[Mplayer-cvslog] CVS: main/libmpcodecs ad_real.c,NONE,1.1 ad.c,1.7,1.8 Makefile,1.44,1.45
Arpi of Ize
arpi at mplayerhq.hu
Mon Jun 10 03:32:15 CEST 2002
Update of /cvsroot/mplayer/main/libmpcodecs
In directory mail:/var/tmp.root/cvs-serv22316
Modified Files:
ad.c Makefile
Added Files:
ad_real.c
Log Message:
readaudio decoder - not yet working
--- NEW FILE ---
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#ifdef USE_REALCODECS
#include <stddef.h>
#include <dlfcn.h>
#include "ad_internal.h"
static ad_info_t info = {
"RealAudio decoder", // name of the driver
"real", // driver name. should be the same as filename without ad_
AFM_REAL, // replace with registered AFM number
"A'rpi", // writer/maintainer of _this_ file
"", // writer/maintainer/site of the _codec_
"" // comments
};
LIBAD_EXTERN(real)
static void *handle=NULL;
void *__builtin_new(unsigned long size) {
return malloc(size);
}
static ulong (*raCloseCodec)(ulong);
static ulong (*raDecode)(ulong,ulong,ulong,ulong,ulong,ulong);
static ulong (*raFlush)(ulong,ulong,ulong);
static ulong (*raFreeDecoder)(ulong);
static ulong (*raGetFlavorProperty)(ulong,ulong,ulong,ulong);
//static ulong (*raGetNumberOfFlavors2)(void);
static ulong (*raInitDecoder)(ulong,ulong);
static ulong (*raOpenCodec2)(ulong);
static ulong (*raSetFlavor)(ulong,ulong);
static void (*raSetDLLAccessPath)(ulong);
typedef struct {
int samplerate;
short bits;
short channels;
int unk1;
int unk2;
int packetsize;
int unk3;
void* unk4;
} ra_init_t;
static int preinit(sh_audio_t *sh){
// let's check if the driver is available, return 0 if not.
// (you should do that if you use external lib(s) which is optional)
unsigned int result;
handle = dlopen ("/usr/local/RealPlayer8/Codecs/cook.so.6.0", RTLD_LAZY);
if(!handle){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Cannot open dll: %s\n",dlerror());
return 0;
}
raCloseCodec = dlsym(handle, "RACloseCodec");
raDecode = dlsym(handle, "RADecode");
raFlush = dlsym(handle, "RAFlush");
raFreeDecoder = dlsym(handle, "RAFreeDecoder");
raGetFlavorProperty = dlsym(handle, "RAGetFlavorProperty");
raOpenCodec2 = dlsym(handle, "RAOpenCodec2");
raInitDecoder = dlsym(handle, "RAInitDecoder");
raSetFlavor = dlsym(handle, "RASetFlavor");
raSetDLLAccessPath = dlsym(handle, "SetDLLAccessPath");
if(!raCloseCodec || !raDecode || !raFlush || !raFreeDecoder ||
!raGetFlavorProperty || !raOpenCodec2 || !raSetFlavor ||
!raSetDLLAccessPath || !raInitDecoder){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Cannot resolve symbols - incompatible dll\n");
return 0;
}
result=raOpenCodec2(&sh->context);
if(result){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Decoder open failed, error code: 0x%X\n",result);
return 0;
}
sh->samplerate=sh->wf->nSamplesPerSec;
sh->samplesize=sh->wf->wBitsPerSample/8;
sh->channels=sh->wf->nChannels;
{ unsigned char temp2[16]={1,0,0,3,4,0,0,0x14,0,0,0,0,0,1,0,3};
// note: temp2[] come from audio stream extra header (last 16 of the total 24 bytes)
ra_init_t init_data={
sh->wf->nSamplesPerSec,sh->wf->wBitsPerSample,sh->wf->nChannels,
100, 60, // ?????
sh->wf->nBlockAlign,
16, // ??
((char*)(sh->wf+1))+2+8
};
result=raInitDecoder(sh->context,&init_data);
if(result){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Decoder init failed, error code: 0x%X\n",result);
return 0;
}
}
result=raSetFlavor(sh->context,*((short*)(sh->wf+1)));
if(result){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Decoder flavor setup failed, error code: 0x%X\n",result);
return 0;
}
sh->audio_out_minsize=128000; //sh->samplerate*sh->samplesize*sh->channels;
sh->audio_in_minsize=2*sh->wf->nBlockAlign;
// sh->samplesize=2;
// sh->channels=2;
// sh->samplerate=44100;
// sh->sample_format=AFMT_S16_LE;
sh->i_bps=64000/8;
return 1; // return values: 1=OK 0=ERROR
}
static int init(sh_audio_t *sh_audio){
// initialize the decoder, set tables etc...
// you can store HANDLE or private struct pointer at sh->context
// you can access WAVEFORMATEX header at sh->wf
// set sample format/rate parameters if you didn't do it in preinit() yet.
return 1; // return values: 1=OK 0=ERROR
}
static void uninit(sh_audio_t *sh){
// uninit the decoder etc...
// again: you don't have to free() a_in_buffer here! it's done by the core.
}
static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen){
int result;
int len=-1;
demux_read_data(sh->ds, sh->a_in_buffer, 60);
result=raDecode(sh->context, sh->a_in_buffer, sh->wf->nBlockAlign,
buf, &len, -1);
printf("radecode: %d bytes, res=0x%X \n",len,result);
// audio decoding. the most important thing :)
// parameters you get:
// buf = pointer to the output buffer, you have to store uncompressed
// samples there
// minlen = requested minimum size (in bytes!) of output. it's just a
// _recommendation_, you can decode more or less, it just tell you that
// the caller process needs 'minlen' bytes. if it gets less, it will
// call decode_audio() again.
// maxlen = maximum size (bytes) of output. you MUST NOT write more to the
// buffer, it's the upper-most limit!
// note: maxlen will be always greater or equal to sh->audio_out_minsize
// now, let's decode...
// you can read the compressed stream using the demux stream functions:
// demux_read_data(sh->ds, buffer, length) - read 'length' bytes to 'buffer'
// ds_get_packet(sh->ds, &buffer) - set ptr buffer to next data packet
// (both func return number of bytes or 0 for error)
return len/8; // return value: number of _bytes_ written to output buffer,
// or -1 for EOF (or uncorrectable error)
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...){
// various optional functions you MAY implement:
switch(cmd){
case ADCTRL_RESYNC_STREAM:
// it is called once after seeking, to resync.
// Note: sh_audio->a_in_buffer_len=0; is done _before_ this call!
return CONTROL_TRUE;
case ADCTRL_SKIP_FRAME:
// it is called to skip (jump over) small amount (1/10 sec or 1 frame)
// of audio data - used to sync audio to video after seeking
// if you don't return CONTROL_TRUE, it will defaults to:
// ds_fill_buffer(sh_audio->ds); // skip 1 demux packet
return CONTROL_TRUE;
}
return CONTROL_UNKNOWN;
}
#endif
Index: ad.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpcodecs/ad.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- ad.c 7 Apr 2002 17:42:31 -0000 1.7
+++ ad.c 10 Jun 2002 01:32:12 -0000 1.8
@@ -34,6 +34,7 @@
extern ad_functions_t mpcodecs_ad_faad;
extern ad_functions_t mpcodecs_ad_vorbis;
extern ad_functions_t mpcodecs_ad_libmad;
+extern ad_functions_t mpcodecs_ad_real;
ad_functions_t* mpcodecs_ad_drivers[] =
{
@@ -66,6 +67,9 @@
#endif
#ifdef USE_LIBMAD
&mpcodecs_ad_libmad,
+#endif
+#ifdef USE_REALCODECS
+ &mpcodecs_ad_real,
#endif
NULL
};
Index: Makefile
===================================================================
RCS file: /cvsroot/mplayer/main/libmpcodecs/Makefile,v
retrieving revision 1.44
retrieving revision 1.45
diff -u -r1.44 -r1.45
--- Makefile 8 Jun 2002 20:47:54 -0000 1.44
+++ Makefile 10 Jun 2002 01:32:12 -0000 1.45
@@ -4,7 +4,7 @@
LIBNAME = libmpcodecs.a
LIBNAME2 = libmpencoders.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 ad_msgsm.c ad_faad.c ad_vorbis.c ad_libmad.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 ad_faad.c ad_vorbis.c ad_libmad.c ad_real.c
VIDEO_SRCS=dec_video.c vd.c vd_null.c vd_real.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 vd_mpegpes.c
VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c
ENCODER_SRCS=ve.c ve_divx4.c ve_lavc.c ve_vfw.c ve_rawrgb.c ve_libdv.c
More information about the MPlayer-cvslog
mailing list