[MPlayer-cvslog] CVS: main/libmpdemux demux_vqf.c, NONE, 1.1 Makefile, 1.84, 1.85 demuxer.c, 1.179, 1.180 demuxer.h, 1.72, 1.73

Roberto Togni CVS syncmail at mplayerhq.hu
Wed Dec 29 20:51:59 CET 2004


CVS change done by Roberto Togni CVS

Update of /cvsroot/mplayer/main/libmpdemux
In directory mail:/var2/tmp/cvs-serv7943/libmpdemux

Modified Files:
	Makefile demuxer.c demuxer.h 
Added Files:
	demux_vqf.c 
Log Message:
TwinVQ decoder and demuxer


--- NEW FILE ---
#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include "bswap.h"

#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "../libmpcodecs/vqf.h"

extern void resync_audio_stream(sh_audio_t *sh_audio);

int demux_probe_vqf(demuxer_t* demuxer) 
{
  char buf[KEYWORD_BYTES];
  stream_t *s;
  s = demuxer->stream;
  stream_read(s,buf,KEYWORD_BYTES);
  if(memcmp(buf,"TWIN",KEYWORD_BYTES)==0) return 1; /*version: 97012000*/
  return 0;
}

demuxer_t* demux_open_vqf(demuxer_t* demuxer) {
  sh_audio_t* sh_audio;
  WAVEFORMATEX* w;
  stream_t *s;
  headerInfo *hi;

  s = demuxer->stream;

  sh_audio = new_sh_audio(demuxer,0);
  sh_audio->wf = w = (WAVEFORMATEX*)malloc(sizeof(WAVEFORMATEX)+sizeof(headerInfo));
  hi = (headerInfo *)&w[1];
  memset(hi,0,sizeof(headerInfo));
  w->wFormatTag = 0x1;
  sh_audio->format = mmioFOURCC('T','W','I','N'); /* TWinVQ */
  w->nChannels = sh_audio->channels = 2;
  w->nSamplesPerSec = sh_audio->samplerate = 44100;
  w->nAvgBytesPerSec = w->nSamplesPerSec*sh_audio->channels*2;
  w->nBlockAlign = 0;
  sh_audio->samplesize = 2;
  w->wBitsPerSample = 8*sh_audio->samplesize;
  w->cbSize = 0;
  strcpy(hi->ID,"TWIN");
  stream_read(s,hi->ID+KEYWORD_BYTES,VERSION_BYTES); /* fourcc+version_id */
  while(1)
  {
    char chunk_id[4];
    unsigned chunk_size;
    hi->size=chunk_size=stream_read_dword(s); /* include itself */
    stream_read(s,chunk_id,4);
    if(*((uint32_t *)&chunk_id[0])==mmioFOURCC('C','O','M','M'))
    {
    char buf[chunk_size-8];
    unsigned i,subchunk_size;
    if(stream_read(s,buf,chunk_size-8)!=chunk_size-8) return NULL;
    i=0;
    subchunk_size=be2me_32(*((uint32_t *)&buf[0]));
    hi->channelMode=be2me_32(*((uint32_t *)&buf[4]));
    w->nChannels=sh_audio->channels=hi->channelMode+1; /*0-mono;1-stereo*/
    hi->bitRate=be2me_32(*((uint32_t *)&buf[8]));
    sh_audio->i_bps=hi->bitRate*1000/8; /* bitrate kbit/s */
    w->nAvgBytesPerSec = sh_audio->i_bps;
    hi->samplingRate=be2me_32(*((uint32_t *)&buf[12]));
    switch(hi->samplingRate){
    case 44:
        w->nSamplesPerSec=44100;
        break;
    case 22:
        w->nSamplesPerSec=22050;
        break;
    case 11:
        w->nSamplesPerSec=11025;
        break;
    default:
        w->nSamplesPerSec=hi->samplingRate*1000;
        break;
    }
    sh_audio->samplerate=w->nSamplesPerSec;
    hi->securityLevel=be2me_32(*((uint32_t *)&buf[16]));
    w->nBlockAlign = 0;
    sh_audio->samplesize = 4;
    w->wBitsPerSample = 8*sh_audio->samplesize;
    w->cbSize = 0;
    i+=subchunk_size+4;
    while(i<chunk_size-8)
    {
        unsigned slen,sid;
        char sdata[chunk_size];
        sid=*((uint32_t *)&buf[i]); i+=4;
        slen=be2me_32(*((uint32_t *)&buf[i])); i+=4;
        if(sid==mmioFOURCC('D','S','I','Z'))
        {
        hi->Dsiz=be2me_32(*((uint32_t *)&buf[i]));
        continue; /* describes the same info as size of DATA chunk */
        }
        memcpy(sdata,&buf[i],slen); sdata[slen]=0; i+=slen;
        if(sid==mmioFOURCC('N','A','M','E'))
        {
        memcpy(hi->Name,sdata,min(BUFSIZ,slen));
        demux_info_add(demuxer,"Title",sdata);
        }
        else
        if(sid==mmioFOURCC('A','U','T','H'))
        {
        memcpy(hi->Auth,sdata,min(BUFSIZ,slen));
        demux_info_add(demuxer,"Author",sdata);
        }
        else
        if(sid==mmioFOURCC('C','O','M','T'))
        {
        memcpy(hi->Comt,sdata,min(BUFSIZ,slen));
        demux_info_add(demuxer,"Comment",sdata);
        }
        else
        if(sid==mmioFOURCC('(','c',')',' '))
        {
        memcpy(hi->Cpyr,sdata,min(BUFSIZ,slen));
        demux_info_add(demuxer,"Copyright",sdata);
        }
        else
        if(sid==mmioFOURCC('F','I','L','E'))
        {
        memcpy(hi->File,sdata,min(BUFSIZ,slen));
        }
        else
        if(sid==mmioFOURCC('A','L','B','M')) demux_info_add(demuxer,"Album",sdata);
        else
        if(sid==mmioFOURCC('Y','E','A','R')) demux_info_add(demuxer,"Date",sdata);
        else
        if(sid==mmioFOURCC('T','R','A','C')) demux_info_add(demuxer,"Track",sdata);
        else
        if(sid==mmioFOURCC('E','N','C','D')) demux_info_add(demuxer,"Encoder",sdata);
        else
        mp_msg(MSGT_DEMUX, MSGL_V, "Unhandled subchunk '%c%c%c%c'='%s'\n",((char *)&sid)[0],((char *)&sid)[1],((char *)&sid)[2],((char *)&sid)[3],sdata);
        /* other stuff is unrecognized due untranslatable japan's idiomatics */
    }
    }
    else
    if(*((uint32_t *)&chunk_id[0])==mmioFOURCC('D','A','T','A'))
    {
    demuxer->movi_start=stream_tell(s);
    demuxer->movi_end=demuxer->movi_start+chunk_size-8;
    mp_msg(MSGT_DEMUX, MSGL_V, "Found data at %llX size %llu\n",demuxer->movi_start,demuxer->movi_end);
    /* Done! play it */
    break;
    }
    else
    {
    mp_msg(MSGT_DEMUX, MSGL_V, "Unhandled chunk '%c%c%c%c' %u bytes\n",((char *)&chunk_id)[0],((char *)&chunk_id)[1],((char *)&chunk_id)[2],((char *)&chunk_id)[3],chunk_size);
    stream_skip(s,chunk_size-8); /*unknown chunk type */
    }
  }

  demuxer->audio->sh = sh_audio;
  sh_audio->ds = demuxer->audio;
  stream_seek(s,demuxer->movi_start);
  demuxer->seekable=0;
  return demuxer;
}

int demux_vqf_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
  sh_audio_t* sh_audio = demuxer->audio->sh;
  int l = sh_audio->wf->nAvgBytesPerSec;
  off_t spos = stream_tell(demuxer->stream);
  demux_packet_t*  dp;

  if(stream_eof(demuxer->stream))
    return 0;

  dp = new_demux_packet(l);
  ds->pts = spos / (float)(sh_audio->wf->nAvgBytesPerSec);
  ds->pos = spos;

  l=stream_read(demuxer->stream,dp->buffer,l);
  resize_demux_packet(dp,l);
  ds_add_packet(ds,dp);

  return 1;
}

void demux_seek_vqf(demuxer_t *demuxer,float rel_seek_secs,int flags){
#if 0
  stream_t* s = demuxer->stream;
  sh_audio_t* sh_audio = demuxer->audio->sh;
  off_t base,pos;

  base = (flags & 1) ? demuxer->movi_start : stream_tell(s);
  if(flags & 2)
    pos = base + ((demuxer->movi_end - demuxer->movi_start)*rel_seek_secs);
  else
    pos = base + (rel_seek_secs*sh_audio->i_bps);

  pos -= (pos % (sh_audio->channels * sh_audio->samplesize) );
  stream_seek(s,pos);
  resync_audio_stream(sh_audio);
#endif
}

void demux_close_vqf(demuxer_t* demuxer) {}

Index: Makefile
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/Makefile,v
retrieving revision 1.84
retrieving revision 1.85
diff -u -r1.84 -r1.85
--- Makefile	15 Dec 2004 18:39:51 -0000	1.84
+++ Makefile	29 Dec 2004 19:51:56 -0000	1.85
@@ -3,7 +3,7 @@
 
 include ../config.mak
 
-SRCS = mp3_hdr.c video.c mpeg_hdr.c cache2.c asfheader.c aviheader.c aviprint.c muxer.c muxer_avi.c muxer_mpeg.c demux_asf.c demux_avi.c demux_mov.c parse_mp4.c demux_mpg.c demux_ty.c demux_ty_osd.c demux_pva.c demux_viv.c demuxer.c dvdnav_stream.c open.c parse_es.c stream.c stream_file.c stream_netstream.c stream_vcd.c stream_null.c stream_ftp.c tv.c tvi_dummy.c tvi_v4l.c tvi_v4l2.c tvi_bsdbt848.c frequencies.c demux_fli.c demux_real.c demux_y4m.c yuv4mpeg.c yuv4mpeg_ratio.c demux_nuv.c demux_film.c demux_roq.c mf.c demux_mf.c demux_audio.c demux_demuxers.c demux_ogg.c cdda.c demux_rawaudio.c demux_rawvideo.c cddb.c cdinfo.c demux_rawdv.c ai_alsa.c ai_alsa1x.c ai_oss.c audio_in.c demux_smjpeg.c demux_lmlm4.c cue_read.c extension.c demux_gif.c demux_ts.c demux_realaud.c url.c muxer_rawvideo.c demux_lavf.c demux_nsv.c
+SRCS = mp3_hdr.c video.c mpeg_hdr.c cache2.c asfheader.c aviheader.c aviprint.c muxer.c muxer_avi.c muxer_mpeg.c demux_asf.c demux_avi.c demux_mov.c parse_mp4.c demux_mpg.c demux_ty.c demux_ty_osd.c demux_pva.c demux_viv.c demuxer.c dvdnav_stream.c open.c parse_es.c stream.c stream_file.c stream_netstream.c stream_vcd.c stream_null.c stream_ftp.c tv.c tvi_dummy.c tvi_v4l.c tvi_v4l2.c tvi_bsdbt848.c frequencies.c demux_fli.c demux_real.c demux_y4m.c yuv4mpeg.c yuv4mpeg_ratio.c demux_nuv.c demux_film.c demux_roq.c mf.c demux_mf.c demux_audio.c demux_demuxers.c demux_ogg.c cdda.c demux_rawaudio.c demux_rawvideo.c cddb.c cdinfo.c demux_rawdv.c ai_alsa.c ai_alsa1x.c ai_oss.c audio_in.c demux_smjpeg.c demux_lmlm4.c cue_read.c extension.c demux_gif.c demux_ts.c demux_realaud.c url.c muxer_rawvideo.c demux_lavf.c demux_nsv.c demux_vqf.c
 ifeq ($(XMMS_PLUGINS),yes)
 SRCS += demux_xmms.c
 endif 

Index: demuxer.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.c,v
retrieving revision 1.179
retrieving revision 1.180
diff -u -r1.179 -r1.180
--- demuxer.c	27 Dec 2004 17:30:14 -0000	1.179
+++ demuxer.c	29 Dec 2004 19:51:56 -0000	1.180
@@ -156,6 +156,7 @@
 extern void demux_close_ra(demuxer_t* demuxer);
 extern void demux_close_ty(demuxer_t* demuxer);
 extern void demux_close_lavf(demuxer_t* demuxer);
+extern void demux_close_vqf(demuxer_t* demuxer);
 
 
 #ifdef USE_TV
@@ -241,6 +242,8 @@
       demux_close_mpg(demuxer); break;
     case DEMUXER_TYPE_REALAUDIO:
       demux_close_ra(demuxer); break;
+    case DEMUXER_TYPE_VQF:
+      demux_close_vqf(demuxer); break;
 #ifdef USE_LIBAVFORMAT
     case DEMUXER_TYPE_LAVF:
       demux_close_lavf(demuxer); break;
@@ -326,6 +329,7 @@
 int demux_gif_fill_buffer(demuxer_t *demux);
 int demux_ts_fill_buffer(demuxer_t *demux);
 int demux_ra_fill_buffer(demuxer_t *demux);
+int demux_vqf_fill_buffer(demuxer_t *demux);
 
 extern int demux_demuxers_fill_buffer(demuxer_t *demux,demux_stream_t *ds);
 extern int demux_ogg_fill_buffer(demuxer_t *d);
@@ -390,6 +394,7 @@
     case DEMUXER_TYPE_MPEG_TS: 
 	return demux_ts_fill_buffer(demux);
     case DEMUXER_TYPE_REALAUDIO: return demux_ra_fill_buffer(demux);
+    case DEMUXER_TYPE_VQF: return demux_vqf_fill_buffer(demux);
 #ifdef USE_LIBAVFORMAT
      case DEMUXER_TYPE_LAVF: return demux_lavf_fill_buffer(demux);
 #endif
@@ -634,6 +639,8 @@
 extern int demux_open_mkv(demuxer_t *demuxer);
 extern int ra_check_file(demuxer_t *demuxer);
 extern int demux_open_ra(demuxer_t* demuxer);
+extern int demux_probe_vqf(demuxer_t *demuxer);
+extern int demux_open_vqf(demuxer_t* demuxer);
 #ifdef HAVE_MATROSKA
 extern int demux_mkv_open(demuxer_t *demuxer);
 #endif
@@ -809,6 +816,18 @@
   }
 }
 
+//=============== Try to open as VQF file: =================
+if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_VQF){
+  demuxer=new_demuxer(stream,DEMUXER_TYPE_VQF,audio_id,video_id,dvdsub_id);
+  if(demux_probe_vqf(demuxer)){
+      mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_Detected_XXX_FileFormat,"VQF");
+      file_format=DEMUXER_TYPE_VQF;
+  } else {
+      free_demuxer(demuxer);
+      demuxer = NULL;
+  }
+}
+
 //=============== Try based on filename EXTENSION: =================
 // Ok. We're over the stable detectable fileformats, the next ones are a bit
 // fuzzy. So by default (extension_parsing==1) try extension-based detection
@@ -1355,6 +1374,10 @@
   if (!demux_open_ra(demuxer)) return NULL;
   break;
  }
+ case DEMUXER_TYPE_VQF: {
+  if (!demux_open_vqf(demuxer)) return NULL;
+  break;
+ }
 #ifdef USE_LIBAVFORMAT
   case DEMUXER_TYPE_LAVF: {
   if (!demux_open_lavf(demuxer)) return NULL;
@@ -1474,6 +1497,7 @@
 extern void demux_rawvideo_seek(demuxer_t *demuxer,float rel_seek_secs,int flags);
 extern void demux_xmms_seek(demuxer_t *demuxer,float rel_seek_secs,int flags);
 extern void demux_mkv_seek(demuxer_t *demuxer,float rel_seek_secs,int flags);
+extern void demux_seek_vqf(demuxer_t *demuxer,float rel_seek_secs,int flags);
 
 int demux_seek(demuxer_t *demuxer,float rel_seek_secs,int flags){
     demux_stream_t *d_audio=demuxer->audio;
@@ -1576,6 +1600,8 @@
  case DEMUXER_TYPE_LAVF:
       demux_seek_lavf(demuxer,rel_seek_secs,flags); break;
  #endif
+ case DEMUXER_TYPE_VQF:
+      demux_seek_vqf(demuxer,rel_seek_secs,flags); break;
 
 } // switch(demuxer->file_format)
 

Index: demuxer.h
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.h,v
retrieving revision 1.72
retrieving revision 1.73
diff -u -r1.72 -r1.73
--- demuxer.h	15 Dec 2004 18:39:51 -0000	1.72
+++ demuxer.h	29 Dec 2004 19:51:56 -0000	1.73
@@ -44,11 +44,12 @@
 #define DEMUXER_TYPE_LMLM4 34
 #define DEMUXER_TYPE_LAVF 35
 #define DEMUXER_TYPE_NSV 36
+#define DEMUXER_TYPE_VQF 37
 
 // This should always match the higest demuxer type number.
 // Unless you want to disallow users to force the demuxer to some types
 #define DEMUXER_TYPE_MIN 0
-#define DEMUXER_TYPE_MAX 36
+#define DEMUXER_TYPE_MAX 37
 
 #define DEMUXER_TYPE_DEMUXERS (1<<16)
 // A virtual demuxer type for the network code




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