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g72x support

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3427 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-12-10 01:34:36 +00:00
parent 58f834675f
commit 55b5ba4580
1 changed files with 23 additions and 0 deletions
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23
dec_audio.c
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@ -30,6 +30,8 @@ extern int verbose; // defined in mplayer.c
static sample_t * a52_samples;
static a52_state_t a52_state;
#include "g72x/g72x.h"
static G72x_DATA g72x_data;
#include "alaw.h"
@ -285,6 +287,13 @@ case AFM_MPEG:
// MPEG Audio:
sh_audio->audio_out_minsize=4608;
break;
case AFM_G72X:
// g72x_reader_init(&g72x_data,G723_16_BITS_PER_SAMPLE);
g72x_reader_init(&g72x_data,G723_24_BITS_PER_SAMPLE);
// g72x_reader_init(&g72x_data,G721_32_BITS_PER_SAMPLE);
// g72x_reader_init(&g72x_data,G721_40_BITS_PER_SAMPLE);
sh_audio->audio_out_minsize=g72x_data.samplesperblock*4;
break;
case AFM_FFMPEG:
#ifndef USE_LIBAVCODEC
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_NoLAVCsupport);
@ -436,6 +445,13 @@ case AFM_ALAW: {
sh_audio->i_bps=sh_audio->channels*sh_audio->samplerate;
break;
}
case AFM_G72X: {
// GSM 723 audio codec:
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps=(sh_audio->samplerate/g72x_data.samplesperblock)*g72x_data.blocksize;
break;
}
#ifdef USE_LIBAVCODEC
case AFM_FFMPEG: {
int x;
@ -880,6 +896,13 @@ int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen){
len=2*320;
break;
}
case AFM_G72X: // GSM 723 decoder
{ if(demux_read_data(sh_audio->ds,g72x_data.block, g72x_data.blocksize)!=g72x_data.blocksize) break; // EOF
g72x_decode_block(&g72x_data);
len=2*g72x_data.samplesperblock;
memcpy(buf,g72x_data.samples,len);
break;
}
case AFM_IMA4: // IMA-ADPCM 4:1 audio codec:
{ unsigned char ibuf[IMA4_BLOCK_SIZE]; // bytes / frame
if(demux_read_data(sh_audio->ds,ibuf,IMA4_BLOCK_SIZE)!=IMA4_BLOCK_SIZE) break; // EOF