static int start_streaming(struct vb2_queue *vq, unsigned int count) { struct saa7134_dmaqueue *dmaq = vq->drv_priv; struct saa7134_dev *dev = dmaq->dev; u32 leading_null_bytes = 0; int err; err = saa7134_ts_start_streaming(vq, count); if (err) return err; /* If more cards start to need this, then this should probably be added to the card definitions. */ switch (dev->board) { case SAA7134_BOARD_BEHOLD_M6: case SAA7134_BOARD_BEHOLD_M63: case SAA7134_BOARD_BEHOLD_M6_EXTRA: leading_null_bytes = 1; break; } saa_call_all(dev, core, init, leading_null_bytes); /* Unmute audio */ saa_writeb(SAA7134_AUDIO_MUTE_CTRL, saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6)); dev->empress_started = 1; return 0; }
static int empress_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_dev *dev = file->private_data; saa_call_all(dev, video, s_fmt, f); f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; return 0; }
static int empress_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_dev *dev = file->private_data; struct v4l2_mbus_framefmt mbus_fmt; v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); saa_call_all(dev, video, s_mbus_fmt, &mbus_fmt); v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; return 0; }
static int empress_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_dev *dev = video_drvdata(file); struct v4l2_mbus_framefmt mbus_fmt; saa_call_all(dev, video, g_mbus_fmt, &mbus_fmt); v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; f->fmt.pix.bytesperline = 0; return 0; }
static int ts_init_encoder(struct saa7134_dev* dev) { u32 leading_null_bytes = 0; /* If more cards start to need this, then this should probably be added to the card definitions. */ switch (dev->board) { case SAA7134_BOARD_BEHOLD_M6: case SAA7134_BOARD_BEHOLD_M63: case SAA7134_BOARD_BEHOLD_M6_EXTRA: leading_null_bytes = 1; break; } ts_reset_encoder(dev); saa_call_all(dev, core, init, leading_null_bytes); dev->empress_started = 1; return 0; }
static int empress_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_dev *dev = video_drvdata(file); struct v4l2_subdev_format format = { .which = V4L2_SUBDEV_FORMAT_ACTIVE, }; v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); saa_call_all(dev, pad, set_fmt, NULL, &format); v4l2_fill_pix_format(&f->fmt.pix, &format.format); f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; f->fmt.pix.bytesperline = 0; return 0; }