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-rw-r--r--drivers/media/dvb/ttpci/av7110_av.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c
index aef6e36d7c5..3e6b650fbb8 100644
--- a/drivers/media/dvb/ttpci/av7110_av.c
+++ b/drivers/media/dvb/ttpci/av7110_av.c
@@ -966,6 +966,7 @@ static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x
static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock)
{
int i, n;
+ int progressive = 0;
dprintk(2, "av7110:%p, \n", av7110);
@@ -974,6 +975,14 @@ static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len
return -EBUSY;
}
+ for (i = 0; i < len - 5; i++) {
+ /* get progressive flag from picture extension */
+ if (buf[i] == 0x00 && buf[i+1] == 0x00 &&
+ buf[i+2] == 0x01 && (unsigned char)buf[i+3] == 0xb5 &&
+ (buf[i+4] & 0xf0) == 0x10)
+ progressive = buf[i+5] & 0x08;
+ }
+
/* setting n always > 1, fixes problems when playing stillframes
consisting of I- and P-Frames */
n = MIN_IFRAME / len + 1;
@@ -985,7 +994,11 @@ static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len
dvb_play(av7110, buf, len, 0, 1);
av7110_ipack_flush(&av7110->ipack[1]);
- return 0;
+
+ if (progressive)
+ return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
+ else
+ return 0;
}