diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-fileops.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-fileops.c | 66 |
1 files changed, 49 insertions, 17 deletions
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index babcabd73c08..3c2cc270ccd5 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -32,6 +32,7 @@ #include "ivtv-yuv.h" #include "ivtv-ioctl.h" #include "ivtv-cards.h" +#include <media/v4l2-event.h> #include <media/saa7115.h> /* This function tries to claim the stream for a specific file descriptor. @@ -506,7 +507,7 @@ int ivtv_start_capture(struct ivtv_open_id *id) ssize_t ivtv_v4l2_read(struct file * filp, char __user *buf, size_t count, loff_t * pos) { - struct ivtv_open_id *id = filp->private_data; + struct ivtv_open_id *id = fh2id(filp->private_data); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; int rc; @@ -541,7 +542,7 @@ int ivtv_start_decoding(struct ivtv_open_id *id, int speed) ssize_t ivtv_v4l2_write(struct file *filp, const char __user *user_buf, size_t count, loff_t *pos) { - struct ivtv_open_id *id = filp->private_data; + struct ivtv_open_id *id = fh2id(filp->private_data); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; struct yuv_playback_info *yi = &itv->yuv_info; @@ -711,19 +712,31 @@ retry: unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table *wait) { - struct ivtv_open_id *id = filp->private_data; + struct ivtv_open_id *id = fh2id(filp->private_data); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; int res = 0; /* add stream's waitq to the poll list */ IVTV_DEBUG_HI_FILE("Decoder poll\n"); - poll_wait(filp, &s->waitq, wait); - set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags); - if (test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags) || - test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags)) - res = POLLPRI; + /* If there are subscribed events, then only use the new event + API instead of the old video.h based API. */ + if (!list_empty(&id->fh.events->subscribed)) { + poll_wait(filp, &id->fh.events->wait, wait); + /* Turn off the old-style vsync events */ + clear_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags); + if (v4l2_event_pending(&id->fh)) + res = POLLPRI; + } else { + /* This is the old-style API which is here only for backwards + compatibility. */ + poll_wait(filp, &s->waitq, wait); + set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags); + if (test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags) || + test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags)) + res = POLLPRI; + } /* Allow write if buffers are available for writing */ if (s->q_free.buffers) @@ -733,7 +746,7 @@ unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table *wait) unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait) { - struct ivtv_open_id *id = filp->private_data; + struct ivtv_open_id *id = fh2id(filp->private_data); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; int eof = test_bit(IVTV_F_S_STREAMOFF, &s->s_flags); @@ -810,6 +823,12 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts) IVTV_DEBUG_FILE("close() of %s\n", s->name); + if (id->type == IVTV_DEC_STREAM_TYPE_YUV && + test_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags)) { + /* Restore registers we've changed & clean up any mess */ + ivtv_yuv_close(itv); + } + /* Stop decoding */ if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) { IVTV_DEBUG_INFO("close stopping decode\n"); @@ -819,10 +838,7 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts) } clear_bit(IVTV_F_S_APPL_IO, &s->s_flags); clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); - if (id->type == IVTV_DEC_STREAM_TYPE_YUV && test_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags)) { - /* Restore registers we've changed & clean up any mess we've made */ - ivtv_yuv_close(itv); - } + if (itv->output_mode == OUT_UDMA_YUV && id->yuv_frames) itv->output_mode = OUT_NONE; @@ -833,13 +849,16 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts) int ivtv_v4l2_close(struct file *filp) { - struct ivtv_open_id *id = filp->private_data; + struct v4l2_fh *fh = filp->private_data; + struct ivtv_open_id *id = fh2id(fh); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; IVTV_DEBUG_FILE("close %s\n", s->name); - v4l2_prio_close(&itv->prio, &id->prio); + v4l2_prio_close(&itv->prio, id->prio); + v4l2_fh_del(fh); + v4l2_fh_exit(fh); /* Easy case first: this stream was never claimed by us */ if (s->id != id->open_id) { @@ -895,6 +914,7 @@ static int ivtv_serialized_open(struct ivtv_stream *s, struct file *filp) { struct ivtv *itv = s->itv; struct ivtv_open_id *item; + int res = 0; IVTV_DEBUG_FILE("open %s\n", s->name); @@ -915,17 +935,27 @@ static int ivtv_serialized_open(struct ivtv_stream *s, struct file *filp) } /* Allocate memory */ - item = kmalloc(sizeof(struct ivtv_open_id), GFP_KERNEL); + item = kzalloc(sizeof(struct ivtv_open_id), GFP_KERNEL); if (NULL == item) { IVTV_DEBUG_WARN("nomem on v4l2 open\n"); return -ENOMEM; } + v4l2_fh_init(&item->fh, s->vdev); + if (s->type == IVTV_DEC_STREAM_TYPE_YUV || + s->type == IVTV_DEC_STREAM_TYPE_MPG) { + res = v4l2_event_alloc(&item->fh, 60); + } + if (res < 0) { + v4l2_fh_exit(&item->fh); + kfree(item); + return res; + } item->itv = itv; item->type = s->type; v4l2_prio_open(&itv->prio, &item->prio); item->open_id = itv->open_id++; - filp->private_data = item; + filp->private_data = &item->fh; if (item->type == IVTV_ENC_STREAM_TYPE_RAD) { /* Try to claim this stream */ @@ -940,6 +970,7 @@ static int ivtv_serialized_open(struct ivtv_stream *s, struct file *filp) /* switching to radio while capture is in progress is not polite */ ivtv_release_stream(s); + v4l2_fh_exit(&item->fh); kfree(item); return -EBUSY; } @@ -970,6 +1001,7 @@ static int ivtv_serialized_open(struct ivtv_stream *s, struct file *filp) 1080 * ((itv->yuv_info.v4l2_src_h + 31) & ~31); itv->yuv_info.stream_size = 0; } + v4l2_fh_add(&item->fh); return 0; } |