diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-streams.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-streams.c | 116 |
1 files changed, 68 insertions, 48 deletions
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index fd135985e70f..aa03e61ef310 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -166,10 +166,9 @@ static void ivtv_stream_init(struct ivtv *itv, int type) ivtv_queue_init(&s->q_io); } -static int ivtv_reg_dev(struct ivtv *itv, int type) +static int ivtv_prep_dev(struct ivtv *itv, int type) { struct ivtv_stream *s = &itv->streams[type]; - int vfl_type = ivtv_stream_info[type].vfl_type; int minor_offset = ivtv_stream_info[type].minor_offset; int minor; @@ -187,15 +186,12 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return 0; - if (minor_offset >= 0) - /* card number + user defined offset + device offset */ - minor = itv->num + ivtv_first_minor + minor_offset; - else - minor = -1; + /* card number + user defined offset + device offset */ + minor = itv->num + ivtv_first_minor + minor_offset; /* User explicitly selected 0 buffers for these streams, so don't create them. */ - if (minor >= 0 && ivtv_stream_info[type].dma != PCI_DMA_NONE && + if (ivtv_stream_info[type].dma != PCI_DMA_NONE && itv->options.kilobytes[type] == 0) { IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name); return 0; @@ -223,21 +219,53 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) s->v4l2dev->fops = ivtv_stream_info[type].fops; s->v4l2dev->release = video_device_release; - if (minor >= 0) { - /* Register device. First try the desired minor, then any free one. */ - if (video_register_device(s->v4l2dev, vfl_type, minor) && - video_register_device(s->v4l2dev, vfl_type, -1)) { - IVTV_ERR("Couldn't register v4l2 device for %s minor %d\n", - s->name, minor); - video_device_release(s->v4l2dev); - s->v4l2dev = NULL; - return -ENOMEM; - } + return 0; +} + +/* Initialize v4l2 variables and prepare v4l2 devices */ +int ivtv_streams_setup(struct ivtv *itv) +{ + int type; + + /* Setup V4L2 Devices */ + for (type = 0; type < IVTV_MAX_STREAMS; type++) { + /* Prepare device */ + if (ivtv_prep_dev(itv, type)) + break; + + if (itv->streams[type].v4l2dev == NULL) + continue; + + /* Allocate Stream */ + if (ivtv_stream_alloc(&itv->streams[type])) + break; } - else { - /* Don't register a 'hidden' stream (OSD) */ - IVTV_INFO("Created framebuffer stream for %s\n", s->name); + if (type == IVTV_MAX_STREAMS) return 0; + + /* One or more streams could not be initialized. Clean 'em all up. */ + ivtv_streams_cleanup(itv); + return -ENOMEM; +} + +static int ivtv_reg_dev(struct ivtv *itv, int type) +{ + struct ivtv_stream *s = &itv->streams[type]; + int vfl_type = ivtv_stream_info[type].vfl_type; + int minor; + + if (s->v4l2dev == NULL) + return 0; + + minor = s->v4l2dev->minor; + /* Register device. First try the desired minor, then any free one. */ + if (video_register_device(s->v4l2dev, vfl_type, minor) && + video_register_device(s->v4l2dev, vfl_type, -1)) { + IVTV_ERR("Couldn't register v4l2 device for %s minor %d\n", + s->name, minor); + video_device_release(s->v4l2dev); + s->v4l2dev = NULL; + return -ENOMEM; } switch (vfl_type) { @@ -262,27 +290,18 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) return 0; } -/* Initialize v4l2 variables and register v4l2 devices */ -int ivtv_streams_setup(struct ivtv *itv) +/* Register v4l2 devices */ +int ivtv_streams_register(struct ivtv *itv) { int type; + int err = 0; - /* Setup V4L2 Devices */ - for (type = 0; type < IVTV_MAX_STREAMS; type++) { - /* Register Device */ - if (ivtv_reg_dev(itv, type)) - break; - - if (itv->streams[type].v4l2dev == NULL) - continue; + /* Register V4L2 devices */ + for (type = 0; type < IVTV_MAX_STREAMS; type++) + err |= ivtv_reg_dev(itv, type); - /* Allocate Stream */ - if (ivtv_stream_alloc(&itv->streams[type])) - break; - } - if (type == IVTV_MAX_STREAMS) { + if (err == 0) return 0; - } /* One or more streams could not be initialized. Clean 'em all up. */ ivtv_streams_cleanup(itv); @@ -303,11 +322,8 @@ void ivtv_streams_cleanup(struct ivtv *itv) continue; ivtv_stream_free(&itv->streams[type]); - /* Free Device */ - if (vdev->minor == -1) /* 'Hidden' never registered stream (OSD) */ - video_device_release(vdev); - else /* All others, just unregister. */ - video_unregister_device(vdev); + /* Unregister device */ + video_unregister_device(vdev); } } @@ -425,6 +441,7 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv *itv = s->itv; + struct cx2341x_mpeg_params *p = &itv->params; int captype = 0, subtype = 0; int enable_passthrough = 0; @@ -445,7 +462,7 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) } itv->mpg_data_received = itv->vbi_data_inserted = 0; itv->dualwatch_jiffies = jiffies; - itv->dualwatch_stereo_mode = itv->params.audio_properties & 0x0300; + itv->dualwatch_stereo_mode = p->audio_properties & 0x0300; itv->search_pack_header = 0; break; @@ -477,9 +494,6 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) s->subtype = subtype; s->buffers_stolen = 0; - /* mute/unmute video */ - ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? 1 : 0); - /* Clear Streamoff flags in case left from last capture */ clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); @@ -536,7 +550,12 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) itv->pgm_info_offset, itv->pgm_info_num); /* Setup API for Stream */ - cx2341x_update(itv, ivtv_api_func, NULL, &itv->params); + cx2341x_update(itv, ivtv_api_func, NULL, p); + + /* mute if capturing radio */ + if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) + ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, + 1 | (p->video_mute_yuv << 8)); } /* Vsync Setup */ @@ -585,6 +604,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv *itv = s->itv; + struct cx2341x_mpeg_params *p = &itv->params; int datatype; if (s->v4l2dev == NULL) @@ -623,7 +643,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) break; } if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype, - itv->params.width, itv->params.height, itv->params.audio_properties)) { + p->width, p->height, p->audio_properties)) { IVTV_DEBUG_WARN("Couldn't initialize decoder source\n"); } return 0; |