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ms\0x00\x11 support

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8104 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-11-04 20:31:46 +00:00
parent 1c68e5af4b
commit 4cd4fd0745
1 changed files with 4 additions and 2 deletions
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6
libmpcodecs/ad_imaadpcm.c
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@ -13,6 +13,7 @@
0x61: DK4 ADPCM found in certain AVI files on Sega Saturn CD-ROMs; 0x61: DK4 ADPCM found in certain AVI files on Sega Saturn CD-ROMs;
note that this is a 'rogue' format number in that it was note that this is a 'rogue' format number in that it was
never officially registered with Microsoft never officially registered with Microsoft
0x1100736d: IMA ADPCM coded like in MS AVI/ASF/WAV found in QT files
*/ */
#include <stdio.h> #include <stdio.h>
@ -86,7 +87,8 @@ static int preinit(sh_audio_t *sh_audio)
// if format is "ima4", assume the audio is coming from a QT file which // if format is "ima4", assume the audio is coming from a QT file which
// indicates constant block size, whereas an AVI/ASF/WAV file will fill // indicates constant block size, whereas an AVI/ASF/WAV file will fill
// in this field with 0x11 // in this field with 0x11
if ((sh_audio->format == 0x11) || (sh_audio->format == 0x61)) if ((sh_audio->format == 0x11) || (sh_audio->format == 0x61) ||
(sh_audio->format == 0x1100736d))
{ {
sh_audio->ds->ss_div = (sh_audio->wf->nBlockAlign - sh_audio->ds->ss_div = (sh_audio->wf->nBlockAlign -
(MS_IMA_ADPCM_PREAMBLE_SIZE * sh_audio->wf->nChannels)) * 2; (MS_IMA_ADPCM_PREAMBLE_SIZE * sh_audio->wf->nChannels)) * 2;
@ -352,7 +354,7 @@ static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int m
sh_audio->ds->ss_mul) sh_audio->ds->ss_mul)
return -1; return -1;
if (sh_audio->format == 0x11) if ((sh_audio->format == 0x11) || (sh_audio->format == 0x1100736d))
{ {
return 2 * ms_ima_adpcm_decode_block( return 2 * ms_ima_adpcm_decode_block(
(unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels, (unsigned short*)buf, sh_audio->a_in_buffer, sh_audio->wf->nChannels,