On Lunes, 17 de Enero de 2011 21:37:06 Reinhard Nissl escribió:
> Hi,
>
> it looks like I can find more time this week to work on vdr-xine.
>
> I've seen some patches for vdr-xine-0.9.3 (and xine-lib) in the
> mailing list which address so far unsupported audio formats if I
> recall correctly, as vdr-xine still uses PES and my c*Repackers.
>
> I'd like to invite you to send them again to me (privately). A
> sample recording would be appreciated too.
>
> Bye.
Attached are two patches to play dolby digital plus audio with vdr-xine. One
for vdr-xine and another for xine-lib. There is an aditional patch to play
dolby digital plus audio with xine-lib and a ts file.
Jose Alberto
diff -ur xine-0.9.3/vdr172remux.c xine-0.9.3.new/vdr172remux.c
--- xine-0.9.3/vdr172remux.c 2009-04-12 13:52:32.000000000 +0200
+++ xine-0.9.3.new/vdr172remux.c 2010-09-29 01:58:34.798000003 +0200
@@ -1703,8 +1703,20 @@
const uchar *Payload = Data + PesPayloadOffset;
const int PayloadCount = Count - PesPayloadOffset;
+ bool ac3;
+ int framesize;
+ unsigned short size;
- if (Data[3] == 0xBD && PayloadCount >= 9 && ((Payload[0] & 0xF0) == 0x80) && Payload[4] == 0x0B && Payload[5] == 0x77 && frameSizes[Payload[8]] > 0) {
+ if (PayloadCount < 10)
+ return -1;
+ ac3 = ((Payload[9] >> 3) & 0x1f) <= 10;
+ if ( ac3)
+ framesize = frameSizes[Payload[8]];
+ else {
+ size = Payload[7] + Payload[6] * 256;
+ framesize = ((size & 0x07FF) + 1) << 1;
+ }
+ if (Data[3] == 0xBD && ((Payload[0] & 0xF0) == 0x80) && Payload[4] == 0x0B && Payload[5] == 0x77 && framesize > 0) {
if (TrackIndex)
*TrackIndex = Payload[0] - 0x80;
@@ -1860,6 +1872,7 @@
int done = 6 + 3 + Data[8];
int todo = Count - done;
const uchar *data = Data + done;
+ unsigned short size;
// look for 0x0B 0x77 <chk1> <chk2> <frameSize>
while (todo > 0) {
@@ -1906,7 +1919,12 @@
state++;
continue;
case get_length:
- ac3todo = 2 * frameSizes[*data];
+ if (((*(data + 1) >> 3) & 0x1f) <= 10)
+ ac3todo = 2 * frameSizes[*data];
+ else {
+ size = chk2 + chk1 * 256;
+ ac3todo = ((size & 0x07FF) + 1) << 1;
+ }
// frameSizeCode was invalid => restart searching
if (ac3todo <= 0) {
// reset PES header instead of using a wrong one
@@ -1971,6 +1989,10 @@
int cDolbyRepacker::BreakAt(const uchar *Data, int Count)
{
+ bool ac3;
+ int framesize;
+ unsigned short size;
+
if (initiallySyncing)
return -1; // fill the packet buffer completely until we have synced once
// enough data for test?
@@ -1984,12 +2006,20 @@
if (ac3todo > 0)
return headerLen + ac3todo;
// enough data for test?
- if (Count < headerLen + 5)
+ if (Count < headerLen + 6)
return -1;
const uchar *data = Data + headerLen;
// break after ac3 frame?
- if (data[0] == 0x0B && data[1] == 0x77 && frameSizes[data[4]] > 0)
- return headerLen + 2 * frameSizes[data[4]];
+ ac3 = ((data[5] >> 3) & 0x1f) <= 10;
+ if ( ac3)
+ framesize = 2 * frameSizes[data[4]];
+ else {
+ size = data[3] + data[2] * 256;
+ framesize = ((size & 0x07FF) + 1) << 1;
+ }
+ if (data[0] == 0x0B && data[1] == 0x77 && framesize > 0)
+ return headerLen + framesize;
+
return -1;
}
diff -r 9679028a161b src/demuxers/demux_mpeg_pes.c
--- a/src/demuxers/demux_mpeg_pes.c Wed Jul 21 15:52:00 2010 +0000
+++ b/src/demuxers/demux_mpeg_pes.c Tue Sep 21 00:54:22 2010 +0200
@@ -103,6 +103,7 @@
uint8_t preview_data[ MAX_PREVIEW_SIZE ];
off_t preview_size, preview_done;
+ uint8_t preview_eac3;
} demux_mpeg_pes_t ;
typedef struct {
@@ -931,10 +932,21 @@
buf->content = p+4;
buf->size = this->packet_len-4;
- if (track & 0x8) {
- buf->type = BUF_AUDIO_DTS + (track & 0x07); /* DVDs only have 8 tracks */
+ if (((p[9] >> 3) & 0x1f) <= 10) {
+ if (track & 0x8) {
+ buf->type = BUF_AUDIO_DTS + (track & 0x07); /* DVDs only have 8 tracks */
+ } else {
+ buf->type = BUF_AUDIO_A52 + track;
+ }
} else {
- buf->type = BUF_AUDIO_A52 + track;
+ buf->type = BUF_AUDIO_EAC3;
+ if (this->preview_eac3 < 2)
+ this->preview_eac3++;
+ if (this->preview_eac3 == 1)
+ buf->decoder_flags = BUF_FLAG_HEADER | BUF_FLAG_FRAME_END;
+ else {
+ buf->decoder_flags |= BUF_FLAG_FRAME_END;
+ }
}
buf->pts = this->pts;
if( !this->preview_mode )
@@ -1548,6 +1560,7 @@
*/
this->last_cell_time = 0;
this->send_newpts = 1;
+ this->preview_eac3 = 0;
if( !playing ) {
this->buf_flag_seek = 0;
diff -r 03d01d484189 src/demuxers/demux_ts.c
--- a/src/demuxers/demux_ts.c Thu Sep 23 18:19:29 2010 +0100
+++ b/src/demuxers/demux_ts.c Sun Oct 03 23:47:39 2010 +0200
@@ -847,7 +847,6 @@
m->type = BUF_SPU_DVD + spu_id;
return 1;
} else if ((p[0] & 0xF0) == 0x80) {
-
m->content = p+4;
m->size = packet_len - 4;
m->type |= BUF_AUDIO_A52;
@@ -969,13 +968,16 @@
m->buf->decoder_info[2] = SPU_DVD_SUBTYPE_PACKAGE;
}
else {
- if (this->numPreview<5)
- ++this->numPreview;
- if ( this->numPreview==1 )
- m->buf->decoder_flags=BUF_FLAG_HEADER | BUF_FLAG_FRAME_END;
- else if ( this->numPreview<5 )
- m->buf->decoder_flags=BUF_FLAG_PREVIEW;
- else
+ if ( (m->buf->type & BUF_AUDIO_BASE) == BUF_AUDIO_BASE) {
+ if (this->numPreview<5)
+ ++this->numPreview;
+ if ( this->numPreview==1 )
+ m->buf->decoder_flags=BUF_FLAG_HEADER | BUF_FLAG_FRAME_END;
+ else if ( this->numPreview<5 )
+ m->buf->decoder_flags=BUF_FLAG_PREVIEW;
+ else
+ m->buf->decoder_flags |= BUF_FLAG_FRAME_END;
+ } else
m->buf->decoder_flags |= BUF_FLAG_FRAME_END;
}
m->buf->pts = m->pts;
@@ -1033,7 +1035,19 @@
m->buf->extra_info->input_time = (int)((int64_t)this->input->get_current_pos (this->input)
* 1000 / (this->rate * 50));
- m->fifo->put(m->fifo, m->buf);
+ if (this->numPreview > 0) {
+ if ( (m->buf->type & BUF_AUDIO_BASE) == BUF_AUDIO_BASE) {
+ if (this->numPreview<5)
+ ++this->numPreview;
+ if ( this->numPreview==1 )
+ m->buf->decoder_flags=BUF_FLAG_HEADER | BUF_FLAG_FRAME_END;
+ else if ( this->numPreview<5 )
+ m->buf->decoder_flags=BUF_FLAG_PREVIEW;
+ }
+ m->fifo->put(m->fifo, m->buf);
+ } else {
+ m->buf->free_buffer(m->buf);
+ }
m->buffered_bytes = 0;
m->buf = m->fifo->buffer_pool_alloc(m->fifo);
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