[MPlayer-dev-eng] [PATCH] To Play TTA in MKA
zo came
camezo at gmail.com
Mon Nov 20 16:37:17 CET 2006
Sorry, I try again...
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Index: libmpdemux/matroska.h
===================================================================
--- libmpdemux/matroska.h (revision 21097)
+++ libmpdemux/matroska.h (working copy)
@@ -35,6 +35,7 @@
#define MKV_A_QDMC "A_QUICKTIME/QDMC"
#define MKV_A_QDMC2 "A_QUICKTIME/QDM2"
#define MKV_A_FLAC "A_FLAC"
+#define MKV_A_TTA "A_TTA1"
#define MKV_V_MSCOMP "V_MS/VFW/FOURCC"
#define MKV_V_REALV10 "V_REAL/RV10"
Index: libmpdemux/demux_mkv.c
===================================================================
--- libmpdemux/demux_mkv.c (revision 21097)
+++ libmpdemux/demux_mkv.c (working copy)
@@ -2068,6 +2068,10 @@
}
track->a_formattag = mmioFOURCC ('f', 'L', 'a', 'C');
}
+ else if (!strcmp(track->codec_id, MKV_A_TTA))
+ {
+ track->a_formattag = 0x77A1;
+ }
else if (track->private_size >= sizeof (real_audio_v4_props_t))
{
if (!strcmp(track->codec_id, MKV_A_REAL28))
@@ -2307,6 +2311,37 @@
dp->flags = 0;
ds_add_packet (demuxer->audio, dp);
}
+ else if (track->a_formattag == 0x77A1) /* TTA */
+ {
+ /* Create TTA Header. not sure */
+ struct __attribute__((__packed__)) {
+ char format[4];
+ uint16_t aformat;
+ uint16_t channels;
+ uint16_t bps;
+ uint32_t sfreq;
+ uint32_t slen;
+ uint32_t crc; /*dummy*/
+ uint32_t seektable[2]; /*dummy*/
+ } tta_head; /* need sizeof >= 30 */
+ sh_a->wf->nAvgBytesPerSec = sh_a->channels * sh_a->samplerate*2;
+ sh_a->wf->nBlockAlign = sh_a->wf->nAvgBytesPerSec;
+ sh_a->format = mmioFOURCC('T', 'T', 'A', '1');
+ sh_a->wf->cbSize = sizeof(tta_head);
+ sh_a->wf = realloc (sh_a->wf,
+ sizeof (WAVEFORMATEX) + sh_a->wf->cbSize);
+ memcpy(&tta_head.format[0],(char *)&(sh_a->format),4);
+#define FORMAT_INT 1
+ tta_head.aformat = le2me_16(FORMAT_INT);
+ tta_head.channels = le2me_16(track->a_channels);
+ tta_head.bps = le2me_16(track->a_bps);
+ tta_head.sfreq = le2me_32((uint32_t)(track->a_sfreq));
+ tta_head.slen = le2me_32((uint32_t)(mkv_d->duration * track->a_sfreq));
+ tta_head.crc = le2me_32(0);
+ tta_head.seektable[0] = le2me_32(0);
+ tta_head.seektable[1] = le2me_32(0);
+ memcpy((char *)(sh_a->wf + 1),(char *)&tta_head,sh_a->wf->cbSize);
+ }
else if (!track->ms_compat || (track->private_size < sizeof(WAVEFORMATEX)))
{
free_sh_audio(demuxer, track->tnum);
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