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Commit ac41fa2a authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[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: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 778ca511

drivers/staging/media/go7007/go7007-driver.c

+4 −2
Original line number Diff line number Diff line
@@ -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);