMT_MPEG4:
seq_start_code = 0xB0;
gop_start_code = 0xB3;
frame_start_code = 0xB6;
break;
case V4L2_PIX_FMT_MPEG1:
case V4L2_PIX_FMT_MPEG2:
seq_start_code = 0xB3;
gop_start_code = 0xB8;
frame_start_code = 0x00;
break;
}
@ -526,7 +528,7 @@ void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
go->format == V4L2_PIX_FMT_MPEG2 ||
go->format == V4L2_PIX_FMT_MPEG4) &&
(buf[i] == seq_start_code ||
buf[i] == 0xB8 || /* GOP code */
buf[i] == gop_start_code ||
buf[i] == frame_start_code)) {
if (vb == NULL || go->seen_frame)
vb = frame_boundary(go, vb);