frodovdr/vdr-plugin-softhddevice
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Fix fast backward with some h264 streams.

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This commit is contained in:
Johns
2012-03-06 15:38:30 +01:00
parent 340816d763
commit 129c139ed7
2 changed files with 43 additions and 1 deletions
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1
ChangeLog
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@@ -1,6 +1,7 @@
User johns
Date:
Fix fast backward with some h264 streams.
Make soft start sync setup menu configurable.
Fix bug: StillPicture NAL end of sequence is 10 and not 0x10.
Fix bug: AudioEnqueue crash without sound card.

43
softhddev.c
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@@ -47,6 +47,10 @@
#include "video.h"
#include "codec.h"
#ifdef DEBUG
static int H264Dump(const uint8_t * data, int size);
#endif
//////////////////////////////////////////////////////////////////////////////
// Variables
//////////////////////////////////////////////////////////////////////////////
@@ -1264,6 +1268,7 @@ static void VideoNextPacket(int codec_id)
memset(avpkt->data + avpkt->stream_index, 0, FF_INPUT_BUFFER_PADDING_SIZE);
avpkt->priv = (void *)(size_t) codec_id;
//H264Dump(avpkt->data, avpkt->stream_index);
// advance packet write
VideoPacketWrite = (VideoPacketWrite + 1) % VIDEO_PACKET_MAX;
@@ -1500,6 +1505,30 @@ static void StopVideo(void)
#ifdef DEBUG
/**
** Dump h264 video packet.
**
** Function to Dump a h264 packet, not needed.
*/
static int H264Dump(const uint8_t * data, int size)
{
printf("H264:");
do {
if (size < 4) {
printf("\n");
return -1;
}
if (!data[0] && !data[1] && data[2] == 0x01) {
printf("%02x ", data[3]);
}
++data;
--size;
} while (size);
printf("\n");
return 0;
}
/**
** Validate mpeg video packet.
**
@@ -1629,6 +1658,18 @@ int PlayVideo(const uint8_t * data, int size)
if ((data[6] & 0xC0) == 0x80 && z > 2 && check[0] == 0x01
&& check[1] == 0x09) {
if (VideoCodecID == CODEC_ID_H264) {
if (VideoTrickSpeed && pts != (int64_t) AV_NOPTS_VALUE) {
// H264 NAL End of Sequence
static uint8_t seq_end_h264[] =
{ 0x00, 0x00, 0x00, 0x01, 0x0A };
// NAL SPS sequence parameter set
if ((check[7] & 0x1F) == 0x07) {
VideoNextPacket(CODEC_ID_H264);
VideoEnqueue(AV_NOPTS_VALUE, seq_end_h264,
sizeof(seq_end_h264));
}
}
VideoNextPacket(CODEC_ID_H264);
} else {
Debug(3, "video: h264 detected\n");
@@ -1941,7 +1982,7 @@ void StillPicture(const uint8_t * data, int size)
}
// wait for empty buffers
for (i = 0; VideoGetBuffers() && i < 10; ++i) {
for (i = 0; VideoGetBuffers() && i < 30; ++i) {
usleep(10 * 1000);
}
Debug(3, "[softhddev]%s: buffers %d\n", __FUNCTION__, VideoGetBuffers());