diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-10-24 11:49:19 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-11 11:12:05 -0200 |
commit | 3d95e932573c316ad56b8e2f283e26de0b9c891c (patch) | |
tree | ad5fd2e33f2fe21c67d5b5bc367a8597591f7926 /drivers/media/video/uvc/uvc_video.c | |
parent | 4be9c8fb58e48cd0110bd9504b0af1e18fa54467 (diff) |
[media] uvcvideo: Move fields from uvc_buffer::buf to uvc_buffer
Add mem, length and bytesused fields to the uvc_buffer structure and use
them instead of accessing the uvc_buffer::buf m.offset, length and
bytesused fields directly. This prepares the driver to the conversion to
videobuf2.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/uvc/uvc_video.c')
-rw-r--r-- | drivers/media/video/uvc/uvc_video.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index b015e8e5e8b..00fe749c0cc 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -490,7 +490,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream, * avoids detecting end of frame conditions at FID toggling if the * previous payload had the EOF bit set. */ - if (fid != stream->last_fid && buf->buf.bytesused != 0) { + if (fid != stream->last_fid && buf->bytesused != 0) { uvc_trace(UVC_TRACE_FRAME, "Frame complete (FID bit " "toggled).\n"); buf->state = UVC_BUF_STATE_READY; @@ -505,7 +505,6 @@ static int uvc_video_decode_start(struct uvc_streaming *stream, static void uvc_video_decode_data(struct uvc_streaming *stream, struct uvc_buffer *buf, const __u8 *data, int len) { - struct uvc_video_queue *queue = &stream->queue; unsigned int maxlen, nbytes; void *mem; @@ -513,11 +512,11 @@ static void uvc_video_decode_data(struct uvc_streaming *stream, return; /* Copy the video data to the buffer. */ - maxlen = buf->buf.length - buf->buf.bytesused; - mem = queue->mem + buf->buf.m.offset + buf->buf.bytesused; + maxlen = buf->length - buf->bytesused; + mem = buf->mem + buf->bytesused; nbytes = min((unsigned int)len, maxlen); memcpy(mem, data, nbytes); - buf->buf.bytesused += nbytes; + buf->bytesused += nbytes; /* Complete the current frame if the buffer size was exceeded. */ if (len > maxlen) { @@ -530,7 +529,7 @@ static void uvc_video_decode_end(struct uvc_streaming *stream, struct uvc_buffer *buf, const __u8 *data, int len) { /* Mark the buffer as done if the EOF marker is set. */ - if (data[1] & UVC_STREAM_EOF && buf->buf.bytesused != 0) { + if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) { uvc_trace(UVC_TRACE_FRAME, "Frame complete (EOF found).\n"); if (data[0] == len) uvc_trace(UVC_TRACE_FRAME, "EOF in empty payload.\n"); @@ -568,8 +567,8 @@ static int uvc_video_encode_data(struct uvc_streaming *stream, void *mem; /* Copy video data to the URB buffer. */ - mem = queue->mem + buf->buf.m.offset + queue->buf_used; - nbytes = min((unsigned int)len, buf->buf.bytesused - queue->buf_used); + mem = buf->mem + queue->buf_used; + nbytes = min((unsigned int)len, buf->bytesused - queue->buf_used); nbytes = min(stream->bulk.max_payload_size - stream->bulk.payload_size, nbytes); memcpy(data, mem, nbytes); @@ -624,7 +623,7 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream, urb->iso_frame_desc[i].actual_length); if (buf->state == UVC_BUF_STATE_READY) { - if (buf->buf.length != buf->buf.bytesused && + if (buf->length != buf->bytesused && !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED)) buf->error = 1; @@ -724,9 +723,9 @@ static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream, stream->bulk.payload_size += ret; len -= ret; - if (buf->buf.bytesused == stream->queue.buf_used || + if (buf->bytesused == stream->queue.buf_used || stream->bulk.payload_size == stream->bulk.max_payload_size) { - if (buf->buf.bytesused == stream->queue.buf_used) { + if (buf->bytesused == stream->queue.buf_used) { stream->queue.buf_used = 0; buf->state = UVC_BUF_STATE_READY; buf->buf.sequence = ++stream->sequence; |