goodbye decoders-- you have served your purpose well and we salute you

CVS patchset: 6256
CVS date: 2004/03/14 21:27:03

1 files changed, 0 insertions, 539 deletions

diff --git a/src/libxinevdec/wc3video.c b/src/libxinevdec/wc3video.c
deleted file mode 100644
index 68ba2b43f..000000000
--- a/src/libxinevdec/wc3video.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/*
- * Copyright (C) 2000-2003 the xine project
- *
- * This file is part of xine, a free video player.
- *
- * xine is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * xine is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
- *
- * Video Decoder for Origin's Wing Commander III MVE Movie Files
- * by Mario Brito (mbrito@student.dei.uc.pt)
- * For more information on the WC3 Movie format, visit:
- *   http://www.pcisys.net/~melanson/codecs/
- *
- * $Id: wc3video.c,v 1.20 2004/02/09 22:04:11 jstembridge Exp $
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "buffer.h"
-#include "xine_internal.h"
-#include "video_out.h"
-#include "xineutils.h"
-#include "bswap.h"
-
-#define VIDEOBUFSIZE 128*1024
-
-#define WC3_WIDTH   320
-#define WC3_HEIGHT  165
-
-typedef struct {
-  video_decoder_class_t   decoder_class;
-} wc3video_class_t;
-
-typedef struct wc3video_decoder_s {
-  video_decoder_t   video_decoder;  /* parent video decoder structure */
-
-  wc3video_class_t *class;
-  xine_stream_t    *stream;
-
-  /* these are traditional variables in a video decoder object */
-  uint64_t          video_step;  /* frame duration in pts units */
-  int               decoder_ok;  /* current decoder status */
-  int               skipframes;
-
-  unsigned char    *buf;         /* the accumulated buffer data */
-  int               bufsize;     /* the maximum size of buf */
-  int               size;        /* the current size of buf */
-
-  unsigned char     yuv_palette[256 * 4];
-
-  yuv_planes_t      yuv_planes1;
-  yuv_planes_t      yuv_planes2;
-
-  yuv_planes_t     *current_frame;
-  yuv_planes_t     *last_frame;
-
-  /* this is either 1 or 2 indicating the current_frame points to yuv_planes
-   * structure 1 or 2 */
-  int               current_planes;
-
-  double            ratio;
-
-} wc3video_decoder_t;
-
-/**************************************************************************
- * WC3 video specific decode functions
- *************************************************************************/
-
-#define SIZE (WC3_WIDTH * WC3_HEIGHT)
-#define BYTE unsigned char
-
-static BYTE buffer1[SIZE];
-static BYTE buffer2[SIZE];
-
-static BYTE * part1;
-static BYTE * part2;
-static BYTE * part3;
-static BYTE * part4;
-
-static void bytecopy(BYTE * dest, BYTE * src, int count) {
-
-  int i;
-
-  /* Don't use memcpy because the memory locations often overlap and
-   * memcpy doesn't like that; it's not uncommon, for example, for 
-   * dest = src+1, to turn byte A into  pattern AAAAAAAA.
-   * This was originally repz movsb. */
-   for (i = 0; i < count; i ++)
-     dest[i] = src[i];
-}
-
-static void wc3_build_frame (wc3video_decoder_t *this) {
-
-  int frame_size = WC3_WIDTH * WC3_HEIGHT;
-  int index = 0;
-  BYTE pixel;
-  BYTE y, u, v;
-  int size = 0;
-  BYTE flag = 0;
-  int func;
-
-  while (index < frame_size) {
-    func = *part1++;
-    size = 0;
-
-    switch (func) {
-      case 0:
-        flag ^= 1;
-        continue;
-
-      case 1:
-      case 2:
-      case 3:
-      case 4:
-      case 5:
-      case 6:
-      case 7:
-      case 8:
-        size = func;
-        break;
-
-      case 12:
-      case 13:
-      case 14:
-      case 15:
-      case 16:
-      case 17:
-      case 18:
-        size += (func - 10);
-        break;
-
-      case 9:
-      case 19:
-        size = (*part2++);
-        break;
-
-      case 10:
-      case 20:
-        size = BE_16(&part2[0]);
-        part2 += 2;
-        break;
-
-      case 11:
-      case 21:
-        size = (part2[0] << 16) | (part2[1] << 8) | part2[2];
-        part2 += 3;
-        break;
-    }
-
-    /* run is unchanged from last frame */
-    if (func < 12) {
-      flag = flag ^ 1;
-      if ( flag ) {
-        xine_fast_memcpy(
-          &this->current_frame->y[index], 
-          &this->last_frame->y[index],
-          size);
-        xine_fast_memcpy(
-          &this->current_frame->u[index], 
-          &this->last_frame->u[index],
-          size);
-        xine_fast_memcpy(
-          &this->current_frame->v[index], 
-          &this->last_frame->v[index],
-          size);
-        index += size;
-      } else {
-        while (size > 0) {
-          pixel = *part4++;
-          y = this->yuv_palette[pixel * 4 + 0];
-          u = this->yuv_palette[pixel * 4 + 1];
-          v = this->yuv_palette[pixel * 4 + 2];
-          this->current_frame->y[index] = y;
-          this->current_frame->u[index] = u;
-          this->current_frame->v[index] = v;
-          index++;
-          size --;
-        }
-      }
-    } else {
-      /* run displacement from last frame */
-      int x = (*part3 >> 4) & 0xf;
-      int y = *part3 & 0xf;
-      part3++;
-
-      /* extend sign */
-      if (x & 8)  x |= 0xfffffff0;
-      if (y & 8)  y |= 0xfffffff0;
-
-      /* copy a run of pixels from the previous frame */
-      xine_fast_memcpy(
-        &this->current_frame->y[index], 
-        &this->last_frame->y[index + x + y * WC3_WIDTH],
-        size);
-      xine_fast_memcpy(
-        &this->current_frame->u[index], 
-        &this->last_frame->u[index + x + y * WC3_WIDTH],
-        size);
-      xine_fast_memcpy(
-        &this->current_frame->v[index], 
-        &this->last_frame->v[index + x + y * WC3_WIDTH],
-        size);
-      index += size;
-
-      flag = 0;
-    }
-  }
-}
-
-static void wc3_do_part4 (BYTE * dest, BYTE * src) {
-
-  int func;
-  int size;
-  int offset;
-  int byte1, byte2, byte3;
-
-  for (;;) {
-    func = *src++;
-
-    if ( (func & 0x80) == 0 ) {
-
-      offset = *src++;
-
-      size = func & 3;
-      bytecopy(dest, src, size);  dest += size;  src += size;
-
-      size = ((func & 0x1c) >> 2) + 3;
-      bytecopy (dest, dest - (  ((func & 0x60) << 3) + offset + 1  ), size);
-      dest += size;
-
-    } else if ( (func & 0x40) == 0 ) {
-
-      byte1 = *src++;
-      byte2 = *src++;
-
-      size = byte1 >> 6;
-      bytecopy (dest, src, size);  dest += size;  src += size;
-
-      size = (func & 0x3f) + 4;
-      bytecopy (dest, dest - (((byte1 & 0x3f) << 8) + byte2 + 1), size);
-      dest += size;
-
-    } else if ( (func & 0x20) == 0 ) {
-
-      byte1 = *src++;
-      byte2 = *src++;
-      byte3 = *src++;
-
-      size = func & 3;
-      bytecopy (dest, src, size);  dest += size;  src += size;
-
-      size = byte3 + 5 + ((func & 0xc) << 6);
-      bytecopy (dest,
-        dest - ((((func & 0x10) >> 4) << 0x10) + 1 + (byte1 << 8) + byte2),
-        size);
-      dest += size;
-    } else {
-      size = ((func & 0x1f) << 2) + 4;
-
-      if (size > 0x70)
-        break;
-
-      bytecopy (dest, src, size);  dest += size;  src += size;
-    }
-  }
-
-  size = func & 3;
-  bytecopy(dest, src, size);  dest += size;  src += size;
-}
-
-static void wc3_do_part1 (BYTE * dest, BYTE * src) {
-
-  BYTE byte = *src++;
-  BYTE ival = byte + 0x16;
-  BYTE * ptr = src + byte*2;
-  BYTE val = ival;
-  int counter = 0;
-
-  BYTE bits = *ptr++;
-
-  while ( val != 0x16 ) {
-    if ( (1 << counter) & bits )
-      val = src[byte + val - 0x17];
-    else
-      val = src[val - 0x17];
-
-    if ( val < 0x16 ) {
-      *dest++ = val;
-      val = ival;
-    }
-
-    if (counter++ == 7) {
-      counter = 0;
-      bits = *ptr++;
-    }
-  }
-}
-
-static void wc3_decode_frame (wc3video_decoder_t *this) {
-
-  BYTE * ptr;
-
-  part1 = buffer1;
-  part4 = buffer2;
-
-  wc3_do_part1(part1, this->buf + LE_16(&this->buf[0]));
-  part2 = this->buf + LE_16(&this->buf[2]);
-  part3 = this->buf + LE_16(&this->buf[4]);
-
-  ptr = this->buf + LE_16(&this->buf[6]);
-  if (*ptr++ == 2)
-    wc3_do_part4(part4, ptr);
-  else
-    part4 = ptr;
-
-  wc3_build_frame(this);
-}
-
-/**************************************************************************
- * xine video plugin functions
- *************************************************************************/
-
-/*
- * This function receives a buffer of data from the demuxer layer and
- * figures out how to handle it based on its header flags.
- */
-static void wc3video_decode_data (video_decoder_t *this_gen,
-  buf_element_t *buf) {
-
-  wc3video_decoder_t *this = (wc3video_decoder_t *) this_gen;
-  palette_entry_t *palette;
-  int i;
-
-  vo_frame_t *img; /* video out frame */
-
-  /* a video decoder does not care about this flag (?) */
-  if (buf->decoder_flags & BUF_FLAG_PREVIEW)
-    return;
-
-  /* convert the RGB palette to a YUV palette */
-  if ((buf->decoder_flags & BUF_FLAG_SPECIAL) &&
-      (buf->decoder_info[1] == BUF_SPECIAL_PALETTE)) {
-    palette = (palette_entry_t *)buf->decoder_info_ptr[2];
-    for (i = 0; i < buf->decoder_info[2]; i++) {
-      this->yuv_palette[i * 4 + 0] =
-        COMPUTE_Y(palette[i].r, palette[i].g, palette[i].b);
-      this->yuv_palette[i * 4 + 1] =
-        COMPUTE_U(palette[i].r, palette[i].g, palette[i].b);
-      this->yuv_palette[i * 4 + 2] =
-        COMPUTE_V(palette[i].r, palette[i].g, palette[i].b);
-    }
-  }
-  
-  if (buf->decoder_flags & BUF_FLAG_FRAMERATE) {
-    this->video_step = buf->decoder_info[0];
-    _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, this->video_step);
-  }
-
-  if (buf->decoder_flags & BUF_FLAG_HEADER) { /* need to initialize */
-    this->stream->video_out->open (this->stream->video_out, this->stream);
-
-    if(this->buf)
-      free(this->buf);
-
-    if (this->buf)
-      free (this->buf);
-    this->bufsize = VIDEOBUFSIZE;
-    this->buf = malloc(this->bufsize);
-    this->size = 0;
-
-    init_yuv_planes(&this->yuv_planes1, WC3_WIDTH, WC3_HEIGHT);
-    init_yuv_planes(&this->yuv_planes2, WC3_WIDTH, WC3_HEIGHT);
-    this->current_planes = 1;
-
-    this->decoder_ok = 1;
-
-    /* load the stream/meta info */
-    _x_meta_info_set(this->stream, XINE_META_INFO_VIDEOCODEC, "Wing Commander III Video");
-
-    return;
-  } else if (this->decoder_ok) {
-
-    if (this->size + buf->size > this->bufsize) {
-      this->bufsize = this->size + 2 * buf->size;
-      this->buf = realloc (this->buf, this->bufsize);
-    }
-
-    xine_fast_memcpy (&this->buf[this->size], buf->content, buf->size);
-
-    this->size += buf->size;
-
-    if (buf->decoder_flags & BUF_FLAG_FRAME_END) {
-
-      img = this->stream->video_out->get_frame (this->stream->video_out,
-                                        WC3_WIDTH, WC3_HEIGHT,
-                                        this->ratio, XINE_IMGFMT_YUY2, VO_BOTH_FIELDS);
-
-      img->duration  = this->video_step;
-      img->pts       = buf->pts;
-      img->bad_frame = 0;
-
-      if (this->current_planes == 1) {
-        this->current_planes = 2;
-        this->current_frame = &this->yuv_planes1;
-        this->last_frame = &this->yuv_planes2;
-      } else {
-        this->current_planes = 1;
-        this->current_frame = &this->yuv_planes2;
-        this->last_frame = &this->yuv_planes1;
-      }
-
-      wc3_decode_frame (this);
-      yuv444_to_yuy2(this->current_frame, img->base[0], img->pitches[0]);
-
-      img->draw(img, this->stream);
-      img->free(img);
-
-      this->size = 0;
-    }
-  }
-}
-
-/*
- * This function is called when xine needs to flush the system. Not
- * sure when or if this is used or even if it needs to do anything.
- */
-static void wc3video_flush (video_decoder_t *this_gen) {
-}
-
-/*
- * This function resets the video decoder.
- */
-static void wc3video_reset (video_decoder_t *this_gen) {
-  wc3video_decoder_t *this = (wc3video_decoder_t *) this_gen;
-
-  this->size = 0;
-}
-
-static void wc3video_discontinuity (video_decoder_t *this_gen) {
-}
-
-/*
- * This function frees the video decoder instance allocated to the decoder.
- */
-static void wc3video_dispose (video_decoder_t *this_gen) {
-
-  wc3video_decoder_t *this = (wc3video_decoder_t *) this_gen;
-
-  if (this->buf) {
-    free (this->buf);
-    this->buf = NULL;
-  }
-
-  if (this->decoder_ok) {
-    this->decoder_ok = 0;
-    this->stream->video_out->close(this->stream->video_out, this->stream);
-  }
-
-  free (this_gen);
-}
-
-static video_decoder_t *open_plugin (video_decoder_class_t *class_gen, xine_stream_t *stream) {
-
-  wc3video_decoder_t  *this ;
-
-  this = (wc3video_decoder_t *) xine_xmalloc (sizeof (wc3video_decoder_t));
-
-  this->video_decoder.decode_data         = wc3video_decode_data;
-  this->video_decoder.flush               = wc3video_flush;
-  this->video_decoder.reset               = wc3video_reset;
-  this->video_decoder.discontinuity       = wc3video_discontinuity;
-  this->video_decoder.dispose             = wc3video_dispose;
-  this->size                              = 0;
-
-  this->stream                            = stream;
-  this->class                             = (wc3video_class_t *) class_gen;
-
-  this->decoder_ok    = 0;
-  this->buf           = NULL;
-
-  this->ratio         = (double)WC3_WIDTH/(double)WC3_HEIGHT;
-
-  return &this->video_decoder;
-}
-
-static char *get_identifier (video_decoder_class_t *this) {
-  return "WC3 Video";
-}
-
-static char *get_description (video_decoder_class_t *this) {
-  return "Wing Commander III video decoder plugin";
-}
-
-static void dispose_class (video_decoder_class_t *this) {
-  free (this);
-}
-
-static void *init_plugin (xine_t *xine, void *data) {
-
-  wc3video_class_t *this;
-
-  this = (wc3video_class_t *) xine_xmalloc (sizeof (wc3video_class_t));
-
-  this->decoder_class.open_plugin     = open_plugin;
-  this->decoder_class.get_identifier  = get_identifier;
-  this->decoder_class.get_description = get_description;
-  this->decoder_class.dispose         = dispose_class;
-
-  return this;
-}
-
-/* plugin catalog information */
-static uint32_t supported_types[] = { BUF_VIDEO_WC3, 0 };
-
-static decoder_info_t video_decoder_info = {
-  supported_types,     /* supported types */
-  9                    /* priority        */
-};
-
-plugin_info_t xine_plugin_info[] = {
-  /* type, API, "name", version, special_info, init_function */  
-  { PLUGIN_VIDEO_DECODER, 18, "wc3video", XINE_VERSION_CODE, &video_decoder_info, &init_plugin },
-  { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};