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path: root/drivers/media/dvb/ttpci/av7110_av.c
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Diffstat (limited to 'drivers/media/dvb/ttpci/av7110_av.c')
-rw-r--r--drivers/media/dvb/ttpci/av7110_av.c124
1 files changed, 91 insertions, 33 deletions
diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c
index e4d0900d512..53884814161 100644
--- a/drivers/media/dvb/ttpci/av7110_av.c
+++ b/drivers/media/dvb/ttpci/av7110_av.c
@@ -89,6 +89,7 @@
static void p_to_t(u8 const *buf, long int length, u16 pid,
u8 *counter, struct dvb_demux_feed *feed);
+static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len);
int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
@@ -192,8 +193,6 @@ int av7110_av_start_play(struct av7110 *av7110, int av)
ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
break;
}
- if (!ret)
- ret = av7110->playing;
return ret;
}
@@ -437,6 +436,45 @@ static void play_audio_cb(u8 *buf, int count, void *priv)
aux_ring_buffer_write(&av7110->aout, buf, count);
}
+
+#define FREE_COND_TS (dvb_ringbuffer_free(rb) >= 4096)
+
+static ssize_t ts_play(struct av7110 *av7110, const char __user *buf,
+ unsigned long count, int nonblock, int type)
+{
+ struct dvb_ringbuffer *rb;
+ u8 *kb;
+ unsigned long todo = count;
+
+ dprintk(2, "%s: type %d cnt %lu\n", __func__, type, count);
+
+ rb = (type) ? &av7110->avout : &av7110->aout;
+ kb = av7110->kbuf[type];
+
+ if (!kb)
+ return -ENOBUFS;
+
+ if (nonblock && !FREE_COND_TS)
+ return -EWOULDBLOCK;
+
+ while (todo >= TS_SIZE) {
+ if (!FREE_COND_TS) {
+ if (nonblock)
+ return count - todo;
+ if (wait_event_interruptible(rb->queue, FREE_COND_TS))
+ return count - todo;
+ }
+ if (copy_from_user(kb, buf, TS_SIZE))
+ return -EFAULT;
+ write_ts_to_decoder(av7110, type, kb, TS_SIZE);
+ todo -= TS_SIZE;
+ buf += TS_SIZE;
+ }
+
+ return count - todo;
+}
+
+
#define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
@@ -780,11 +818,37 @@ static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
}
+static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len)
+{
+ struct ipack *ipack = &av7110->ipack[type];
+
+ if (buf[1] & TRANS_ERROR) {
+ av7110_ipack_reset(ipack);
+ return -1;
+ }
+
+ if (!(buf[3] & PAYLOAD))
+ return -1;
+
+ if (buf[1] & PAY_START)
+ av7110_ipack_flush(ipack);
+
+ if (buf[3] & ADAPT_FIELD) {
+ len -= buf[4] + 1;
+ buf += buf[4] + 1;
+ if (!len)
+ return 0;
+ }
+
+ av7110_ipack_instant_repack(buf + 4, len - 4, ipack);
+ return 0;
+}
+
+
int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
{
struct dvb_demux *demux = feed->demux;
struct av7110 *av7110 = (struct av7110 *) demux->priv;
- struct ipack *ipack = &av7110->ipack[feed->pes_type];
dprintk(2, "av7110:%p, \n", av7110);
@@ -804,20 +868,7 @@ int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t l
return -1;
}
- if (!(buf[3] & 0x10)) /* no payload? */
- return -1;
- if (buf[1] & 0x40)
- av7110_ipack_flush(ipack);
-
- if (buf[3] & 0x20) { /* adaptation field? */
- len -= buf[4] + 1;
- buf += buf[4] + 1;
- if (!len)
- return 0;
- }
-
- av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
- return 0;
+ return write_ts_to_decoder(av7110, feed->pes_type, buf, len);
}
@@ -916,6 +967,7 @@ static ssize_t dvb_video_write(struct file *file, const char __user *buf,
{
struct dvb_device *dvbdev = file->private_data;
struct av7110 *av7110 = dvbdev->priv;
+ unsigned char c;
dprintk(2, "av7110:%p, \n", av7110);
@@ -925,7 +977,12 @@ static ssize_t dvb_video_write(struct file *file, const char __user *buf,
if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
return -EPERM;
- return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
+ if (get_user(c, buf))
+ return -EFAULT;
+ if (c == 0x47 && count % TS_SIZE == 0)
+ return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
+ else
+ return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
}
static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
@@ -952,6 +1009,7 @@ static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
{
struct dvb_device *dvbdev = file->private_data;
struct av7110 *av7110 = dvbdev->priv;
+ unsigned char c;
dprintk(2, "av7110:%p, \n", av7110);
@@ -959,7 +1017,13 @@ static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
printk(KERN_ERR "not audio source memory\n");
return -EPERM;
}
- return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
+
+ if (get_user(c, buf))
+ return -EFAULT;
+ if (c == 0x47 && count % TS_SIZE == 0)
+ return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
+ else
+ return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
}
static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
@@ -1062,7 +1126,6 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
if (ret)
break;
}
-
if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
if (av7110->playing == RP_AV) {
ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
@@ -1122,20 +1185,16 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
case VIDEO_SET_DISPLAY_FORMAT:
{
video_displayformat_t format = (video_displayformat_t) arg;
-
switch (format) {
case VIDEO_PAN_SCAN:
av7110->display_panscan = VID_PAN_SCAN_PREF;
break;
-
case VIDEO_LETTER_BOX:
av7110->display_panscan = VID_VC_AND_PS_PREF;
break;
-
case VIDEO_CENTER_CUT_OUT:
av7110->display_panscan = VID_CENTRE_CUT_PREF;
break;
-
default:
ret = -EINVAL;
}
@@ -1183,7 +1242,8 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
case VIDEO_SLOWMOTION:
if (av7110->playing&RP_VIDEO) {
- ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
+ if (av7110->trickmode != TRICK_SLOW)
+ ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
if (!ret)
ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
} else {
@@ -1207,7 +1267,6 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
case VIDEO_CLEAR_BUFFER:
dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
av7110_ipack_reset(&av7110->ipack[1]);
-
if (av7110->playing == RP_AV) {
ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
__Play, 2, AV_PES, 0);
@@ -1228,13 +1287,13 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
break;
case VIDEO_SET_STREAMTYPE:
-
break;
default:
ret = -ENOIOCTLCMD;
break;
}
+
return ret;
}
@@ -1309,7 +1368,6 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
case AUDIO_CHANNEL_SELECT:
av7110->audiostate.channel_select = (audio_channel_select_t) arg;
-
switch(av7110->audiostate.channel_select) {
case AUDIO_STEREO:
ret = audcom(av7110, AUDIO_CMD_STEREO);
@@ -1320,7 +1378,6 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
}
break;
-
case AUDIO_MONO_LEFT:
ret = audcom(av7110, AUDIO_CMD_MONO_L);
if (!ret) {
@@ -1330,7 +1387,6 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
}
break;
-
case AUDIO_MONO_RIGHT:
ret = audcom(av7110, AUDIO_CMD_MONO_R);
if (!ret) {
@@ -1340,7 +1396,6 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
}
break;
-
default:
ret = -EINVAL;
break;
@@ -1366,21 +1421,24 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
__Play, 2, AV_PES, 0);
break;
- case AUDIO_SET_ID:
+ case AUDIO_SET_ID:
break;
+
case AUDIO_SET_MIXER:
{
struct audio_mixer *amix = (struct audio_mixer *)parg;
-
ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
break;
}
+
case AUDIO_SET_STREAMTYPE:
break;
+
default:
ret = -ENOIOCTLCMD;
}
+
return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-14 08:57:44 +0000