From ac41fa2a41ba2eb224c982c2c8849169aca6310f Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 17 Mar 2013 10:11:32 -0300 Subject: [PATCH] [media] go7007: correct a header check: MPEG4 has a different GOP code 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/go7007/go7007-driver.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/go7007/go7007-driver.c b/drivers/staging/media/go7007/go7007-driver.c index 4378223d8bb8..3c0b2585ad73 100644 --- a/drivers/staging/media/go7007/go7007-driver.c +++ b/drivers/staging/media/go7007/go7007-driver.c @@ -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); -- 2.39.5