unused files

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5601 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 0 insertions, 505 deletions

diff --git a/adpcm.c b/adpcm.c
deleted file mode 100644
index c48afddc21..0000000000
--- a/adpcm.c
+++ /dev/null
@@ -1,505 +0,0 @@
-/*
-    Unified ADPCM Decoder for MPlayer
-
-    This file is in charge of decoding all of the various ADPCM data
-    formats that various entities have created. Details about the data
-    formats can be found here:
-      http://www.pcisys.net/~melanson/codecs/
-
-    (C) 2001 Mike Melanson
-*/
-
-#if 0
-#include "config.h"
-#include "bswap.h"
-#include "adpcm.h"
-#include "mp_msg.h"
-
-#define BE_16(x) (be2me_16(*(unsigned short *)(x)))
-#define BE_32(x) (be2me_32(*(unsigned int *)(x)))
-#define LE_16(x) (le2me_16(*(unsigned short *)(x)))
-#define LE_32(x) (le2me_32(*(unsigned int *)(x)))
-
-// pertinent tables
-static int adpcm_step[89] =
-{
-  7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
-  19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
-  50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
-  130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
-  337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
-  876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
-  2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
-  5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
-  15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
-};
-
-static int adpcm_index[16] =
-{
-  -1, -1, -1, -1, 2, 4, 6, 8,
-  -1, -1, -1, -1, 2, 4, 6, 8
-};
-
-static int ms_adapt_table[] =
-{
-  230, 230, 230, 230, 307, 409, 512, 614,
-  768, 614, 512, 409, 307, 230, 230, 230
-};
-
-static int ms_adapt_coeff1[] =
-{
-  256, 512, 0, 192, 240, 460, 392
-};
-
-static int ms_adapt_coeff2[] =
-{
-  0, -256, 0, 64, 0, -208, -232
-};
-
-// useful macros
-// clamp a number between 0 and 88
-#define CLAMP_0_TO_88(x)  if (x < 0) x = 0; else if (x > 88) x = 88;
-// clamp a number within a signed 16-bit range
-#define CLAMP_S16(x)  if (x < -32768) x = -32768; \
-  else if (x > 32767) x = 32767;
-// clamp a number above 16
-#define CLAMP_ABOVE_16(x)  if (x < 16) x = 16;
-// sign extend a 16-bit value
-#define SE_16BIT(x)  if (x & 0x8000) x -= 0x10000;
-// sign extend a 4-bit value
-#define SE_4BIT(x)  if (x & 0x8) x -= 0x10;
-
-void decode_nibbles(unsigned short *output,
-  int output_size, int channels,
-  int predictor_l, int index_l,
-  int predictor_r, int index_r)
-{
-  int step[2];
-  int predictor[2];
-  int index[2];
-  int diff;
-  int i;
-  int sign;
-  int delta;
-  int channel_number = 0;
-
-  step[0] = adpcm_step[index_l];
-  step[1] = adpcm_step[index_r];
-  predictor[0] = predictor_l;
-  predictor[1] = predictor_r;
-  index[0] = index_l;
-  index[1] = index_r;
-
-  for (i = 0; i < output_size; i++)
-  {
-    delta = output[i];
-
-    index[channel_number] += adpcm_index[delta];
-    CLAMP_0_TO_88(index[channel_number]);
-
-    sign = delta & 8;
-    delta = delta & 7;
-
-    diff = step[channel_number] >> 3;
-    if (delta & 4) diff += step[channel_number];
-    if (delta & 2) diff += step[channel_number] >> 1;
-    if (delta & 1) diff += step[channel_number] >> 2;
-
-    if (sign)
-      predictor[channel_number] -= diff;
-    else
-      predictor[channel_number] += diff;
-
-    CLAMP_S16(predictor[channel_number]);
-    output[i] = predictor[channel_number];
-    step[channel_number] = adpcm_step[index[channel_number]];
-
-    // toggle channel
-    channel_number ^= channels - 1;
-
-  }
-}
-
-int qt_ima_adpcm_decode_block(unsigned short *output, unsigned char *input,
-  int channels)
-{
-  int initial_predictor_l = 0;
-  int initial_predictor_r = 0;
-  int initial_index_l = 0;
-  int initial_index_r = 0;
-  int i;
-
-  initial_predictor_l = BE_16(&input[0]);
-  initial_index_l = initial_predictor_l;
-
-  // mask, sign-extend, and clamp the predictor portion
-  initial_predictor_l &= 0xFF80;
-  SE_16BIT(initial_predictor_l);
-  CLAMP_S16(initial_predictor_l);
-
-  // mask and clamp the index portion
-  initial_index_l &= 0x7F;
-  CLAMP_0_TO_88(initial_index_l);
-
-  // handle stereo
-  if (channels > 1)
-  {
-    initial_predictor_r = BE_16(&input[IMA_ADPCM_BLOCK_SIZE]);
-    initial_index_r = initial_predictor_r;
-
-    // mask, sign-extend, and clamp the predictor portion
-    initial_predictor_r &= 0xFF80;
-    SE_16BIT(initial_predictor_r);
-    CLAMP_S16(initial_predictor_r);
-
-    // mask and clamp the index portion
-    initial_index_r &= 0x7F;
-    CLAMP_0_TO_88(initial_index_r);
-  }
-
-  // break apart all of the nibbles in the block
-  if (channels == 1)
-    for (i = 0; i < IMA_ADPCM_SAMPLES_PER_BLOCK / 2; i++)
-    {
-      output[i * 2 + 0] = input[2 + i] & 0x0F;
-      output[i * 2 + 1] = input[2 + i] >> 4;
-    }  
-  else
-    for (i = 0; i < IMA_ADPCM_SAMPLES_PER_BLOCK / 2 * 2; i++)
-    {
-      output[i * 4 + 0] = input[2 + i] & 0x0F;
-      output[i * 4 + 1] = input[2 + IMA_ADPCM_BLOCK_SIZE + i] & 0x0F;
-      output[i * 4 + 2] = input[2 + i] >> 4;
-      output[i * 4 + 3] = input[2 + IMA_ADPCM_BLOCK_SIZE + i] >> 4;
-    }  
-
-  decode_nibbles(output,
-    IMA_ADPCM_SAMPLES_PER_BLOCK * channels, channels,
-    initial_predictor_l, initial_index_l,
-    initial_predictor_r, initial_index_r);
-
-  return IMA_ADPCM_SAMPLES_PER_BLOCK * channels;
-}
-
-int ms_ima_adpcm_decode_block(unsigned short *output, unsigned char *input,
-  int channels, int block_size)
-{
-  int initial_predictor_l = 0;
-  int initial_predictor_r = 0;
-  int initial_index_l = 0;
-  int initial_index_r = 0;
-  int i;
-
-  initial_predictor_l = BE_16(&input[0]);
-  initial_index_l = initial_predictor_l;
-
-  // mask, sign-extend, and clamp the predictor portion
-  initial_predictor_l &= 0xFF80;
-  SE_16BIT(initial_predictor_l);
-  CLAMP_S16(initial_predictor_l);
-
-  // mask and clamp the index portion
-  initial_index_l &= 0x7F;
-  CLAMP_0_TO_88(initial_index_l);
-
-  // handle stereo
-  if (channels > 1)
-  {
-    initial_predictor_r = BE_16(&input[IMA_ADPCM_BLOCK_SIZE]);
-    initial_index_r = initial_predictor_r;
-
-    // mask, sign-extend, and clamp the predictor portion
-    initial_predictor_r &= 0xFF80;
-    SE_16BIT(initial_predictor_r);
-    CLAMP_S16(initial_predictor_r);
-
-    // mask and clamp the index portion
-    initial_index_r &= 0x7F;
-    CLAMP_0_TO_88(initial_index_r);
-  }
-
-  // break apart all of the nibbles in the block
-  if (channels == 1)
-    for (i = 0; i < IMA_ADPCM_SAMPLES_PER_BLOCK / 2; i++)
-    {
-      output[i * 2 + 0] = input[2 + i] & 0x0F;
-      output[i * 2 + 1] = input[2 + i] >> 4;
-    }  
-  else
-    for (i = 0; i < IMA_ADPCM_SAMPLES_PER_BLOCK / 2 * 2; i++)
-    {
-      output[i * 4 + 0] = input[2 + i] & 0x0F;
-      output[i * 4 + 1] = input[2 + IMA_ADPCM_BLOCK_SIZE + i] & 0x0F;
-      output[i * 4 + 2] = input[2 + i] >> 4;
-      output[i * 4 + 3] = input[2 + IMA_ADPCM_BLOCK_SIZE + i] >> 4;
-    }  
-
-  decode_nibbles(output,
-    IMA_ADPCM_SAMPLES_PER_BLOCK * channels, channels,
-    initial_predictor_l, initial_index_l,
-    initial_predictor_r, initial_index_r);
-
-  return IMA_ADPCM_SAMPLES_PER_BLOCK * channels;
-}
-
-int ms_adpcm_decode_block(unsigned short *output, unsigned char *input,
-  int channels, int block_size)
-{
-  int current_channel = 0;
-  int idelta[2];
-  int sample1[2];
-  int sample2[2];
-  int coeff1[2];
-  int coeff2[2];
-  int stream_ptr = 0;
-  int out_ptr = 0;
-  int upper_nibble = 1;
-  int nibble;
-  int snibble;  // signed nibble
-  int predictor;
-
-  // fetch the header information, in stereo if both channels are present
-  if (input[stream_ptr] > 6)
-    mp_msg(MSGT_DECAUDIO, MSGL_WARN,
-      "MS ADPCM: coefficient (%d) out of range (should be [0..6])\n",
-      input[stream_ptr]);
-  coeff1[0] = ms_adapt_coeff1[input[stream_ptr]];
-  coeff2[0] = ms_adapt_coeff2[input[stream_ptr]];
-  stream_ptr++;
-  if (channels == 2)
-  {
-    if (input[stream_ptr] > 6)
-     mp_msg(MSGT_DECAUDIO, MSGL_WARN,
-       "MS ADPCM: coefficient (%d) out of range (should be [0..6])\n",
-       input[stream_ptr]);
-    coeff1[1] = ms_adapt_coeff1[input[stream_ptr]];
-    coeff2[1] = ms_adapt_coeff2[input[stream_ptr]];
-    stream_ptr++;
-  }
-
-  idelta[0] = LE_16(&input[stream_ptr]);
-  stream_ptr += 2;
-  SE_16BIT(idelta[0]);
-  if (channels == 2)
-  {
-    idelta[1] = LE_16(&input[stream_ptr]);
-    stream_ptr += 2;
-    SE_16BIT(idelta[1]);
-  }
-
-  sample1[0] = LE_16(&input[stream_ptr]);
-  stream_ptr += 2;
-  SE_16BIT(sample1[0]);
-  if (channels == 2)
-  {
-    sample1[1] = LE_16(&input[stream_ptr]);
-    stream_ptr += 2;
-    SE_16BIT(sample1[1]);
-  }
-
-  sample2[0] = LE_16(&input[stream_ptr]);
-  stream_ptr += 2;
-  SE_16BIT(sample2[0]);
-  if (channels == 2)
-  {
-    sample2[1] = LE_16(&input[stream_ptr]);
-    stream_ptr += 2;
-    SE_16BIT(sample2[1]);
-  }
-
-  while (stream_ptr < block_size)
-  {
-    // get the next nibble
-    if (upper_nibble)
-      nibble = snibble = input[stream_ptr] >> 4;
-    else
-      nibble = snibble = input[stream_ptr++] & 0x0F;
-    upper_nibble ^= 1;
-    SE_4BIT(snibble);
-
-    predictor = (
-      ((sample1[current_channel] * coeff1[current_channel]) +
-       (sample2[current_channel] * coeff2[current_channel])) / 256) +
-      (snibble * idelta[current_channel]);
-    CLAMP_S16(predictor);
-    sample2[current_channel] = sample1[current_channel];
-    sample1[current_channel] = predictor;
-    output[out_ptr++] = predictor;
-
-    // compute the next adaptive scale factor (a.k.a. the variable idelta)
-    idelta[current_channel] = 
-      (ms_adapt_table[nibble] * idelta[current_channel]) / 256;
-    CLAMP_ABOVE_16(idelta[current_channel]);
-
-    // toggle the channel
-    current_channel ^= channels - 1;
-  }
-
-  return (block_size - (MS_ADPCM_PREAMBLE_SIZE * channels)) * 2;
-}
-
-int dk4_adpcm_decode_block(unsigned short *output, unsigned char *input,
-  int channels, int block_size)
-{
-  int i;
-  int output_ptr;
-  int predictor_l = 0;
-  int predictor_r = 0;
-  int index_l = 0;
-  int index_r = 0;
-
-  // the first predictor value goes straight to the output
-  predictor_l = output[0] = LE_16(&input[0]);
-  SE_16BIT(predictor_l);
-  index_l = input[2];
-  if (channels == 2)
-  {
-    predictor_r = output[1] = LE_16(&input[4]);
-    SE_16BIT(predictor_r);
-    index_r = input[6];
-  }
-
-  output_ptr = channels;
-  for (i = DK4_ADPCM_PREAMBLE_SIZE * channels; i < block_size; i++)
-  {
-    output[output_ptr++] = input[i] >> 4;
-    output[output_ptr++] = input[i] & 0x0F;
-  }  
-
-  decode_nibbles(&output[channels],
-  (block_size - DK4_ADPCM_PREAMBLE_SIZE * channels) * 2 - channels,
-  channels,
-  predictor_l, index_l,
-  predictor_r, index_r);
-
-  return (block_size - DK4_ADPCM_PREAMBLE_SIZE * channels) * 2 - channels;
-}
-
-#define DK3_GET_NEXT_NIBBLE() \
-    if (decode_top_nibble_next) \
-    { \
-      nibble = (last_byte >> 4) & 0x0F; \
-      decode_top_nibble_next = 0; \
-    } \
-    else \
-    { \
-      last_byte = input[in_ptr++]; \
-      nibble = last_byte & 0x0F; \
-      decode_top_nibble_next = 1; \
-    }
-
-// note: This decoder assumes the format 0x62 data always comes in
-// stereo flavor
-int dk3_adpcm_decode_block(unsigned short *output, unsigned char *input)
-{
-  int sum_pred;
-  int diff_pred;
-  int sum_index;
-  int diff_index;
-  int diff_channel;
-  int in_ptr = 0x10;
-  int out_ptr = 0;
-
-  unsigned char last_byte = 0;
-  unsigned char nibble;
-  int decode_top_nibble_next = 0;
-
-  // ADPCM work variables
-  int sign;
-  int delta;
-  int step;
-  int diff;
-
-  sum_pred = LE_16(&input[10]);
-  diff_pred = LE_16(&input[12]);
-  SE_16BIT(sum_pred);
-  SE_16BIT(diff_pred);
-  diff_channel = diff_pred;
-  sum_index = input[14];
-  diff_index = input[15];
-
-  while (in_ptr < 2048)
-  {
-    // process the first predictor of the sum channel
-    DK3_GET_NEXT_NIBBLE();
-
-    step = adpcm_step[sum_index];
-
-    sign = nibble & 8;
-    delta = nibble & 7;
-
-    diff = step >> 3;
-    if (delta & 4) diff += step;
-    if (delta & 2) diff += step >> 1;
-    if (delta & 1) diff += step >> 2;
-
-    if (sign)
-      sum_pred -= diff;
-    else
-      sum_pred += diff;
-
-    CLAMP_S16(sum_pred);
-
-    sum_index += adpcm_index[nibble];
-    CLAMP_0_TO_88(sum_index);
-    
-    // process the diff channel predictor
-    DK3_GET_NEXT_NIBBLE();
-
-    step = adpcm_step[diff_index];
-
-    sign = nibble & 8;
-    delta = nibble & 7;
-
-    diff = step >> 3;
-    if (delta & 4) diff += step;
-    if (delta & 2) diff += step >> 1;
-    if (delta & 1) diff += step >> 2;
-
-    if (sign)
-      diff_pred -= diff;
-    else
-      diff_pred += diff;
-
-    CLAMP_S16(diff_pred);
-
-    diff_index += adpcm_index[nibble];
-    CLAMP_0_TO_88(diff_index);
-
-    // output the first pair of stereo PCM samples
-    diff_channel = (diff_channel + diff_pred) / 2;
-    output[out_ptr++] = sum_pred + diff_channel;
-    output[out_ptr++] = sum_pred - diff_channel;
-
-    // process the second predictor of the sum channel
-    DK3_GET_NEXT_NIBBLE();
-
-    step = adpcm_step[sum_index];
-
-    sign = nibble & 8;
-    delta = nibble & 7;
-
-    diff = step >> 3;
-    if (delta & 4) diff += step;
-    if (delta & 2) diff += step >> 1;
-    if (delta & 1) diff += step >> 2;
-
-    if (sign)
-      sum_pred -= diff;
-    else
-      sum_pred += diff;
-
-    CLAMP_S16(sum_pred);
-
-    sum_index += adpcm_index[nibble];
-    CLAMP_0_TO_88(sum_index);
-
-    // output the second pair of stereo PCM samples
-    output[out_ptr++] = sum_pred + diff_channel;
-    output[out_ptr++] = sum_pred - diff_channel;
-  }
-
-  return out_ptr;
-}
-#endif
-