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mirror of https://github.com/mpv-player/mpv.git synced 2024-09-20 12:02:23 +02:00

imported from MPlayerXP, dlopen() hack removed, some bugs fixed, interface functions changed to static, info->author field added

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5341 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-03-25 21:06:01 +00:00
parent 94d3170bd0
commit 7c026066ea
15 changed files with 1176 additions and 0 deletions

194
libmpcodecs/ad_a52.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "ad_internal.h"
#include "cpudetect.h"
#include "../liba52/a52.h"
#include "../liba52/mm_accel.h"
sample_t * a52_samples;
a52_state_t a52_state;
uint32_t a52_accel=0;
uint32_t a52_flags=0;
#include "bswap.h"
static ad_info_t info =
{
"AC3-liba52",
"liba52",
AFM_A52,
"Nick Kurshev",
"Michel LESPINASSE",
""
};
LIBAD_EXTERN(a52)
extern int audio_output_channels;
int a52_fillbuff(sh_audio_t *sh_audio){
int length=0;
int flags=0;
int sample_rate=0;
int bit_rate=0;
sh_audio->a_in_buffer_len=0;
/* sync frame:*/
while(1){
while(sh_audio->a_in_buffer_len<7){
int c=demux_getc(sh_audio->ds);
if(c<0) return -1; /* EOF*/
sh_audio->a_in_buffer[sh_audio->a_in_buffer_len++]=c;
}
length = a52_syncinfo (sh_audio->a_in_buffer, &flags, &sample_rate, &bit_rate);
if(length>=7 && length<=3840) break; /* we're done.*/
/* bad file => resync*/
memcpy(sh_audio->a_in_buffer,sh_audio->a_in_buffer+1,6);
--sh_audio->a_in_buffer_len;
}
mp_msg(MSGT_DECAUDIO,MSGL_DBG2,"a52: len=%d flags=0x%X %d Hz %d bit/s\n",length,flags,sample_rate,bit_rate);
sh_audio->samplerate=sample_rate;
sh_audio->i_bps=bit_rate/8;
demux_read_data(sh_audio->ds,sh_audio->a_in_buffer+7,length-7);
if(crc16_block(sh_audio->a_in_buffer+2,length-2)!=0)
mp_msg(MSGT_DECAUDIO,MSGL_STATUS,"a52: CRC check failed! \n");
return length;
}
/* returns: number of available channels*/
static int a52_printinfo(sh_audio_t *sh_audio){
int flags, sample_rate, bit_rate;
char* mode="unknown";
int channels=0;
a52_syncinfo (sh_audio->a_in_buffer, &flags, &sample_rate, &bit_rate);
switch(flags&A52_CHANNEL_MASK){
case A52_CHANNEL: mode="channel"; channels=2; break;
case A52_MONO: mode="mono"; channels=1; break;
case A52_STEREO: mode="stereo"; channels=2; break;
case A52_3F: mode="3f";channels=3;break;
case A52_2F1R: mode="2f+1r";channels=3;break;
case A52_3F1R: mode="3f+1r";channels=4;break;
case A52_2F2R: mode="2f+2r";channels=4;break;
case A52_3F2R: mode="3f+2r";channels=5;break;
case A52_CHANNEL1: mode="channel1"; channels=2; break;
case A52_CHANNEL2: mode="channel2"; channels=2; break;
case A52_DOLBY: mode="dolby"; channels=2; break;
}
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"AC3: %d.%d (%s%s) %d Hz %3.1f kbit/s\n",
channels, (flags&A52_LFE)?1:0,
mode, (flags&A52_LFE)?"+lfe":"",
sample_rate, bit_rate*0.001f);
return (flags&A52_LFE) ? (channels+1) : channels;
}
static int preinit(sh_audio_t *sh)
{
/* Dolby AC3 audio: */
/* however many channels, 2 bytes in a word, 256 samples in a block, 6 blocks in a frame */
sh->audio_out_minsize=audio_output_channels*2*256*6;
return 1;
}
static int init(sh_audio_t *sh_audio)
{
sample_t level=1, bias=384;
int flags=0;
/* Dolby AC3 audio:*/
if(gCpuCaps.hasSSE) a52_accel|=MM_ACCEL_X86_SSE;
if(gCpuCaps.hasMMX) a52_accel|=MM_ACCEL_X86_MMX;
if(gCpuCaps.hasMMX2) a52_accel|=MM_ACCEL_X86_MMXEXT;
if(gCpuCaps.has3DNow) a52_accel|=MM_ACCEL_X86_3DNOW;
if(gCpuCaps.has3DNowExt) a52_accel|=MM_ACCEL_X86_3DNOWEXT;
a52_samples=a52_init (a52_accel);
if (a52_samples == NULL) {
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"A52 init failed\n");
return 0;
}
sh_audio->a_in_buffer_size=3840;
sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
sh_audio->a_in_buffer_len=0;
if(a52_fillbuff(sh_audio)<0){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"A52 sync failed\n");
return 0;
}
/* 'a52 cannot upmix' hotfix:*/
a52_printinfo(sh_audio);
sh_audio->channels=audio_output_channels;
while(sh_audio->channels>0){
switch(sh_audio->channels){
case 1: a52_flags=A52_MONO; break;
/* case 2: a52_flags=A52_STEREO; break;*/
case 2: a52_flags=A52_DOLBY; break;
/* case 3: a52_flags=A52_3F; break;*/
case 3: a52_flags=A52_2F1R; break;
case 4: a52_flags=A52_2F2R; break; /* 2+2*/
case 5: a52_flags=A52_3F2R; break;
case 6: a52_flags=A52_3F2R|A52_LFE; break; /* 5.1*/
}
/* test:*/
flags=a52_flags|A52_ADJUST_LEVEL;
mp_msg(MSGT_DECAUDIO,MSGL_V,"A52 flags before a52_frame: 0x%X\n",flags);
if (a52_frame (&a52_state, sh_audio->a_in_buffer, &flags, &level, bias)){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"a52: error decoding frame -> nosound\n");
return 0;
}
mp_msg(MSGT_DECAUDIO,MSGL_V,"A52 flags after a52_frame: 0x%X\n",flags);
/* frame decoded, let's init resampler:*/
if(a52_resample_init(a52_accel,flags,sh_audio->channels)) break;
--sh_audio->channels; /* try to decrease no. of channels*/
}
if(sh_audio->channels<=0){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"a52: no resampler. try different channel setup!\n");
return 0;
}
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
a52_fillbuff(sh); break; // skip AC3 frame
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
sample_t level=1, bias=384;
int flags=a52_flags|A52_ADJUST_LEVEL;
int i,len=-1;
if(!sh_audio->a_in_buffer_len)
if(a52_fillbuff(sh_audio)<0) return len; /* EOF */
sh_audio->a_in_buffer_len=0;
if (a52_frame (&a52_state, sh_audio->a_in_buffer, &flags, &level, bias)){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"a52: error decoding frame\n");
return len;
}
len=0;
for (i = 0; i < 6; i++) {
if (a52_block (&a52_state, a52_samples)){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"a52: error at resampling\n");
break;
}
len+=2*a52_resample(a52_samples,&buf[len]);
}
return len;
}

76
libmpcodecs/ad_acm.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "ad_internal.h"
static ad_info_t info =
{
"Win32 ACM audio decoder",
"msacm",
AFM_ACM,
"Nick Kurshev",
"avifile.sf.net",
""
};
LIBAD_EXTERN(msacm)
#include "dll_init.h"
static int init(sh_audio_t *sh_audio)
{
int ret=acm_decode_audio(sh_audio,sh_audio->a_buffer,4096,sh_audio->a_buffer_size);
if(ret<0){
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"ACM decoding error: %d\n",ret);
return 0;
}
sh_audio->a_buffer_len=ret;
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
/* Win32 ACM audio codec: */
if(init_acm_audio_codec(sh_audio)){
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
sh_audio->channels=sh_audio->o_wf.nChannels;
sh_audio->samplerate=sh_audio->o_wf.nSamplesPerSec;
} else {
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ACMiniterror);
return 0;
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/ACM audio codec init OK!\n");
return 1;
}
static void uninit(sh_audio_t *sh)
{
// TODO!
}
static int control(sh_audio_t *sh_audio,int cmd,void* arg, ...)
{
int skip;
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
skip=sh_audio->wf->nBlockAlign;
if(skip<16){
skip=(sh_audio->wf->nAvgBytesPerSec/16)&(~7);
if(skip<16) skip=16;
}
demux_read_data(sh_audio->ds,NULL,skip);
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
return acm_decode_audio(sh_audio,buf,minlen,maxlen);
}

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libmpcodecs/ad_alaw.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"aLaw/uLaw audio decoder",
"alaw",
AFM_ALAW,
"Nick Kurshev",
"A'rpi",
""
};
LIBAD_EXTERN(alaw)
#include "alaw.h"
static int init(sh_audio_t *sh_audio)
{
/* aLaw audio codec:*/
if(!sh_audio->wf) return 0;
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps=sh_audio->channels*sh_audio->samplerate;
return 1;
}
static int preinit(sh_audio_t *sh)
{
sh->audio_out_minsize=2048;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
int skip;
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
skip=sh->i_bps/16;
skip=skip&(~3);
demux_read_data(sh->ds,NULL,skip);
return CONTROL_TRUE;
default:
return CONTROL_UNKNOWN;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
int len;
int l=demux_read_data(sh_audio->ds,buf,minlen/2);
unsigned short *d=(unsigned short *) buf;
unsigned char *s=buf;
len=2*l;
if(sh_audio->format==6){
/* aLaw */
while(l>0){ --l; d[l]=alaw2short[s[l]]; }
} else {
/* uLaw */
while(l>0){ --l; d[l]=ulaw2short[s[l]]; }
}
return len;
}

60
libmpcodecs/ad_dk3adpcm.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"Duck DK3 ADPCM decoder",
"dk3adpcm",
AFM_DK3ADPCM,
"Nick Kurshev",
"Mike Melanson",
"This format number was used by Duck Corp. but not officially registered with Microsoft"
};
LIBAD_EXTERN(dk3adpcm)
#include "adpcm.h"
static int init(sh_audio_t *sh_audio)
{
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps=DK3_ADPCM_BLOCK_SIZE*
(sh_audio->channels*sh_audio->samplerate) / DK3_ADPCM_SAMPLES_PER_BLOCK;
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
sh_audio->audio_out_minsize=DK3_ADPCM_SAMPLES_PER_BLOCK * 4;
sh_audio->ds->ss_div=DK3_ADPCM_SAMPLES_PER_BLOCK;
sh_audio->ds->ss_mul=DK3_ADPCM_BLOCK_SIZE;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
// TODO!
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
int len=-1;
unsigned char ibuf[DK3_ADPCM_BLOCK_SIZE * 2]; /* bytes / stereo frame */
if (demux_read_data(sh_audio->ds, ibuf,
DK3_ADPCM_BLOCK_SIZE * sh_audio->wf->nChannels) !=
DK3_ADPCM_BLOCK_SIZE * sh_audio->wf->nChannels)
return len; /* EOF */
len = 2 * dk3_adpcm_decode_block(
(unsigned short*)buf,ibuf);
return len;
}

60
libmpcodecs/ad_dk4adpcm.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"Duck DK4 ADPCM (rogue format number) audio decoder",
"dk4adpcm",
AFM_DK4ADPCM,
"Nick Kurshev",
"This format number was used by Duck Corp. but not officially registered with Microsoft"
};
LIBAD_EXTERN(dk4adpcm)
#include "adpcm.h"
static int init(sh_audio_t *sh_audio)
{
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps = sh_audio->wf->nBlockAlign *
(sh_audio->channels*sh_audio->samplerate) / DK4_ADPCM_SAMPLES_PER_BLOCK;
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
sh_audio->audio_out_minsize=DK4_ADPCM_SAMPLES_PER_BLOCK * 4;
sh_audio->ds->ss_div=DK4_ADPCM_SAMPLES_PER_BLOCK;
sh_audio->ds->ss_mul=sh_audio->wf->nBlockAlign;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
// TODO!
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
int len=-1;
static unsigned char *ibuf = NULL;
if (!ibuf)
ibuf = (unsigned char *)malloc(sh_audio->wf->nBlockAlign);
if (demux_read_data(sh_audio->ds, ibuf, sh_audio->wf->nBlockAlign) !=
sh_audio->wf->nBlockAlign)
return len; /* EOF */
len=2*dk4_adpcm_decode_block((unsigned short*)buf,ibuf,
sh_audio->wf->nChannels, sh_audio->wf->nBlockAlign);
return len;
}

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libmpcodecs/ad_dshow.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "ad_internal.h"
static ad_info_t info =
{
"Win32/DirectShow decoders",
"dshow",
AFM_DSHOW,
"Nick Kurshev",
"avifile.sf.net",
""
};
LIBAD_EXTERN(dshow)
#include "dshow/DS_AudioDecoder.h"
static DS_AudioDecoder* ds_adec=NULL;
static int init(sh_audio_t *sh)
{
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
if(!(ds_adec=DS_AudioDecoder_Open(sh_audio->codec->dll,&sh_audio->codec->guid,sh_audio->wf)))
{
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_MissingDLLcodec,sh_audio->codec->dll);
return 0;
} else {
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->audio_in_minsize=2*sh_audio->wf->nBlockAlign;
if(sh_audio->audio_in_minsize<8192) sh_audio->audio_in_minsize=8192;
sh_audio->a_in_buffer_size=sh_audio->audio_in_minsize;
sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
sh_audio->a_in_buffer_len=0;
sh_audio->audio_out_minsize=16384;
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/DShow audio codec init OK!\n");
return 1;
}
static void uninit(sh_audio_t *sh)
{
// TODO!!!
}
static int control(sh_audio_t *sh_audio,int cmd,void* arg, ...)
{
int skip;
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
skip=sh_audio->wf->nBlockAlign;
if(skip<16){
skip=(sh_audio->wf->nAvgBytesPerSec/16)&(~7);
if(skip<16) skip=16;
}
demux_read_data(sh_audio->ds,NULL,skip);
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
// int len=-1;
int size_in=0;
int size_out=0;
int srcsize=DS_AudioDecoder_GetSrcSize(ds_adec, maxlen);
mp_msg(MSGT_DECAUDIO,MSGL_DBG3,"DShow says: srcsize=%d (buffsize=%d) out_size=%d\n",srcsize,sh_audio->a_in_buffer_size,maxlen);
if(srcsize>sh_audio->a_in_buffer_size) srcsize=sh_audio->a_in_buffer_size; // !!!!!!
if(sh_audio->a_in_buffer_len<srcsize){
sh_audio->a_in_buffer_len+=
demux_read_data(sh_audio->ds,&sh_audio->a_in_buffer[sh_audio->a_in_buffer_len],
srcsize-sh_audio->a_in_buffer_len);
}
DS_AudioDecoder_Convert(ds_adec, sh_audio->a_in_buffer,sh_audio->a_in_buffer_len,
buf,maxlen, &size_in,&size_out);
mp_dbg(MSGT_DECAUDIO,MSGL_DBG2,"DShow: audio %d -> %d converted (in_buf_len=%d of %d) %d\n",size_in,size_out,sh_audio->a_in_buffer_len,sh_audio->a_in_buffer_size,ds_tell_pts(sh_audio->ds));
if(size_in>=sh_audio->a_in_buffer_len){
sh_audio->a_in_buffer_len=0;
} else {
sh_audio->a_in_buffer_len-=size_in;
memcpy(sh_audio->a_in_buffer,&sh_audio->a_in_buffer[size_in],sh_audio->a_in_buffer_len);
}
// len=size_out;
return size_out;
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"Uncompressed DVD PCM audio decoder",
"dvdpcm",
AFM_DVDPCM,
"Nick Kurshev",
"A'rpi",
""
};
LIBAD_EXTERN(dvdpcm)
static int init(sh_audio_t *sh)
{
/* DVD PCM Audio:*/
sh->channels=2;
sh->samplerate=48000;
sh->i_bps=2*2*48000;
/* sh_audio->pcm_bswap=1;*/
return 1;
}
static int preinit(sh_audio_t *sh)
{
sh->audio_out_minsize=2048;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
int skip;
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
skip=sh->i_bps/16;
skip=skip&(~3);
demux_read_data(sh->ds,NULL,skip);
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
int j,len;
len=demux_read_data(sh_audio->ds,buf,(minlen+3)&(~3));
for(j=0;j<len;j+=2){
char x=buf[j];
buf[j]=buf[j+1];
buf[j+1]=x;
}
return len;
}

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libmpcodecs/ad_ffmpeg.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "ad_internal.h"
#include "bswap.h"
static ad_info_t info =
{
"FFmpeg audio decoders",
"ffmpeg",
AFM_FFMPEG,
"Nick Kurshev",
"ffmpeg.sf.net",
""
};
LIBAD_EXTERN(ffmpeg)
#define assert(x)
#include "../libavcodec/avcodec.h"
static AVCodec *lavc_codec=NULL;
static AVCodecContext lavc_context;
extern int avcodec_inited;
static int preinit(sh_audio_t *sh)
{
sh->audio_out_minsize=AVCODEC_MAX_AUDIO_FRAME_SIZE;
return 1;
}
static int init(sh_audio_t *sh_audio)
{
int x;
mp_msg(MSGT_DECAUDIO,MSGL_V,"FFmpeg's libavcodec audio codec\n");
if(!avcodec_inited){
avcodec_init();
avcodec_register_all();
avcodec_inited=1;
}
lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh_audio->codec->dll);
if(!lavc_codec){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_MissingLAVCcodec,sh_audio->codec->dll);
return 0;
}
memset(&lavc_context, 0, sizeof(lavc_context));
/* open it */
if (avcodec_open(&lavc_context, lavc_codec) < 0) {
mp_msg(MSGT_DECAUDIO,MSGL_ERR, MSGTR_CantOpenCodec);
return 0;
}
mp_msg(MSGT_DECAUDIO,MSGL_V,"INFO: libavcodec init OK!\n");
// Decode at least 1 byte: (to get header filled)
x=decode_audio(sh_audio,sh_audio->a_buffer,1,sh_audio->a_buffer_size);
if(x>0) sh_audio->a_buffer_len=x;
#if 1
sh_audio->channels=lavc_context.channels;
sh_audio->samplerate=lavc_context.sample_rate;
sh_audio->i_bps=lavc_context.bit_rate/8;
#else
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
#endif
return 1;
}
static void uninit(sh_audio_t *sh)
{
avcodec_close(&lavc_context);
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
// TODO ???
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
unsigned char *start=NULL;
int y,len=-1;
while(len<minlen){
int len2=0;
int x=ds_get_packet(sh_audio->ds,&start);
if(x<=0) break; // error
y=avcodec_decode_audio(&lavc_context,(INT16*)buf,&len2,start,x);
if(y<0){ mp_msg(MSGT_DECAUDIO,MSGL_V,"lavc_audio: error\n");break; }
if(y<x) sh_audio->ds->buffer_pos+=y-x; // put back data (HACK!)
if(len2>0){
//len=len2;break;
if(len<0) len=len2; else len+=len2;
buf+=len2;
}
mp_dbg(MSGT_DECAUDIO,MSGL_DBG2,"Decoded %d -> %d \n",y,len2);
}
return len;
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "ad_internal.h"
#include "../liba52/a52.h"
#include "../ac3-iec958.h"
extern int a52_fillbuff(sh_audio_t *sh_audio);
static ad_info_t info =
{
"AC3 through SPDIF",
"hwac3",
AFM_HWAC3,
"Nick Kurshev",
"???",
""
};
LIBAD_EXTERN(hwac3)
static int preinit(sh_audio_t *sh)
{
/* Dolby AC3 audio: */
sh->audio_out_minsize=4*256*6;
sh->channels=2;
return 1;
}
static int init(sh_audio_t *sh_audio)
{
/* Dolby AC3 passthrough:*/
sample_t *a52_samples=a52_init(0);
if (a52_samples == NULL) {
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"A52 init failed\n");
return 0;
}
sh_audio->a_in_buffer_size=3840;
sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
sh_audio->a_in_buffer_len=0;
if(a52_fillbuff(sh_audio)<0) {
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"A52 sync failed\n");
return 0;
}
/*
sh_audio->samplerate=ai.samplerate; // SET by a52_fillbuff()
sh_audio->samplesize=ai.framesize;
sh_audio->i_bps=ai.bitrate*(1000/8); // SET by a52_fillbuff()
sh_audio->ac3_frame=malloc(6144);
sh_audio->o_bps=sh_audio->i_bps; // XXX FIXME!!! XXX
o_bps is calculated from samplesize*channels*samplerate
a single ac3 frame is always translated to 6144 byte packet. (zero padding)*/
sh_audio->channels=2;
sh_audio->samplesize=2; /* 2*2*(6*256) = 6144 (very TRICKY!)*/
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
a52_fillbuff(sh); break; // skip AC3 frame
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
int len=-1;
if(!sh_audio->a_in_buffer_len)
if((len=a52_fillbuff(sh_audio))<0) return len; /*EOF*/
sh_audio->a_in_buffer_len=0;
len = ac3_iec958_build_burst(len, 0x01, 1, sh_audio->a_in_buffer, buf);
return len;
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
#include "../adpcm.h"
static ad_info_t info =
{
"IMA ADPCM audio decoder",
"imaadpcm",
AFM_IMAADPCM,
"Nick Kurshev",
"Mike Melanson",
"ima4 (MOV files)"
};
LIBAD_EXTERN(imaadpcm)
static int init(sh_audio_t *sh_audio)
{
/* IMA-ADPCM 4:1 audio codec:*/
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
/* decodes 34 byte -> 64 short*/
sh_audio->i_bps=IMA_ADPCM_BLOCK_SIZE*(sh_audio->channels*sh_audio->samplerate)/
IMA_ADPCM_SAMPLES_PER_BLOCK; /* 1:4 */
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
sh_audio->audio_out_minsize=4096;
sh_audio->ds->ss_div=IMA_ADPCM_SAMPLES_PER_BLOCK;
sh_audio->ds->ss_mul=IMA_ADPCM_BLOCK_SIZE * sh_audio->wf->nChannels;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
// TODO!!!
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
unsigned char ibuf[IMA_ADPCM_BLOCK_SIZE * 2]; /* bytes / stereo frame */
if (demux_read_data(sh_audio->ds, ibuf,
IMA_ADPCM_BLOCK_SIZE * sh_audio->wf->nChannels) !=
IMA_ADPCM_BLOCK_SIZE * sh_audio->wf->nChannels)
return -1;
return 2*ima_adpcm_decode_block((unsigned short*)buf,ibuf, sh_audio->wf->nChannels);
}

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libmpcodecs/ad_internal.h Normal file
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#include "codec-cfg.h"
#include "../libao2/afmt.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "ad.h"
static int init(sh_audio_t *sh);
static int preinit(sh_audio_t *sh);
static void uninit(sh_audio_t *sh);
static int control(sh_audio_t *sh,int cmd,void* arg, ...);
static int decode_audio(sh_audio_t *sh,unsigned char *buffer,int minlen,int maxlen);
#define LIBAD_EXTERN(x) ad_functions_t mpcodecs_ad_##x = {\
&info,\
preinit,\
init,\
uninit,\
control,\
decode_audio\
};

79
libmpcodecs/ad_mp3.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"MPEG layer-2, layer-3",
"mp3lib",
AFM_MPEG,
"Nick Kurshev",
"mpg123",
"Optimized to MMX/SSE/3Dnow!"
};
LIBAD_EXTERN(mp3)
#include "../mp3lib/mp3.h"
extern int fakemono;
static sh_audio_t* dec_audio_sh=NULL;
// MP3 decoder buffer callback:
int mplayer_audio_read(char *buf,int size){
return demux_read_data(dec_audio_sh->ds,buf,size);
}
static int preinit(sh_audio_t *sh)
{
sh->audio_out_minsize=32*36*2*2; //4608;
return 1;
}
static int init(sh_audio_t *sh)
{
// MPEG Audio:
dec_audio_sh=sh; // save sh_audio for the callback:
// MP3_Init(fakemono,mplayer_accel,&mplayer_audio_read); // TODO!!!
#ifdef USE_FAKE_MONO
MP3_Init(fakemono);
#else
MP3_Init();
#endif
MP3_samplerate=MP3_channels=0;
sh->a_buffer_len=MP3_DecodeFrame(sh->a_buffer,-1);
sh->channels=2; // hack
sh->samplerate=MP3_samplerate;
sh->i_bps=MP3_bitrate*(1000/8);
MP3_PrintHeader();
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
switch(cmd)
{
case ADCTRL_RESYNC_STREAM:
MP3_DecodeFrame(NULL,-2); // resync
MP3_DecodeFrame(NULL,-2); // resync
MP3_DecodeFrame(NULL,-2); // resync
return CONTROL_TRUE;
case ADCTRL_SKIP_FRAME:
MP3_DecodeFrame(NULL,-2); // skip MPEG frame
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
return MP3_DecodeFrame(buf,-1);
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"MS ADPCM audio decoder",
"msadpcm",
AFM_MSADPCM,
"Nick Kurshev",
"Mike Melanson",
""
};
LIBAD_EXTERN(msadpcm)
#include "../adpcm.h"
static int init(sh_audio_t *sh_audio)
{
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps = sh_audio->wf->nBlockAlign *
(sh_audio->channels*sh_audio->samplerate) / MS_ADPCM_SAMPLES_PER_BLOCK;
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
sh_audio->audio_out_minsize=sh_audio->wf->nBlockAlign * 8;
sh_audio->ds->ss_div = MS_ADPCM_SAMPLES_PER_BLOCK;
sh_audio->ds->ss_mul = sh_audio->wf->nBlockAlign;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
// TODO!!!
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
static unsigned char *ibuf = NULL; // FIXME!!! TODO!!! use sh->a_in_buffer!
if (!ibuf)
ibuf = (unsigned char *)malloc
(sh_audio->wf->nBlockAlign * sh_audio->wf->nChannels);
if (demux_read_data(sh_audio->ds, ibuf,
sh_audio->wf->nBlockAlign) !=
sh_audio->wf->nBlockAlign)
return -1; /* EOF */
return 2 * ms_adpcm_decode_block(
(unsigned short*)buf,ibuf, sh_audio->wf->nChannels,
sh_audio->wf->nBlockAlign);
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static ad_info_t info =
{
"Uncompressed PCM audio decoder",
"pcm",
AFM_PCM,
"Nick Kurshev",
"A'rpi",
""
};
LIBAD_EXTERN(pcm)
static int init(sh_audio_t *sh_audio)
{
WAVEFORMATEX *h=sh_audio->wf;
sh_audio->i_bps=h->nAvgBytesPerSec;
sh_audio->channels=h->nChannels;
sh_audio->samplerate=h->nSamplesPerSec;
sh_audio->samplesize=(h->wBitsPerSample+7)/8;
switch(sh_audio->format){ /* hardware formats: */
case 0x6: sh_audio->sample_format=AFMT_A_LAW;break;
case 0x7: sh_audio->sample_format=AFMT_MU_LAW;break;
case 0x11: sh_audio->sample_format=AFMT_IMA_ADPCM;break;
case 0x50: sh_audio->sample_format=AFMT_MPEG;break;
case 0x736F7774: sh_audio->sample_format=AFMT_S16_LE;sh_audio->codec->driver=AFM_DVDPCM;break;
/* case 0x2000: sh_audio->sample_format=AFMT_AC3; */
default: sh_audio->sample_format=(sh_audio->samplesize==2)?AFMT_S16_LE:AFMT_U8;
}
return 1;
}
static int preinit(sh_audio_t *sh)
{
sh->audio_out_minsize=2048;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
int skip;
switch(cmd)
{
case ADCTRL_SKIP_FRAME:
skip=sh->i_bps/16;
skip=skip&(~3);
demux_read_data(sh->ds,NULL,skip);
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
return demux_read_data(sh_audio->ds,buf,minlen);
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
#include "../roqav.h"
//#include "../adpcm.h"
static ad_info_t info =
{
"Id RoQ File Audio Decoder",
"roqaudio",
AFM_ROQAUDIO,
"Nick Kurshev",
"Mike Melanson ???"
"RoQA is an internal MPlayer FOURCC"
};
LIBAD_EXTERN(roqaudio)
static int init(sh_audio_t *sh_audio)
{
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->i_bps = (sh_audio->channels * 22050) / 2;
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
/* minsize was stored in wf->nBlockAlign by the RoQ demuxer */
sh_audio->audio_out_minsize=sh_audio->wf->nBlockAlign;
sh_audio->context = roq_decode_audio_init();
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
// TODO!!!
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
static unsigned char *ibuf = NULL;
unsigned char header_data[6];
int read_len;
// TODO!! FIXME!!!
if (!ibuf) ibuf = (unsigned char *)malloc(sh_audio->audio_out_minsize / 2);
/* figure out how much data to read */
if (demux_read_data(sh_audio->ds, header_data, 6) != 6) return -1; /* EOF */
read_len = (header_data[5] << 24) | (header_data[4] << 16) |
(header_data[3] << 8) | header_data[2];
read_len += 2; /* 16-bit arguments */
if (demux_read_data(sh_audio->ds, ibuf, read_len) != read_len) return -1;
return 2 * roq_decode_audio((unsigned short *)buf, ibuf,
read_len, sh_audio->channels, sh_audio->context);
}