diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-fileops.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-fileops.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index 7ec5c99f9ad..1c404e454a3 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -39,7 +39,7 @@ associated VBI streams are also automatically claimed. Possible error returns: -EBUSY if someone else has claimed the stream or 0 on success. */ -int ivtv_claim_stream(struct ivtv_open_id *id, int type) +static int ivtv_claim_stream(struct ivtv_open_id *id, int type) { struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[type]; @@ -78,7 +78,7 @@ int ivtv_claim_stream(struct ivtv_open_id *id, int type) if (type == IVTV_DEC_STREAM_TYPE_MPG) { vbi_type = IVTV_DEC_STREAM_TYPE_VBI; } else if (type == IVTV_ENC_STREAM_TYPE_MPG && - itv->vbi.insert_mpeg && itv->vbi.sliced_in->service_set) { + itv->vbi.insert_mpeg && !ivtv_raw_vbi(itv)) { vbi_type = IVTV_ENC_STREAM_TYPE_VBI; } else { return 0; @@ -305,7 +305,7 @@ static size_t ivtv_copy_buf_to_user(struct ivtv_stream *s, struct ivtv_buffer *b if (len > ucount) len = ucount; if (itv->vbi.insert_mpeg && s->type == IVTV_ENC_STREAM_TYPE_MPG && - itv->vbi.sliced_in->service_set && buf != &itv->vbi.sliced_mpeg_buf) { + !ivtv_raw_vbi(itv) && buf != &itv->vbi.sliced_mpeg_buf) { const char *start = buf->buf + buf->readpos; const char *p = start + 1; const u8 *q; @@ -372,7 +372,7 @@ static ssize_t ivtv_read(struct ivtv_stream *s, char __user *ubuf, size_t tot_co /* Each VBI buffer is one frame, the v4l2 API says that for VBI the frames should arrive one-by-one, so make sure we never output more than one VBI frame at a time */ if (s->type == IVTV_DEC_STREAM_TYPE_VBI || - (s->type == IVTV_ENC_STREAM_TYPE_VBI && itv->vbi.sliced_in->service_set)) + (s->type == IVTV_ENC_STREAM_TYPE_VBI && !ivtv_raw_vbi(itv))) single_frame = 1; for (;;) { @@ -600,13 +600,14 @@ retry: since we may get here before the stream has been fully set-up */ if (mode == OUT_YUV && s->q_full.length == 0 && itv->dma_data_req_size) { while (count >= itv->dma_data_req_size) { - if (!ivtv_yuv_udma_stream_frame (itv, (void __user *)user_buf)) { - bytes_written += itv->dma_data_req_size; - user_buf += itv->dma_data_req_size; - count -= itv->dma_data_req_size; - } else { - break; - } + rc = ivtv_yuv_udma_stream_frame(itv, (void __user *)user_buf); + + if (rc < 0) + return rc; + + bytes_written += itv->dma_data_req_size; + user_buf += itv->dma_data_req_size; + count -= itv->dma_data_req_size; } if (count == 0) { IVTV_DEBUG_HI_FILE("Wrote %d bytes to %s (%d)\n", bytes_written, s->name, s->q_full.bytesused); |