finally removing the unmaintained libdivx4, libmpg123 and libxvid decoders

CVS patchset: 6478
CVS date: 2004/05/02 19:49:52

1 files changed, 0 insertions, 603 deletions

diff --git a/src/libdivx4/xine_decoder.c b/src/libdivx4/xine_decoder.c
deleted file mode 100644
index 5867a643b..000000000
--- a/src/libdivx4/xine_decoder.c
+++ /dev/null
@@ -1,603 +0,0 @@
-/* 
- * Copyright (C) 2001-2004 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
- *
- * $Id: xine_decoder.c,v 1.51 2004/03/03 20:09:13 mroi Exp $
- *
- * xine decoder plugin using divx4
- *
- * by Harm van der Heijden <hrm@users.sourceforge.net>
- * Based on the ffmpeg xine plugin, with ideas from avifile's 
- * (http://avifile.sourceforge.net) divx4 plugin.
- *
- * Requires the divxdecore library. Find it at http://www.divx.com or 
- * http://avifile.sourceforge.net 
- * This plugin may or may not work with the open source codec OpenDivx.
- *
- * This is My First Plugin (tm). Read the source comments for hairy details.
- *
- */
-
-/* 1: catch segmentation fault signal when checking version of libdivxdecore
- * 0: don't try to catch 
- * set to 0 if the signal stuff gives problems. tested in x86 linux w/ glibc2.
- */
-#define CATCH_SIGSEGV 1
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <string.h>
-#include <dlfcn.h>
-
-#define LOG_MODULE "divx4_decoder"
-#define LOG_VERBOSE
-/*
-#define LOG
-*/
-
-#include "xine_internal.h"
-#include "video_out.h"
-#include "buffer.h"
-#include "metronom.h"
-#include "xineutils.h"
-
-#include "decore-if.h"
-
-#if CATCH_SIGSEGV
-#include <signal.h>
-
-/* to be able to restore the old handler */
-void (*old_handler)(int);
-
-void catch_sigsegv(int sig)
-{
-  printf("divx4: caught SIGSEGV, caused by libdivxdecore.\n"
-         "divx4: please uninstall this library or disable the libdivxdecore\n"
-         "divx4: version check by setting the following line in HOME/.xinerc:\n"
-         "divx4: divx4_forceversion:1\n"
-         "divx4: see xine-ui/doc/README.divx4 for details.\n"
-         "divx4: fatal error; exiting.\n");
-  _x_abort();
-}
-#endif
-
-typedef struct divx4_decoder_s {
-  video_decoder_t   video_decoder;
-
-  vo_instance_t    *video_out;
-  int               video_step;
-  int               decoder_ok;
-
-  xine_bmiheader    bih;
-  unsigned char     *buf;
-  int               size;
-  int               bufsize;
-  double            ratio;
-  
-  decoreFunc        decore; /* ptr to decore function in libdivxdecore */
-
-  /* version as reported by decore with GET_OPT_VERSION command */
-  int		    version;
-  /* whether to decode MSMPEG4_V3 format
-     (aka divx ;-) and divx 3.11-- thank god they dropped the smileys 
-     with divx4)
-  */
-  int		    use_311_compat;
-  /* postprocessing level; currently valid values 0-6 (internally 0-100)
-     set by divx4_postproc in .xinerc */
-  int		    postproc;
-  /* can we handle 311 format? No easy way to find out (divx4linux can,
-     OpenDivx cannot, so the user can set it in .xinerc. If 0, can_handle
-     only returns MPEG4, yielding 311 to ffmpeg */
-  int		    can_handle_311;
-  int               skipframes;
-} divx4_decoder_t;
-
-#define VIDEOBUFSIZE 128*1024
-
-
-static char* decore_retval(int ret)
-{
-  static char buf[128];
-  switch (ret) {
-  case DEC_OK: return "DEC_OK";
-  case DEC_MEMORY: return "DEC_MEMORY";
-  case DEC_BAD_FORMAT: return "DEC_BAD_FORMAT";
-  case DEC_EXIT: return "DEC_EXIT";
-  }
-  sprintf(buf, "[Unknown code %d]", ret);
-  return buf;	
-}
-
-/* try to get the version libdivxdecore */
-static void divx4_get_version(divx4_decoder_t *this)
-{
-  /* if version set in xine config file, do not attempt further checking
-   * (but do print a warning about this!) */
-  if (this->version) {
-    /* this dangerous stuff warrants an extra warning */
-    printf("divx4: assuming libdivxdecore version is %d\n", this->version);
-    return;
-  }
-
-#if CATCH_SIGSEGV
-  /* try to catch possible segmentation fault triggered by version check.
-   * old versions of OpenDivx are known to do this. 
-   * we have to exit(1) in case it happens, but at least the user'll know
-   * what happened */
-  old_handler = signal(SIGSEGV, catch_sigsegv); 
-  if (old_handler == SIG_ERR)
-    printf("divx4: failed to set SIGSEGV handler for libdivxdecore version check. Danger!\n");
-  /* ask decore for version, using arbitrary handle 123 */
-  this->version = this->decore(123, DEC_OPT_VERSION, 0, 0);
-  /* restore old signal handler */
-  if (old_handler != SIG_ERR)
-    signal(SIGSEGV, old_handler);
-#else
-  /* no SIGSEGV catching, let's hope survive this... */
-  this->version = this->decore(123, DEC_OPT_VERSION, 0, 0);
-#endif
-
-  if (this->version < 100) { /* must be an error code */
-    printf("divx4: libdivxdecore failed to return version number (returns %s)\n",
-           decore_retval(this->version));
-    this->version = 0;
-  }
-  printf("divx4: found divx4 or OpenDivx decore library, version %d\n", 
-         this->version);
-}
-
-/* check to see if the libdivxdecore version is recent enough. 
- * returns 1 if ok, 0 if not. */
-static int divx4_check_version(divx4_decoder_t *this)
-{
-  /* now check the version 
-   * oktober '01 and later are ok. (early august releases had a (possible)
-   * problem with DEC_OPT_RELEASE, which is very important currently) */
-  if (this->version < 20011000) { 
-    printf("divx4: libdivxdecore version \"%d\" too old. Need 20011000 or later\n"
-           "divx4: see README.divx4 for details on where to find libdivxdecore.\n", 
-           this->version);
-    return 0; 
-  }
-
-  return 1;
-}
-
-static void divx4_set_pp(divx4_decoder_t *this) {
-  DEC_SET setpp;   /* for setting postproc level */
-  int ret;
-
-  lprintf ("this->decoder_ok=%d\n", this->decoder_ok);
-
-  if (!this->decoder_ok)
-    return;
-    
-  /* multiply postproc level by 10 for internal consumption */
-  printf("divx4: Setting post processing level to %d (see ~/.xine/options)\n"
-         "divx4: Valid range 0-6, reduce if you get frame drop\n", 
-         this->postproc); 
-
-  setpp.postproc_level   = this->postproc*10; 
-  setpp.deblock_hor_luma = 0;
-  setpp.deblock_ver_luma = 0;
-  setpp.deblock_hor_chr  = 0;
-  setpp.deblock_ver_chr  = 0;
-  setpp.dering_luma      = 0;
-  setpp.dering_chr       = 0;
-  setpp.pp_semaphore     = 0;
-
-  ret = this->decore((unsigned long)this, DEC_OPT_SETPP, &setpp, 0);
-  if (ret != DEC_OK) {
-    printf("divx4: decore DEC_OPT_SETPP command returned %s.\n", decore_retval(ret));
-    /* perhaps not fatal, so we'll continue */
-  }
-}
-
-
-/* helper function to initialize decore */
-static int divx4_init_decoder(divx4_decoder_t *this, buf_element_t *buf) {
-
-  DEC_PARAM param; /* for init                   */
-  int ret, codec_type;
-
-  lprintf ("init_decoder\n");
-
-  memcpy ( &this->bih, buf->content, sizeof (xine_bmiheader));
-
-  codec_type = buf->type & 0xFFFF0000;
-
-  /* do we need divx 3.11 compatibility mode? */
-  switch (buf->type & 0xFFFF0000) {
-  case BUF_VIDEO_MSMPEG4_V1:
-  case BUF_VIDEO_MSMPEG4_V2:
-  case BUF_VIDEO_MSMPEG4_V3:
-    if (this->version >= 20020303) { 
-      param.codec_version=311;
-      this->use_311_compat = 0;
-    } else {
-      this->use_311_compat = 1;
-    }
-    break;
-  case BUF_VIDEO_MPEG4:
-  case BUF_VIDEO_DIVX5:
-    if (this->version >= 20020303)
-      param.codec_version=500;
-
-    this->use_311_compat = 0;
-    if (this->version >= 20020303)
-      param.codec_version=500;
-    break;
-  default:
-    printf ("divx4: unknown video format (buftype: 0x%08X)\n",
-	    buf->type & 0xFFFF0000);
-  }
-
-  this->ratio = (double)this->bih.biWidth/(double)this->bih.biWidth;
-
-  /* setup decoder; inspired by avifile's plugin */
-  param.x_dim=this->bih.biWidth;
-  param.y_dim=this->bih.biHeight;
-  param.time_incr = 15; /* no idea what this does */
-
-  param.build_number=0;
-
-  param.output_format=DEC_USER;
-  param.build_number=0;
-  memset(&param.buffers, 0, sizeof(param.buffers));
-
-  ret = this->decore((unsigned long)this, DEC_OPT_INIT, &param, &this->bih);
-  if (ret != DEC_OK) {
-    printf("divx4: decore DEC_OPT_INIT command returned %s.\n", decore_retval(ret));
-    return 0;
-  }
-
-  this->decoder_ok = 1;
-
-  divx4_set_pp( this );
-  
-  return 1;
-}
-
-/* helper function to copy data from decore's internal buffer to a vo frame */
-static inline void divx4_copy_frame(divx4_decoder_t *this, vo_frame_t *img, 
-	DEC_PICTURE pict)
-{      
-  /* We need to copy the yuv data from the decoder's internal buffers.
-     Y size is width*height, U and V width*height/4 */ 
-  int i;
-  int src_offset,dst_offset;
-
-  /* copy y data; use shortcut if stride_y equals width */
-  src_offset = 0;
-  dst_offset = 0;
-  if (pict.stride_y == img->pitches[0]) {
-    xine_fast_memcpy(img->base[0]+dst_offset, pict.y, img->pitches[0]*this->bih.biHeight);
-    dst_offset += img->pitches[0] * this->bih.biHeight;
-  }
-  else { /* copy line by line */
-    for (i=0; i<this->bih.biHeight; i++) {
-      xine_fast_memcpy(img->base[0]+dst_offset, pict.y+src_offset, this->bih.biWidth);
-      src_offset += pict.stride_y;
-      dst_offset += img->pitches[0];
-    }
-  }
-
-  /* same for u,v data, but at 1/4 resolution.
-     FIXME: Weird... I thought YV12 means order y-v-u, yet base[1] 
-     seems to be u and base[2] is v. */
-
- /* copy u and v data */
-  src_offset = 0;
-  dst_offset = 0;
-  if (pict.stride_uv == img->pitches[1] && pict.stride_uv == img->pitches[2]) {
-    xine_fast_memcpy(img->base[1]+dst_offset, pict.u, (img->pitches[1]*this->bih.biHeight)/4);
-    xine_fast_memcpy(img->base[2]+dst_offset, pict.v, (img->pitches[2]*this->bih.biHeight)/4);
-    dst_offset += (this->bih.biWidth*this->bih.biHeight)/4;
-  }
-  else {
-    int dst_offset_v = 0;
-    for (i=0; i<this->bih.biHeight>>1; i++) {
-      xine_fast_memcpy(img->base[1]+dst_offset, pict.u+src_offset, this->bih.biWidth/2);
-      xine_fast_memcpy(img->base[2]+dst_offset_v, pict.v+src_offset, this->bih.biWidth/2);
-      src_offset += pict.stride_uv;
-      dst_offset += img->pitches[1];
-      dst_offset_v += img->pitches[2];
-    }
-  } 
-}
-
-static int divx4_can_handle (video_decoder_t *this_gen, int buf_type) {
-  divx4_decoder_t *this = (divx4_decoder_t *) this_gen;
-  buf_type &= 0xFFFF0000;
-
-  lprintf ("can_handle\n");
-
-  /* divx4 currently does not support MSMPEG4 v1/v2 */
-  return ( (buf_type == BUF_VIDEO_MSMPEG4_V3 && this->can_handle_311) ||
-           /* buf_type == BUF_VIDEO_MSMPEG4_V2 || */
-           (buf_type == BUF_VIDEO_MPEG4) ||
-	   (buf_type == BUF_VIDEO_DIVX5));
-}
-
-/* copied verbatim from ffmpeg plugin */
-static void divx4_init (video_decoder_t *this_gen, vo_instance_t *video_out) {
-
-  divx4_decoder_t *this = (divx4_decoder_t *) this_gen;
-
-  lprintf ("divx4_init\n");
-
-  this->video_out  = video_out;
-  this->decoder_ok = 0;
-  this->buf = NULL;
-}
-
-
-static void divx4_decode_data (video_decoder_t *this_gen, buf_element_t *buf) {
-
-  DEC_FRAME frame; /* for getting a frame        */
-  DEC_PICTURE pict;/* contains ptrs to the decoders internal yuv buffers */
-  vo_frame_t *img; /* video out frame */
-  int ret;
-
-  divx4_decoder_t *this = (divx4_decoder_t *) this_gen;
-
-  lprintf ("decoding buffer %08x, flags = %08x\n", buf, buf->decoder_flags);
-
-  if (buf->decoder_flags & BUF_FLAG_PREVIEW)
-    return;
-
-  if (buf->decoder_flags & BUF_FLAG_STDHEADER) { /* need to initialize */
-    /* only proceed if version is good and initialization succeeded */
-
-    lprintf ("get_version...\n");
-
-    divx4_get_version(this);	
-    this->decoder_ok = ( divx4_check_version(this) &&
-                         divx4_init_decoder (this, buf) );
-    if (this->decoder_ok) {
-      this->video_out->open (this->video_out);
-    
-      if( this->buf )
-        free( this->buf );
-    
-      this->buf = malloc( VIDEOBUFSIZE );
-      this->bufsize = VIDEOBUFSIZE;
-    
-      this->skipframes = 0;
-    }
-    return;
-  }
-
-  if (! this->decoder_ok) { /* don't try to do anything */
-    /* if it is because of the version, print the warning again.
-     * otherwise it's an unknown internal error. */
-    if (divx4_check_version(this) != 0) /* version is good */
-      printf("divx4: internal error; decoder not initialized.\n");
-    return;
-  }
-    
-  if( this->size + buf->size > this->bufsize ) {
-    this->bufsize = this->size + 2 * buf->size;
-    printf("divx4: increasing source buffer to %d to avoid overflow.\n", 
-      this->bufsize);
-    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_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_FRAME_END)  { /* need to decode a frame */
-    /* allocate image (taken from ffmpeg plugin) */
-    img = this->video_out->get_frame (this->video_out, this->bih.biWidth,
-				      this->bih.biHeight, this->ratio, 
-				      XINE_IMGFMT_YV12, 
-				      VO_BOTH_FIELDS);
-
-    img->pts = buf->pts;
-    img->duration = this->video_step;
-    /* setup the decode frame parameters, as demonstrated by avifile.
-       Old versions used DEC_YV12, but that was basically wrong and just
-       happened to work with the Xv driver. Now DEC_USER is the only option.
-    */
-    frame.bitstream=this->buf;
-    frame.bmp=&pict; /* decore will set ptrs to internal y,u&v buffers */
-    frame.length=this->size;
-    frame.render_flag=1;
-    frame.stride=this->bih.biWidth;
-
-    if(this->use_311_compat)
-      ret = this->decore((unsigned long)this, DEC_OPT_FRAME_311, &frame, 0);
-    else
-      ret = this->decore((unsigned long)this, DEC_OPT_FRAME, &frame, 0);
-      
-    if (ret != DEC_OK || this->skipframes) {
-      if( !this->skipframes )
-        printf("divx4: decore DEC_OPT_FRAME command returned %s.\n", 
-          decore_retval(ret));
-      img->bad_frame = 1; /* better skip this one */
-    }
-    else {
-      divx4_copy_frame(this, img, pict);
-      img->bad_frame = 0;
-    }
-
-    this->skipframes = img->draw(img);
-    if( this->skipframes < 0 )
-      this->skipframes = 0;
-    img->free(img);
-      
-    this->size = 0;
-  }
-}
-
-static void divx4_close (video_decoder_t *this_gen)  {
-
-  divx4_decoder_t *this = (divx4_decoder_t *) this_gen;
-
-  printf ("divx4: close\n");
-
-  if (this->decoder_ok) {
-    /* FIXME: this segfaults here */
-    /* Note: we NEED this; after 0.9.4, xine closes and reopens
-     * decoders when seeking. If DEC_OPT_RELEASE is disabled, it will
-     * cause a memory leak of plusminus 5M per shot */ 
-    this->decore((unsigned long)this, DEC_OPT_RELEASE, 0, 0); 
-    this->decoder_ok = 0;
-    this->video_out->close(this->video_out);
-  }
-  
-  if (this->buf)
-    free(this->buf);
-  this->buf = NULL;
-}
-
-static void divx4_update_postproc(void *this_gen, xine_cfg_entry_t *entry) {
-
-  divx4_decoder_t *this = (divx4_decoder_t *) this_gen;
-
-  lprintf ("update_postproc this=0x%08x, decoder_ok = %d\n", this, this->decoder_ok);
-  
-  if( this->postproc != entry->num_value) {
-    this->postproc = entry->num_value;
-    divx4_set_pp( this );
-  }
-}
-
-
-static char *divx4_get_id(void) {
-  lprintf ("get_id\n");
-  return "divx4 video decoder";
-}
-
-static void divx4_flush(video_decoder_t *this_gen) {
-  lprintf ("flush\n");
-}
-
-static void divx4_reset(video_decoder_t *this_gen) {
-  /* seems to handle seeking quite nicelly without any code here */
-  lprintf ("reset\n");
-}
-
-static void divx4_dispose(video_decoder_t *this_gen) {
-  lprintf ("dispose\n");
-  free (this_gen);
-}
-
-/* This is pretty generic. I took the liberty to increase the
-   priority over that of libffmpeg :-) */
-static void *init_video_decoder_plugin (xine_t *xine, void *data) {
-
-  divx4_decoder_t *this ;
-  char *libdecore_name;
-  void *libdecore_handle;
-  decoreFunc libdecore_func = 0;
-  config_values_t *cfg;
-
-  cfg = xine->config;
-  
-  /* Try to dlopen libdivxdecore, then look for decore function 
-     if it fails, print a message and return 0 so that xine ignores
-     us from then on. */
-  libdecore_name = cfg->register_string (cfg, "codec.divx4_libdivxdecore", "libdivxdecore.so",
-					 _("Relative path to libdivxdecore.so to open"),
-					 NULL, 0, NULL, NULL);  
-
-  libdecore_handle = dlopen(libdecore_name, RTLD_LAZY);
-  if (libdecore_handle)
-    libdecore_func = dlsym(libdecore_handle, "decore"); 
-  if (! libdecore_func) {
-    /* no library or no decore function. this plugin can do nothing */
-    return NULL;
-  }
-
-  this = (divx4_decoder_t *) xine_xmalloc (sizeof (divx4_decoder_t));
-
-  this->decoder_ok = 0;
-
-  this->video_decoder.init                = divx4_init;
-  this->video_decoder.decode_data         = divx4_decode_data;
-  this->video_decoder.close               = divx4_close;
-  this->video_decoder.get_identifier      = divx4_get_id;
-  this->video_decoder.flush               = divx4_flush;
-  this->video_decoder.reset               = divx4_reset;
-  this->video_decoder.dispose             = divx4_dispose;
-  this->decore = libdecore_func;
-  this->postproc 			  = cfg->register_range (cfg, "codec.divx4_postproc", 3,
-								 0, 6,
-								 _("the postprocessing level, 0 = none and fast, 6 = all and slow"),
-								 NULL, 10, divx4_update_postproc, this);
-  this->can_handle_311			  = cfg->register_bool (cfg, "codec.divx4_msmpeg4v3", 1,
-								_("use divx4 plugin for msmpeg4v3 streams"),
-								NULL, 10, NULL, NULL);
-  this->size				  = 0;
-  /* allow override of version checking by user */
-  this->version 			  = cfg->register_num(cfg, "codec.divx4_forceversion", 0,
-							      _("Divx version to check for (set to 0 (default) if unsure)"),
-							      NULL, 20, NULL, NULL);
-
-  /* if the version set in the config file, we can check right now. 
-   * otherwise postpone until we retrieve the version from the library
-   * in the first decoding call (we'll only ever get there if this
-   * plugin has the highest priority, which by default it has not). */
-  if ( this->version != 0 && divx4_check_version(this) == 0 ) { /* failed */
-    free(this);
-    return 0;
-  }
-  /* at the moment availabe values are 0-6, but future versions may support
-     higher levels. Internally, postproc is multiplied by 10 and values 
-     between 0 and 100 are valid */
-  if (this->postproc > 10) this->postproc=10;
-  if (this->postproc < 0) this->postproc=0;
-
-  lprintf ("this=0x%08x, decoder_ok = %d\n", this, this->decoder_ok);
-
-  return (video_decoder_t *) this;
-}
-
-/*
- * exported plugin catalog entry
- */
-
-static uint32_t video_types[] = { 
-  /* BUF_VIDEO_MSMPEG4_V3 && this->can_handle_311 , */
-  /* BUF_VIDEO_MSMPEG4_V2, */
-  BUF_VIDEO_MPEG4, BUF_VIDEO_DIVX5,
-  0
- };
-
-static decoder_info_t dec_info_video = {
-  video_types,         /* supported types */
-  4                    /* priority        */
-};
-
-plugin_info_t xine_plugin_info[] = {
-  /* type, API, "name", version, special_info, init_function */  
-  { PLUGIN_VIDEO_DECODER, 10, "divx4", XINE_VERSION_CODE, &dec_info_video, init_video_decoder_plugin },
-  { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};