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path: root/drivers/media/usb
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Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/ttusb-dec/ttusb_dec.c58
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index 4e7671a3a1e4..35d5003ff809 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -36,7 +36,6 @@
#include "dmxdev.h"
#include "dvb_demux.h"
-#include "dvb_filter.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "ttusbdecfe.h"
@@ -92,6 +91,15 @@ enum ttusb_dec_interface {
TTUSB_DEC_INTERFACE_OUT
};
+typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *);
+
+struct dvb_filter_pes2ts {
+ unsigned char buf[188];
+ unsigned char cc;
+ dvb_filter_pes2ts_cb_t *cb;
+ void *priv;
+};
+
struct ttusb_dec {
enum ttusb_dec_model model;
char *model_name;
@@ -201,6 +209,54 @@ static u16 rc_keys[] = {
KEY_RADIO
};
+static void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts,
+ unsigned short pid,
+ dvb_filter_pes2ts_cb_t *cb, void *priv)
+{
+ unsigned char *buf=p2ts->buf;
+
+ buf[0]=0x47;
+ buf[1]=(pid>>8);
+ buf[2]=pid&0xff;
+ p2ts->cc=0;
+ p2ts->cb=cb;
+ p2ts->priv=priv;
+}
+
+static int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts,
+ unsigned char *pes, int len, int payload_start)
+{
+ unsigned char *buf=p2ts->buf;
+ int ret=0, rest;
+
+ //len=6+((pes[4]<<8)|pes[5]);
+
+ if (payload_start)
+ buf[1]|=0x40;
+ else
+ buf[1]&=~0x40;
+ while (len>=184) {
+ buf[3]=0x10|((p2ts->cc++)&0x0f);
+ memcpy(buf+4, pes, 184);
+ if ((ret=p2ts->cb(p2ts->priv, buf)))
+ return ret;
+ len-=184; pes+=184;
+ buf[1]&=~0x40;
+ }
+ if (!len)
+ return 0;
+ buf[3]=0x30|((p2ts->cc++)&0x0f);
+ rest=183-len;
+ if (rest) {
+ buf[5]=0x00;
+ if (rest-1)
+ memset(buf+6, 0xff, rest-1);
+ }
+ buf[4]=rest;
+ memcpy(buf+5+rest, pes, len);
+ return p2ts->cb(p2ts->priv, buf);
+}
+
static void ttusb_dec_set_model(struct ttusb_dec *dec,
enum ttusb_dec_model model);