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Code Issues Releases Wiki Activity

ad_msgsm added 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5346 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-03-25 22:25:58 +00:00
parent b1b5f20978
commit 5be3590253
3 changed files with 60 additions and 1 deletions
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2
libmpcodecs/Makefile
View File

@ -3,7 +3,7 @@ include ../config.mak
LIBNAME = libmpcodecs.a
AUDIO_SRCS=dec_audio.c ad.c ad_a52.c ad_acm.c ad_alaw.c ad_dk3adpcm.c ad_dk4adpcm.c ad_dshow.c ad_dvdpcm.c ad_ffmpeg.c ad_hwac3.c ad_imaadpcm.c ad_mp3.c ad_msadpcm.c ad_pcm.c ad_roqaudio.c
AUDIO_SRCS=dec_audio.c ad.c ad_a52.c ad_acm.c ad_alaw.c ad_dk3adpcm.c ad_dk4adpcm.c ad_dshow.c ad_dvdpcm.c ad_ffmpeg.c ad_hwac3.c ad_imaadpcm.c ad_mp3.c ad_msadpcm.c ad_pcm.c ad_roqaudio.c ad_msgsm.c
VIDEO_SRCS=dec_video.c vd.c vd_null.c vd_cinepak.c vd_qtrpza.c vd_ffmpeg.c vd_dshow.c vd_vfw.c vd_odivx.c vd_divx4.c vd_raw.c vd_xanim.c vd_msvidc.c vd_fli.c vd_qtrle.c vd_qtsmc.c vd_roqvideo.c vd_cyuv.c vd_nuv.c vd_libmpeg2.c vd_msrle.c vd_huffyuv.c vd_zlib.c
ifeq ($(PNG),yes)

2
libmpcodecs/ad.c
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@ -30,6 +30,7 @@ extern ad_functions_t mpcodecs_ad_dk3adpcm;
extern ad_functions_t mpcodecs_ad_roqaudio;
extern ad_functions_t mpcodecs_ad_dshow;
extern ad_functions_t mpcodecs_ad_acm;
extern ad_functions_t mpcodecs_ad_msgsm;
ad_functions_t* mpcodecs_ad_drivers[] =
{
@ -48,6 +49,7 @@ ad_functions_t* mpcodecs_ad_drivers[] =
&mpcodecs_ad_dk4adpcm,
&mpcodecs_ad_dk3adpcm,
&mpcodecs_ad_roqaudio,
&mpcodecs_ad_msgsm,
#ifdef USE_WIN32DLL
#ifdef USE_DIRECTSHOW
&mpcodecs_ad_dshow,

57
libmpcodecs/ad_msgsm.c Normal file
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@ -0,0 +1,57 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"native MSGSM audio decoder",
"msgsm",
AFM_GSM,
"A'rpi",
"XAnim",
""
};
LIBAD_EXTERN(msgsm)
#include "xa/xa_gsm.h"
static int init(sh_audio_t *sh_audio)
{
if(!sh_audio->wf) return 0;
// MS-GSM audio codec:
GSM_Init();
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
// decodes 65 byte -> 320 short
// 1 sec: sh_audio->channels*sh_audio->samplerate samples
// 1 frame: 320 samples
sh_audio->i_bps=65*(sh_audio->channels*sh_audio->samplerate)/320; // 1:10
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
sh_audio->audio_out_minsize=4*320;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
unsigned char ibuf[65]; // 65 bytes / frame
if(demux_read_data(sh_audio->ds,ibuf,65)!=65) return -1; // EOF
XA_MSGSM_Decoder(ibuf,(unsigned short *) buf); // decodes 65 byte -> 320 short
return 2*320;
}