moved mpeg decoder to common

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@554 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 328 deletions

diff --git a/uisimulator/x11/mpegplay.c b/uisimulator/x11/mpegplay.c
deleted file mode 100644
index da02ec9de4..0000000000
--- a/uisimulator/x11/mpegplay.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- *
- * Copyright (C) 2002 Dave Chapman
- *
- * This file contains significant code from two other projects:
- *
- * 1) madldd - a sample application to use libmad
- * 2) CoolPlayer - a win32 audio player that also uses libmad
- *
- * All files in this archive are subject to the GNU General Public License.
- * See the file COPYING in the source tree root for full license agreement.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-
-#ifdef MPEG_PLAY
-
-#include <string.h>
-#include <stdlib.h>
-#include <file.h>
-#include <types.h>
-#include <lcd.h>
-#include <button.h>
-#include "id3.h"
-
-#include <stdio.h>
-#include <mad.h>
-
-#include "oss_sound.h"
-
-/* The "dither" code to convert the 24-bit samples produced by libmad was
-   taken from the coolplayer project - coolplayer.sourceforge.net */
-
-struct dither {
-	mad_fixed_t error[3];
-	mad_fixed_t random;
-};
-# define SAMPLE_DEPTH	16
-# define scale(x, y)	dither((x), (y))
-
-struct mad_stream  Stream;
-struct mad_frame  Frame;
-struct mad_synth  Synth;
-mad_timer_t      Timer;
-
-/*
- * NAME:		prng()
- * DESCRIPTION:	32-bit pseudo-random number generator
- */
-static __inline
-unsigned long prng(unsigned long state)
-{
-  return (state * 0x0019660dL + 0x3c6ef35fL) & 0xffffffffL;
-}
-
-/*
- * NAME:        dither()
- * DESCRIPTION:	dither and scale sample
- */
-static __inline
-signed int dither(mad_fixed_t sample, struct dither *dither)
-{
-  unsigned int scalebits;
-  mad_fixed_t output, mask, random;
-
-  enum {
-    MIN = -MAD_F_ONE,
-    MAX =  MAD_F_ONE - 1
-  };
-
-  /* noise shape */
-  sample += dither->error[0] - dither->error[1] + dither->error[2];
-
-  dither->error[2] = dither->error[1];
-  dither->error[1] = dither->error[0] / 2;
-
-  /* bias */
-  output = sample + (1L << (MAD_F_FRACBITS + 1 - SAMPLE_DEPTH - 1));
-
-  scalebits = MAD_F_FRACBITS + 1 - SAMPLE_DEPTH;
-  mask = (1L << scalebits) - 1;
-
-  /* dither */
-  random  = prng(dither->random);
-  output += (random & mask) - (dither->random & mask);
-
-  dither->random = random;
-
-  /* clip */
-  if (output > MAX) {
-    output = MAX;
-
-    if (sample > MAX)
-      sample = MAX;
-  }
-  else if (output < MIN) {
-    output = MIN;
-
-    if (sample < MIN)
-      sample = MIN;
-  }
-
-  /* quantize */
-  output &= ~mask;
-
-  /* error feedback */
-  dither->error[0] = sample - output;
-
-  /* scale */
-  return output >> scalebits;
-}
-
-/*
- * NAME:    pack_pcm()
- * DESCRIPTION:  scale and dither MAD output
- */
-static
-void pack_pcm(unsigned char **pcm, unsigned int nsamples,
-        mad_fixed_t const *ch1, mad_fixed_t const *ch2)
-{
-  register signed int s0, s1;
-  static struct dither d0, d1;
-
-  if (ch2) {  /* stereo */
-    while (nsamples--) {
-      s0 = scale(*ch1++, &d0);
-      s1 = scale(*ch2++, &d1);
-# if SAMPLE_DEPTH == 16
-      (*pcm)[0 + 0] = s0 >> 0;
-      (*pcm)[0 + 1] = s0 >> 8;
-      (*pcm)[2 + 0] = s1 >> 0;
-      (*pcm)[2 + 1] = s1 >> 8;
-
-      *pcm += 2 * 2;
-# elif SAMPLE_DEPTH == 8
-      (*pcm)[0] = s0 ^ 0x80;
-      (*pcm)[1] = s1 ^ 0x80;
-
-      *pcm += 2;
-# else
-#  error "bad SAMPLE_DEPTH"
-# endif
-    }
-  }
-  else {  /* mono */
-    while (nsamples--) {
-      s0 = scale(*ch1++, &d0);
-
-# if SAMPLE_DEPTH == 16
-      (*pcm)[0] = s0 >> 0;
-      (*pcm)[1] = s0 >> 8;
-
-      *pcm += 2;
-# elif SAMPLE_DEPTH == 8
-      *(*pcm)++ = s0 ^ 0x80;
-# endif
-    }
-  }
-}
-
-#define INPUT_BUFFER_SIZE  (5*8192)
-#define OUTPUT_BUFFER_SIZE  8192 /* Must be an integer multiple of 4. */
-int mpeg_play(char* fname)
-{
-  unsigned char    InputBuffer[INPUT_BUFFER_SIZE],
-            OutputBuffer[OUTPUT_BUFFER_SIZE],
-            *OutputPtr=OutputBuffer;
-  const unsigned char  *OutputBufferEnd=OutputBuffer+OUTPUT_BUFFER_SIZE;
-  int          Status=0,
-            i;
-  unsigned long    FrameCount=0;
-  sound_t sound;
-  int fd;
-  mp3entry mp3;
-  register signed int s0, s1;
-  static struct dither d0, d1;
-  
-  mp3info(&mp3, fname);
-
-  init_sound(&sound);
-
-  /* Configure sound device for this file - always select Stereo because
-     some sound cards don't support mono */
-  config_sound(&sound,mp3.frequency,2);
-
-  fd=x11_open(fname,O_RDONLY);
-  if (fd < 0) {
-    fprintf(stderr,"could not open %s\n",fname);
-    return 0;
-  }
-
-  /* First the structures used by libmad must be initialized. */
-  mad_stream_init(&Stream);
-  mad_frame_init(&Frame);
-  mad_synth_init(&Synth);
-  mad_timer_reset(&Timer);
-
-  do
-  {
-    if (button_get()) break; /* Return if a key is pressed */
-
-    if(Stream.buffer==NULL || Stream.error==MAD_ERROR_BUFLEN)
-    {
-      size_t ReadSize,Remaining;
-      unsigned char *ReadStart;
-
-      if(Stream.next_frame!=NULL)
-      {
-        Remaining=Stream.bufend-Stream.next_frame;
-        memmove(InputBuffer,Stream.next_frame,Remaining);
-        ReadStart=InputBuffer+Remaining;
-        ReadSize=INPUT_BUFFER_SIZE-Remaining;
-      }
-      else
-        ReadSize=INPUT_BUFFER_SIZE,
-          ReadStart=InputBuffer,
-          Remaining=0;
-      
-      ReadSize=read(fd,ReadStart,ReadSize);
-      if(ReadSize<=0)
-      {
-        fprintf(stderr,"end of input stream\n");
-        break;
-      }
-
-      mad_stream_buffer(&Stream,InputBuffer,ReadSize+Remaining);
-      Stream.error=0;
-    }
-
-    if(mad_frame_decode(&Frame,&Stream)) {
-      if(MAD_RECOVERABLE(Stream.error))
-      {
-        fprintf(stderr,"recoverable frame level error\n");
-        fflush(stderr);
-        continue;
-      }
-      else
-        if(Stream.error==MAD_ERROR_BUFLEN) {
-          continue;
-        } else {
-          fprintf(stderr,"unrecoverable frame level error\n");
-          Status=1;
-          break;
-        }
-    }
-
-    FrameCount++;
-    mad_timer_add(&Timer,Frame.header.duration);
-        
-    mad_synth_frame(&Synth,&Frame);
-
-    for(i=0;i<Synth.pcm.length;i++)
-    {
-      unsigned short  Sample;
-
-      /* Left channel */
-      Sample=scale(Synth.pcm.samples[0][i],&d0);
-      *(OutputPtr++)=Sample&0xff;
-      *(OutputPtr++)=Sample>>8;
-
-      /* Right channel. If the decoded stream is monophonic then
-       * the right output channel is the same as the left one.
-       */
-      if(MAD_NCHANNELS(&Frame.header)==2)
-        Sample=scale(Synth.pcm.samples[1][i],&d0);
-      *(OutputPtr++)=Sample&0xff;
-      *(OutputPtr++)=Sample>>8;
-
-      /* Flush the buffer if it is full. */
-      if(OutputPtr==OutputBufferEnd)
-      {
-        if(output_sound(&sound,OutputBuffer,OUTPUT_BUFFER_SIZE)!=OUTPUT_BUFFER_SIZE)
-        {
-          fprintf(stderr,"PCM write error.\n");
-          Status=2;
-          break;
-        }
-        OutputPtr=OutputBuffer;
-      }
-    }
-  }while(1);
-
-  /* Mad is no longer used, the structures that were initialized must
-     * now be cleared.
-   */
-  mad_synth_finish(&Synth);
-  mad_frame_finish(&Frame);
-  mad_stream_finish(&Stream);
-
-  /* If the output buffer is not empty and no error occured during
-     * the last write, then flush it.
-   */
-  if(OutputPtr!=OutputBuffer && Status!=2)
-  {
-    size_t  BufferSize=OutputPtr-OutputBuffer;
-
-    if(write(sound,OutputBuffer,1,BufferSize)!=BufferSize)
-    {
-      fprintf(stderr,"PCM write error\n");
-      Status=2;
-    }
-  }
-
-  /* Accounting report if no error occured. */
-  if(!Status)
-  {
-    char  Buffer[80];
-
-    mad_timer_string(Timer,Buffer,"%lu:%02lu.%03u",
-             MAD_UNITS_MINUTES,MAD_UNITS_MILLISECONDS,0);
-    fprintf(stderr,"%lu frames decoded (%s).\n",FrameCount,Buffer);
-  }
-
-  close_sound(&sound);
-  /* That's the end of the world (in the H. G. Wells way). */
-  return(Status);
-}
-
-
-#endif