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, 602 deletions

diff --git a/src/libxinevdec/fli.c b/src/libxinevdec/fli.c
deleted file mode 100644
index 1baa1f6a5..000000000
--- a/src/libxinevdec/fli.c
+++ /dev/null
@@ -1,602 +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
- *
- * FLI Video Decoder by Mike Melanson (melanson@pcisys.net) and
- * Roberto Togni <rtogni@bresciaonline.it>
- * For more information on the FLI format, as well as various traps to
- * avoid when implementing a FLI decoder, visit:
- *   http://www.pcisys.net/~melanson/codecs/
- * 
- * $Id: fli.c,v 1.27 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 "xine_internal.h"
-#include "video_out.h"
-#include "buffer.h"
-#include "xineutils.h"
-#include "bswap.h"
-
-#define VIDEOBUFSIZE 128*1024
-
-#define PALETTE_SIZE (256 * 4)
-
-#define FLI_256_COLOR 4
-#define FLI_DELTA     7
-#define FLI_COLOR     11
-#define FLI_LC        12
-#define FLI_BLACK     13
-#define FLI_BRUN      15
-#define FLI_COPY      16
-#define FLI_MINI      18
-
-/**************************************************************************
- * fli specific decode functions
- *************************************************************************/
-
-typedef struct {
-  video_decoder_class_t   decoder_class;
-} fli_class_t;
-
-typedef struct fli_decoder_s {
-  video_decoder_t   video_decoder;  /* parent video decoder structure */
-
-  fli_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 */
-
-  int               width;       /* the width of a video frame */
-  int               height;      /* the height of a video frame */
-  double            ratio;       /* the width to height ratio */
-
-  /* FLI decoding parameters */
-  unsigned char     yuv_palette[PALETTE_SIZE];
-  yuv_planes_t      yuv_planes;
-  unsigned char    *ghost_image;
-  int               magic_number;  /* FLI file magic number, e.g., 0xAF11 */
-  
-} fli_decoder_t;
-
-static void decode_fli_frame(fli_decoder_t *this) {
-  int stream_ptr = 0;
-  int stream_ptr_after_color_chunk;
-  int pixel_ptr;
-  int palette_ptr1;
-  int palette_ptr2;
-  unsigned char palette_idx1;
-  unsigned char palette_idx2;
-
-  unsigned int frame_size;
-  int num_chunks;
-
-  unsigned int chunk_size;
-  int chunk_type;
-
-  int i, j;
-
-  int color_packets;
-  int color_changes;
-  int color_shift;
-  unsigned char r, g, b;
-
-  int lines, x;
-  int compressed_lines;
-  int starting_line;
-  signed short line_packets;
-  int y_ptr;
-  signed char byte_run;
-  int pixel_skip;
-  int update_whole_frame = 0;   /* palette change flag */
-  int ghost_pixel_ptr;
-  int ghost_y_ptr;
-  int pixel_countdown;
-
-  frame_size = LE_32(&this->buf[stream_ptr]);
-  stream_ptr += 6;  /* skip the magic number */
-  num_chunks = LE_16(&this->buf[stream_ptr]);
-  stream_ptr += 10;  /* skip padding */
-
-  /* iterate through the chunks */
-  frame_size -= 16;
-  while ((frame_size > 0) && (num_chunks > 0)) {
-    chunk_size = LE_32(&this->buf[stream_ptr]);
-    stream_ptr += 4;
-    chunk_type = LE_16(&this->buf[stream_ptr]);
-    stream_ptr += 2;
-
-    switch (chunk_type) {
-    case FLI_256_COLOR:
-    case FLI_COLOR:
-      stream_ptr_after_color_chunk = stream_ptr + chunk_size - 6;
-      /* check special case: if this has the internal magic number of
-       * 0xAF13, this file is from the Magic Carpet game and uses 6-bit
-       * colors even though it reports 256-color chunks in a 0xAF12-type
-       * file */
-      if ((chunk_type == FLI_256_COLOR) && (this->magic_number != 0xAF13))
-        color_shift = 0;
-      else
-        color_shift = 2;
-      /* set up the palette */
-      color_packets = LE_16(&this->buf[stream_ptr]);
-      stream_ptr += 2;
-      palette_ptr1 = 0;
-      for (i = 0; i < color_packets; i++) {
-        /* first byte is how many colors to skip */
-        palette_ptr1 += (this->buf[stream_ptr++] * 4);
-
-        /* next byte indicates how many entries to change */
-        color_changes = this->buf[stream_ptr++];
-
-        /* if there are 0 color changes, there are actually 256 */
-        if (color_changes == 0)
-          color_changes = 256;
-
-        for (j = 0; j < color_changes; j++) {
-
-          /* wrap around, for good measure */
-          if (palette_ptr1 >= PALETTE_SIZE)
-            palette_ptr1 = 0;
-
-          r = this->buf[stream_ptr + 0] << color_shift;
-          g = this->buf[stream_ptr + 1] << color_shift;
-          b = this->buf[stream_ptr + 2] << color_shift;
-
-          this->yuv_palette[palette_ptr1++] = COMPUTE_Y(r, g, b);
-          this->yuv_palette[palette_ptr1++] = COMPUTE_U(r, g, b);
-          this->yuv_palette[palette_ptr1++] = COMPUTE_V(r, g, b);
-
-          palette_ptr1++;
-          stream_ptr += 3;
-        }
-      }
-
-      /* color chunks sometimes have weird 16-bit alignment issues;
-       * therefore, take the hardline approach and set the stream_ptr
-       * to the value calculate w.r.t. the size specified by the color
-       * chunk header */
-      stream_ptr = stream_ptr_after_color_chunk;
-
-      /* palette has changed, must update frame */
-      update_whole_frame = 1;
-      break;
-
-    case FLI_DELTA:
-      y_ptr = ghost_y_ptr = 0;
-      compressed_lines = LE_16(&this->buf[stream_ptr]);
-      stream_ptr += 2;
-      while (compressed_lines > 0) {
-        line_packets = LE_16(&this->buf[stream_ptr]);
-        stream_ptr += 2;
-        if (line_packets < 0) {
-          line_packets = -line_packets;
-          y_ptr += (line_packets * this->yuv_planes.row_width);
-          ghost_y_ptr += (line_packets * this->width);
-        } else {
-          pixel_ptr = y_ptr;
-          ghost_pixel_ptr = ghost_y_ptr;
-          for (i = 0; i < line_packets; i++) {
-            /* account for the skip bytes */
-            pixel_skip = this->buf[stream_ptr++];
-            pixel_ptr += pixel_skip;
-            ghost_pixel_ptr += pixel_skip;
-            byte_run = this->buf[stream_ptr++];
-            if (byte_run < 0) {
-              byte_run = -byte_run;
-              palette_ptr1 = (palette_idx1 = this->buf[stream_ptr++]) * 4;
-              palette_ptr2 = (palette_idx2 = this->buf[stream_ptr++]) * 4;
-              for (j = 0; j < byte_run; j++) {
-                this->ghost_image[ghost_pixel_ptr++] = palette_idx1;
-                this->yuv_planes.y[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 0];
-                this->yuv_planes.u[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 1];
-                this->yuv_planes.v[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 2];
-                pixel_ptr++;
-
-                this->ghost_image[ghost_pixel_ptr++] = palette_idx2;
-                this->yuv_planes.y[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr2 + 0];
-                this->yuv_planes.u[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr2 + 1];
-                this->yuv_planes.v[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr2 + 2];
-                pixel_ptr++;
-              }
-            } else {
-              for (j = 0; j < byte_run * 2; j++) {
-                palette_ptr1 = (palette_idx1 = this->buf[stream_ptr++]) * 4;
-                this->ghost_image[ghost_pixel_ptr++] = palette_idx1;
-                this->yuv_planes.y[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 0];
-                this->yuv_planes.u[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 1];
-                this->yuv_planes.v[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 2];
-                pixel_ptr++;
-              }
-            }
-          }
-
-          y_ptr += this->yuv_planes.row_width;
-          ghost_y_ptr += this->width;
-          compressed_lines--;
-        }
-      }
-      break;
-
-    case FLI_LC:
-      /* line compressed */
-      starting_line = LE_16(&this->buf[stream_ptr]);
-      stream_ptr += 2;
-      y_ptr = starting_line * this->yuv_planes.row_width;
-      ghost_y_ptr = starting_line * this->width;
-
-      compressed_lines = LE_16(&this->buf[stream_ptr]);
-      stream_ptr += 2;
-      while (compressed_lines > 0) {
-        pixel_ptr = y_ptr;
-        ghost_pixel_ptr = ghost_y_ptr;
-        line_packets = this->buf[stream_ptr++];
-        if (line_packets > 0) {
-          for (i = 0; i < line_packets; i++) {
-            /* account for the skip bytes */
-            pixel_skip = this->buf[stream_ptr++];
-            pixel_ptr += pixel_skip;
-            ghost_pixel_ptr += pixel_skip;
-            byte_run = this->buf[stream_ptr++];
-            if (byte_run > 0) {
-              for (j = 0; j < byte_run; j++) {
-                palette_ptr1 = (palette_idx1 = this->buf[stream_ptr++]) * 4;
-                this->ghost_image[ghost_pixel_ptr++] = palette_idx1;
-                this->yuv_planes.y[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 0];
-                this->yuv_planes.u[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 1];
-                this->yuv_planes.v[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 2];
-                pixel_ptr++;
-              }
-            } else {
-              byte_run = -byte_run;
-              palette_ptr1 = (palette_idx1 = this->buf[stream_ptr++]) * 4;
-              for (j = 0; j < byte_run; j++) {
-                this->ghost_image[ghost_pixel_ptr++] = palette_idx1;
-                this->yuv_planes.y[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 0];
-                this->yuv_planes.u[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 1];
-                this->yuv_planes.v[pixel_ptr] = 
-                  this->yuv_palette[palette_ptr1 + 2];
-                pixel_ptr++;
-              }
-            }
-          }
-        }
-
-        y_ptr += this->yuv_planes.row_width;
-        ghost_y_ptr += this->width;
-        compressed_lines--;
-      }
-      break;
-
-    case FLI_BLACK:
-      /* set the whole frame to color 0 (which is usually black) by
-       * clearing the ghost image and trigger a full frame update */
-      memset(this->ghost_image, 0, 
-        this->width * this->height * sizeof(unsigned char));
-      update_whole_frame = 1;
-      break;
-
-    case FLI_BRUN:
-      /* Byte run compression: This chunk type only occurs in the first
-       * FLI frame and it will update the entire frame. Take a lazy
-       * approach and update only the ghost image. Then let the ghost
-       * image updater at the end of the decoder handle the rest. */
-      update_whole_frame = 1;
-      ghost_y_ptr = 0;
-      for (lines = 0; lines < this->height; lines++) {
-        ghost_pixel_ptr = ghost_y_ptr;
-        /* disregard the line packets; instead, iterate through all
-         * pixels on a row */
-        stream_ptr++;
-        pixel_countdown = this->width;
-        while (pixel_countdown > 0) {
-          byte_run = this->buf[stream_ptr++];
-          if (byte_run > 0) {
-            palette_ptr1 = (palette_idx1 = this->buf[stream_ptr++]) * 4;
-            for (j = 0; j < byte_run; j++) {
-              this->ghost_image[ghost_pixel_ptr++] = palette_idx1;
-              pixel_countdown--;
-              if (pixel_countdown < 0)
-                xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, 
-			 "fli warning: pixel_countdown < 0 (%d)\n", pixel_countdown);
-            }
-          } else {  /* copy bytes if byte_run < 0 */
-            byte_run = -byte_run;
-            for (j = 0; j < byte_run; j++) {
-              palette_ptr1 = (palette_idx1 = this->buf[stream_ptr++]) * 4;
-              this->ghost_image[ghost_pixel_ptr++] = palette_idx1;
-              pixel_countdown--;
-              if (pixel_countdown < 0)
-                xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, 
-			 "fli warning: pixel_countdown < 0 (%d)\n", pixel_countdown);
-            }
-          }
-        }
-
-        ghost_y_ptr += this->width;
-      }
-      break;
-
-    case FLI_COPY:
-      /* copy the chunk (uncompressed frame) to the ghost image and
-       * schedule the whole frame to be updated */
-      if (chunk_size - 6 > this->width * this->height) {
-        xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, 
-		"FLI: in chunk FLI_COPY : source data (%d bytes) bigger than image, skipping chunk\n",
-		chunk_size - 6);
-	break;
-      } else
-        memcpy(this->ghost_image, &this->buf[stream_ptr], chunk_size - 6);
-      stream_ptr += chunk_size - 6;
-      update_whole_frame = 1;
-      break;
-
-    case FLI_MINI:
-      /* some sort of a thumbnail? disregard this chunk... */
-      stream_ptr += chunk_size - 6;
-      break;
-
-    default:
-      xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, 
-	       "FLI: Unrecognized chunk type: %d\n", chunk_type);
-      break;
-    }
-
-    frame_size -= chunk_size;
-    num_chunks--;
-  }
-
-  if (update_whole_frame) {
-
-    pixel_ptr = ghost_pixel_ptr = 0;
-    for (lines = 0; lines < this->height; lines++) {
-      for (x = 0; x < this->width; x++) {
-        palette_ptr1 = this->ghost_image[ghost_pixel_ptr++] * 4;
-        this->yuv_planes.y[pixel_ptr] = this->yuv_palette[palette_ptr1 + 0];
-        this->yuv_planes.u[pixel_ptr] = this->yuv_palette[palette_ptr1 + 1];
-        this->yuv_planes.v[pixel_ptr] = this->yuv_palette[palette_ptr1 + 2];
-        pixel_ptr++;
-      }
-    }
-  }
-
-  /* by the end of the chunk, the stream ptr should equal the frame 
-   * size (minus 1, possibly); if it doesn't, issue a warning */
-  if ((stream_ptr != this->size) && (stream_ptr != this->size - 1))
-    xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, 
-	     "warning: processed FLI chunk where chunk size = %d\nand final chunk ptr = %d\n",
-	     this->size, stream_ptr);
-}
-
-/**************************************************************************
- * 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 fli_decode_data (video_decoder_t *this_gen,
-  buf_element_t *buf) {
-
-  fli_decoder_t *this = (fli_decoder_t *) this_gen;
-  vo_frame_t *img; /* video out frame */
-
-  /* a video decoder does not care about this flag (?) */
-  if (buf->decoder_flags & BUF_FLAG_PREVIEW)
-    return;
-
-  if (buf->decoder_flags & BUF_FLAG_FRAMERATE)
-    this->video_step = buf->decoder_info[0];
-  
-  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);
-
-    /* RGB -> YUV converter requires even width */
-    this->width = (LE_16(&buf->content[8]) + 1) & ~0x1;
-    this->height = LE_16(&buf->content[10]);
-    this->ratio = (double)this->width/(double)this->height;
-    this->magic_number = LE_16(&buf->content[4]);
-
-    this->ghost_image = xine_xmalloc(this->width * this->height);
-    init_yuv_planes(&this->yuv_planes, this->width, this->height);
-
-    if (this->buf)
-      free (this->buf);
-    this->bufsize = VIDEOBUFSIZE;
-    this->buf = malloc(this->bufsize);
-    this->size = 0;
-
-    this->stream->video_out->open (this->stream->video_out, this->stream);
-    this->decoder_ok = 1;
-
-    /* load the stream/meta info */
-    _x_meta_info_set(this->stream, XINE_META_INFO_VIDEOCODEC, "FLI/FLC 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,
-                                        this->width, this->height,
-                                        this->ratio, XINE_IMGFMT_YUY2, VO_BOTH_FIELDS);
-
-      img->duration  = this->video_step;
-      img->pts       = buf->pts;
-      img->bad_frame = 0;
-
-      decode_fli_frame(this);
-      yuv444_to_yuy2(&this->yuv_planes, 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 fli_flush (video_decoder_t *this_gen) {
-}
-
-/*
- * This function resets the video decoder.
- */
-static void fli_reset (video_decoder_t *this_gen) {
-  fli_decoder_t *this = (fli_decoder_t *) this_gen;
-
-  this->size = 0;
-}
-
-static void fli_discontinuity (video_decoder_t *this_gen) {
-}
-
-/*
- * This function frees the video decoder instance allocated to the decoder.
- */
-static void fli_dispose (video_decoder_t *this_gen) {
-
-  fli_decoder_t *this = (fli_decoder_t *) this_gen;
-
-  if (this->buf) {
-    free (this->buf);
-    this->buf = NULL;
-  }
-
-  free_yuv_planes(&this->yuv_planes);
-  free(this->ghost_image);
-
-  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) {
-
-  fli_decoder_t  *this ;
-
-  this = (fli_decoder_t *) xine_xmalloc (sizeof (fli_decoder_t));
-
-  this->video_decoder.decode_data         = fli_decode_data;
-  this->video_decoder.flush               = fli_flush;
-  this->video_decoder.reset               = fli_reset;
-  this->video_decoder.discontinuity       = fli_discontinuity;
-  this->video_decoder.dispose             = fli_dispose;
-  this->size                              = 0;
-
-  this->stream                            = stream;
-  this->class                             = (fli_class_t *) class_gen;
-
-  this->decoder_ok    = 0;
-  this->buf           = NULL;
-
-  return &this->video_decoder;
-}
-
-static char *get_identifier (video_decoder_class_t *this) {
-  return "FLI Video";
-}
-
-static char *get_description (video_decoder_class_t *this) {
-  return "Autodesk Animator FLI/FLC video decoder plugin";
-}
-
-static void dispose_class (video_decoder_class_t *this) {
-  free (this);
-}
-
-static void *init_plugin (xine_t *xine, void *data) {
-
-  fli_class_t *this;
-
-  this = (fli_class_t *) xine_xmalloc (sizeof (fli_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;
-}
-
-/*
- * exported plugin catalog entry
- */
-
-static uint32_t video_types[] = { 
-  BUF_VIDEO_FLI,
-  0
- };
-
-static decoder_info_t dec_info_video = {
-  video_types,         /* supported types */
-  5                    /* priority        */
-};
-
-plugin_info_t xine_plugin_info[] = {
-  /* type, API, "name", version, special_info, init_function */  
-  { PLUGIN_VIDEO_DECODER, 18, "fli", XINE_VERSION_CODE, &dec_info_video, init_plugin },
-  { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};
-