diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-fileops.c')
-rw-r--r-- | drivers/media/video/cx18/cx18-fileops.c | 38 |
1 files changed, 14 insertions, 24 deletions
diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index 5f9089907544..425271a29517 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -4,6 +4,7 @@ * Derived from ivtv-fileops.c * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -66,12 +67,11 @@ static int cx18_claim_stream(struct cx18_open_id *id, int type) } s->id = id->open_id; - /* CX18_DEC_STREAM_TYPE_MPG needs to claim CX18_DEC_STREAM_TYPE_VBI, - CX18_ENC_STREAM_TYPE_MPG needs to claim CX18_ENC_STREAM_TYPE_VBI + /* CX18_ENC_STREAM_TYPE_MPG needs to claim CX18_ENC_STREAM_TYPE_VBI (provided VBI insertion is on and sliced VBI is selected), for all other streams we're done */ if (type == CX18_ENC_STREAM_TYPE_MPG && - cx->vbi.insert_mpeg && cx->vbi.sliced_in->service_set) { + cx->vbi.insert_mpeg && !cx18_raw_vbi(cx)) { vbi_type = CX18_ENC_STREAM_TYPE_VBI; } else { return 0; @@ -185,8 +185,10 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) { while ((buf = cx18_dequeue(s_vbi, &s_vbi->q_full))) { /* byteswap and process VBI data */ -/* cx18_process_vbi_data(cx, buf, s_vbi->dma_pts, s_vbi->type); */ - cx18_enqueue(s_vbi, buf, &s_vbi->q_free); + cx18_process_vbi_data(cx, buf, + s_vbi->dma_pts, + s_vbi->type); + cx18_stream_put_buf_fw(s_vbi, buf); } } buf = &cx->vbi.sliced_mpeg_buf; @@ -194,11 +196,6 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, return buf; } - /* do we have leftover data? */ - buf = cx18_dequeue(s, &s->q_io); - if (buf) - return buf; - /* do we have new data? */ buf = cx18_dequeue(s, &s->q_full); if (buf) { @@ -262,7 +259,7 @@ static size_t cx18_copy_buf_to_user(struct cx18_stream *s, if (len > ucount) len = ucount; if (cx->vbi.insert_mpeg && s->type == CX18_ENC_STREAM_TYPE_MPG && - cx->vbi.sliced_in->service_set && buf != &cx->vbi.sliced_mpeg_buf) { + !cx18_raw_vbi(cx) && buf != &cx->vbi.sliced_mpeg_buf) { const char *start = buf->buf + buf->readpos; const char *p = start + 1; const u8 *q; @@ -337,8 +334,7 @@ static ssize_t cx18_read(struct cx18_stream *s, char __user *ubuf, /* 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 == CX18_ENC_STREAM_TYPE_VBI && - cx->vbi.sliced_in->service_set) + if (s->type == CX18_ENC_STREAM_TYPE_VBI && !cx18_raw_vbi(cx)) single_frame = 1; for (;;) { @@ -365,16 +361,10 @@ static ssize_t cx18_read(struct cx18_stream *s, char __user *ubuf, tot_count - tot_written); if (buf != &cx->vbi.sliced_mpeg_buf) { - if (buf->readpos == buf->bytesused) { - cx18_buf_sync_for_device(s, buf); - cx18_enqueue(s, buf, &s->q_free); - cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, - s->handle, - (void __iomem *)&cx->scb->cpu_mdl[buf->id] - - cx->enc_mem, - 1, buf->id, s->buf_size); - } else - cx18_enqueue(s, buf, &s->q_io); + if (buf->readpos == buf->bytesused) + cx18_stream_put_buf_fw(s, buf); + else + cx18_push(s, buf, &s->q_full); } else if (buf->readpos == buf->bytesused) { int idx = cx->vbi.inserted_frame % CX18_VBI_FRAMES; @@ -518,7 +508,7 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) CX18_DEBUG_HI_FILE("Encoder poll\n"); poll_wait(filp, &s->waitq, wait); - if (atomic_read(&s->q_full.buffers) || atomic_read(&s->q_io.buffers)) + if (atomic_read(&s->q_full.buffers)) return POLLIN | POLLRDNORM; if (eof) return POLLHUP; |