diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 31 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx.h | 3 |
2 files changed, 19 insertions, 15 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 10928dccaec..d5728c2cd36 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -365,32 +365,33 @@ static inline int em28xx_isoc_copy(struct urb *urb) /* FIXME: incomplete buffer checks where removed to make logic simpler. Impacts of those changes should be evaluated */ + if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { + em28xx_isocdbg("VBI HEADER!!!\n"); + /* FIXME: Should add vbi copy */ + continue; + } if (p[0] == 0x22 && p[1] == 0x5a) { em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], len, (p[2] & 1)? "odd" : "even"); if (p[2] & 1) buf->top_field = 0; - else { - if (buf->receiving) { - buffer_filled(dev, dma_q, buf); - rc = get_next_buf(dma_q, &buf); - if (rc <= 0) - return rc; - outp = videobuf_to_vmalloc(&buf->vb); - } - + else buf->top_field = 1; + +// if (dev->isoc_ctl.last_field && !buf->top_field) { + if (dev->isoc_ctl.last_field != buf->top_field) { + buffer_filled(dev, dma_q, buf); + rc = get_next_buf(dma_q, &buf); + if (rc <= 0) + return rc; + outp = videobuf_to_vmalloc(&buf->vb); } - buf->receiving = 1; + dev->isoc_ctl.last_field = buf->top_field; + dma_q->pos = 0; - } else if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { - em28xx_isocdbg("VBI HEADER!!!\n"); } - em28xx_copy_video(dev, dma_q, buf, p, outp, len); - - /* FIXME: Should add vbi copy */ } return rc; } diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 6d62357a038..993c1ed05cc 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -114,6 +114,9 @@ struct em28xx_usb_isoc_ctl { /* Stores already requested buffers */ struct em28xx_buffer *buf; + /* Store last filled frame */ + int last_field; + /* Stores the number of received fields */ int nfields; }; |