[MPlayer-cvslog] CVS: main/libmpdemux demux_avs.c, NONE, 1.1 demux_avs.h, NONE, 1.1 extension.c, 1.8, 1.9 demuxer.c, 1.182, 1.183 demuxer.h, 1.73, 1.74

Sascha Sommer CVS syncmail at mplayerhq.hu
Sun Feb 13 14:38:30 CET 2005


CVS change done by Sascha Sommer CVS

Update of /cvsroot/mplayer/main/libmpdemux
In directory mail:/var2/tmp/cvs-serv6564/libmpdemux

Modified Files:
	extension.c demuxer.c demuxer.h 
Added Files:
	demux_avs.c demux_avs.h 
Log Message:
avisynth demuxer patch by Gianluigi Tiesi <mplayer at netfarm.it>

--- NEW FILE ---
/*
 * Demuxer for avisynth
 * Copyright (c) 2005 Gianluigi Tiesi <sherpya at netfarm.it>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"

#include "stream.h"
#include "demuxer.h"
#include "stheader.h"

#include "wine/windef.h"

#ifdef WIN32_LOADER
#include "ldt_keeper.h"
#endif

#include "demux_avs.h"

#define MAX_AVS_SIZE    16 * 1024 /* 16k should be enough */
#undef ENABLE_AUDIO

HMODULE WINAPI LoadLibraryA(LPCSTR);
FARPROC WINAPI GetProcAddress(HMODULE,LPCSTR);
int     WINAPI FreeLibrary(HMODULE);

typedef WINAPI AVS_ScriptEnvironment* (*imp_avs_create_script_environment)(int version);
typedef WINAPI AVS_Value (*imp_avs_invoke)(AVS_ScriptEnvironment *, const char * name, AVS_Value args, const char** arg_names);
typedef WINAPI const AVS_VideoInfo *(*imp_avs_get_video_info)(AVS_Clip *);
typedef WINAPI AVS_Clip* (*imp_avs_take_clip)(AVS_Value, AVS_ScriptEnvironment *);
typedef WINAPI AVS_VideoFrame* (*imp_avs_get_frame)(AVS_Clip *, int n);
typedef WINAPI void (*imp_avs_release_video_frame)(AVS_VideoFrame *);
#ifdef ENABLE_AUDIO
//typedef WINAPI int (*imp_avs_get_audio)(AVS_Clip *, void * buf, uint64_t start, uint64_t count); 
typedef WINAPI int (*imp_avs_get_audio)(AVS_ScriptEnvironment *, void * buf, uint64_t start, uint64_t count); 
#endif

#define Q(string) # string
#define IMPORT_FUNC(x) \
    AVS->x = ( imp_##x ) GetProcAddress(AVS->dll, Q(x)); \
    if (!AVS->x) { mp_msg(MSGT_DEMUX,MSGL_V,"AVS: failed to load "Q(x)"()\n"); return 0; }

typedef struct tagAVS
{
    AVS_ScriptEnvironment *avs_env;
    AVS_Value handler;
    AVS_Clip *clip;
    const AVS_VideoInfo *video_info;
    HMODULE dll;
    int frameno;
    int init;
    
    imp_avs_create_script_environment avs_create_script_environment;
    imp_avs_invoke avs_invoke;
    imp_avs_get_video_info avs_get_video_info;
    imp_avs_take_clip avs_take_clip;
    imp_avs_get_frame avs_get_frame;
    imp_avs_release_video_frame avs_release_video_frame;
#ifdef ENABLE_AUDIO
    imp_avs_get_audio avs_get_audio;
#endif
} AVS_T;

AVS_T *initAVS(const char *filename)
{   
    AVS_T *AVS = (AVS_T *) malloc (sizeof(AVS_T));
    memset(AVS, 0, sizeof(AVS_T));

#ifdef WIN32_LOADER
    Setup_LDT_Keeper();
#endif
    
    AVS->dll = LoadLibraryA("avisynth.dll");
    if(!AVS->dll)
    {
        mp_msg(MSGT_DEMUX ,MSGL_V, "AVS: failed to load avisynth.dll\n");
        return NULL;
    }
    
    /* Dynamic import of needed stuff from avisynth.dll */
    IMPORT_FUNC(avs_create_script_environment);
    IMPORT_FUNC(avs_create_script_environment);
    IMPORT_FUNC(avs_invoke);
    IMPORT_FUNC(avs_get_video_info);
    IMPORT_FUNC(avs_take_clip);
    IMPORT_FUNC(avs_get_frame);
    IMPORT_FUNC(avs_release_video_frame);
#ifdef ENABLE_AUDIO
    IMPORT_FUNC(avs_get_audio);
#endif
    
    AVS->avs_env = AVS->avs_create_script_environment(AVISYNTH_INTERFACE_VERSION);
    if (!AVS->avs_env)
    {
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_create_script_environment failed\n");
        return NULL;
    }
    
    AVS_Value arg0 = avs_new_value_string(filename);
    AVS_Value args = avs_new_value_array(&arg0, 1);

    AVS->handler = AVS->avs_invoke(AVS->avs_env, "Import", args, 0);
    
    if (avs_is_error(AVS->handler))
    {
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Avisynth error: %s\n", avs_as_string(AVS->handler));
        return NULL;
    }

    if (!avs_is_clip(AVS->handler))
    {
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Avisynth doesn't return a clip\n");
        return NULL;
    }
    
    return AVS;
}

/* Implement RGB MODES ?? */
#if 0
static __inline int get_mmioFOURCC(const AVS_VideoInfo *v)
{
    if (avs_is_rgb(v)) return mmioFOURCC(8, 'R', 'G', 'B');
    if (avs_is_rgb24(v)) return mmioFOURCC(24, 'R', 'G', 'B');
    if (avs_is_rgb32(v)) return mmioFOURCC(32, 'R', 'G', 'B');
    if (avs_is_yv12(v)) return mmioFOURCC('Y', 'V', '1', '2');
    if (avs_is_yuy(v)) return mmioFOURCC('Y', 'U', 'Y', ' ');
    if (avs_is_yuy2(v)) return mmioFOURCC('Y', 'U', 'Y', '2');    
    return 0;
}
#endif

int demux_avs_fill_buffer(demuxer_t *demuxer)
{
    AVS_VideoFrame *curr_frame;
    demux_packet_t *dp = NULL;
    AVS_T *AVS = (AVS_T *) demuxer->priv;

    demux_stream_t *d_video=demuxer->video;
    sh_video_t *sh_video=d_video->sh;

#ifdef ENABLE_AUDIO
    demux_stream_t *d_audio=demuxer->audio;
    sh_audio_t *sh_audio=d_audio->sh;
#endif
    
    if (AVS->video_info->num_frames < AVS->frameno) return 0; // EOF
    
    curr_frame = AVS->avs_get_frame(AVS->clip, AVS->frameno);
    if (!curr_frame)
    {
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: error getting frame -- EOF??\n");
        return 0;
    }

    if (avs_has_video(AVS->video_info))
    {
        dp = new_demux_packet(curr_frame->vfb->data_size);
        sh_video->num_frames_decoded++;
        sh_video->num_frames++;

        d_video->pts=AVS->frameno / sh_video->fps; // OSD

        memcpy(dp->buffer, curr_frame->vfb->data + curr_frame->offset, curr_frame->vfb->data_size);
        ds_add_packet(demuxer->video, dp);

    }
    
#ifdef ENABLE_AUDIO
    /* Audio */
    if (avs_has_audio(AVS->video_info))
    {
        int l = sh_audio->wf->nAvgBytesPerSec;
        dp = new_demux_packet(l);
        
        if (AVS->avs_get_audio(AVS->avs_env, dp->buffer, AVS->frameno*sh_video->fps*l, l))
        {
            mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_audio() failed\n");
            return 0;
        }
        ds_add_packet(demuxer->audio, dp);
    }
#endif
    
    AVS->frameno++;
    AVS->avs_release_video_frame(curr_frame);
    return 1;
}

int demux_open_avs(demuxer_t* demuxer)
{
    sh_video_t *sh_video = NULL;
#ifdef ENABLE_AUDIO
    sh_audio_t *sh_audio = NULL;
#endif
    int found = 0;
    AVS_T *AVS = (AVS_T *) demuxer->priv;
    AVS->frameno = 0;

    mp_msg(MSGT_DEMUX, MSGL_V, "AVS: demux_open_avs()\n");
    demuxer->seekable = 1;

    AVS->clip = AVS->avs_take_clip(AVS->handler, AVS->avs_env);
    if(!AVS->clip)
    {
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_take_clip() failed\n");
        return 0;
    }

    AVS->video_info = AVS->avs_get_video_info(AVS->clip);
    if (!AVS->video_info)
    {
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_video_info() call failed\n");
        return 0;
    }
    
    if (!avs_is_yv12(AVS->video_info))
    {
        AVS->handler = AVS->avs_invoke(AVS->avs_env, "ConvertToYV12", avs_new_value_array(&AVS->handler, 1), 0);
        if (avs_is_error(AVS->handler))
        {
            mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Cannot convert input video to YV12: %s\n", avs_as_string(AVS->handler));
            return 0;
        }
        
        AVS->clip = AVS->avs_take_clip(AVS->handler, AVS->avs_env);
        
        if(!AVS->clip)
        {
            mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_take_clip() failed\n");
            return 0;
        }

        AVS->video_info = AVS->avs_get_video_info(AVS->clip);
        if (!AVS->video_info)
        {
            mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_video_info() call failed\n");
            return 0;
        }
    }
    
    // TODO check field-based ??

    /* Video */  
    if (avs_has_video(AVS->video_info))
    {
        found = 1;
        sh_video = new_sh_video(demuxer, 0);
        
        demuxer->video->sh = sh_video;
        sh_video->ds = demuxer->video;
        
        sh_video->disp_w = AVS->video_info->width;
        sh_video->disp_h = AVS->video_info->height;
        
        //sh_video->format = get_mmioFOURCC(AVS->video_info);
        sh_video->format = mmioFOURCC('Y', 'V', '1', '2');
        sh_video->fps = (float) ((float) AVS->video_info->fps_numerator / (float) AVS->video_info->fps_denominator);
        sh_video->frametime = 1.0 / sh_video->fps;
        
        sh_video->bih = (BITMAPINFOHEADER*) malloc(sizeof(BITMAPINFOHEADER) + (256 * 4));
        sh_video->bih->biCompression = sh_video->format;
        sh_video->bih->biBitCount = avs_bits_per_pixel(AVS->video_info);
        //sh_video->bih->biPlanes = 2;
        
        sh_video->bih->biWidth = AVS->video_info->width;
        sh_video->bih->biHeight = AVS->video_info->height;
        sh_video->num_frames = 0;
        sh_video->num_frames_decoded = 0;
    }
    
#ifdef ENABLE_AUDIO
    /* Audio */
    if (avs_has_audio(AVS->video_info))
    {
        found = 1;
        mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Clip has audio -> Channels = %d - Freq = %d\n", AVS->video_info->nchannels, AVS->video_info->audio_samples_per_second);

        sh_audio = new_sh_audio(demuxer, 0);
        demuxer->audio->sh = sh_audio;
        sh_audio->ds = demuxer->audio;
        
        sh_audio->wf = (WAVEFORMATEX*) malloc(sizeof(WAVEFORMATEX));
        sh_audio->wf->wFormatTag = sh_audio->format = 0x1;
        sh_audio->wf->nChannels = sh_audio->channels = AVS->video_info->nchannels;
        sh_audio->wf->nSamplesPerSec = sh_audio->samplerate = AVS->video_info->audio_samples_per_second;
        sh_audio->wf->nAvgBytesPerSec = AVS->video_info->audio_samples_per_second * 4;
        sh_audio->wf->nBlockAlign = 4;
        sh_audio->wf->wBitsPerSample = sh_audio->samplesize = 16; // AVS->video_info->sample_type ??
        sh_audio->wf->cbSize = 0;
        sh_audio->i_bps = sh_audio->wf->nAvgBytesPerSec;
        sh_audio->o_bps = sh_audio->wf->nAvgBytesPerSec;
    }
#endif

    AVS->init = 1;
    return found;
}

int demux_avs_control(demuxer_t *demuxer, int cmd, void *arg)
{   
    demux_stream_t *d_video=demuxer->video;
    sh_video_t *sh_video=d_video->sh;
    AVS_T *AVS = (AVS_T *) demuxer->priv;

    switch(cmd)
    {
        case DEMUXER_CTRL_GET_TIME_LENGTH:
        {
            if (!AVS->video_info->num_frames) return DEMUXER_CTRL_DONTKNOW;
            *((unsigned long *)arg) = AVS->video_info->num_frames / sh_video->fps;
            return DEMUXER_CTRL_OK;
        }
        case DEMUXER_CTRL_GET_PERCENT_POS:
        {
            if (!AVS->video_info->num_frames) return DEMUXER_CTRL_DONTKNOW;
            *((int *)arg) = (int) (AVS->frameno * 100 / AVS->video_info->num_frames);
            return DEMUXER_CTRL_OK;
        }
    default:
        return DEMUXER_CTRL_NOTIMPL;
    }
}

void demux_close_avs(demuxer_t* demuxer)
{
    AVS_T *AVS = (AVS_T *) demuxer->priv;
    // TODO release_clip?
    if (AVS)
    {
        if (AVS->dll)
        {
            mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Unloading avisynth.dll\n");
            FreeLibrary(AVS->dll);
        }
        free(AVS);
    }
}

void demux_seek_avs(demuxer_t *demuxer, float rel_seek_secs,int flags)
{
    demux_stream_t *d_video=demuxer->video;
    sh_video_t *sh_video=d_video->sh;
    AVS_T *AVS = (AVS_T *) demuxer->priv;
    int video_pos=AVS->frameno;
    
    //mp_msg(MSGT_DEMUX, MSGL_V, "AVS: seek rel_seek_secs = %f - flags = %x\n", rel_seek_secs, flags);
    
    // seek absolute
    if (flags&1) video_pos=0;

    video_pos += (rel_seek_secs * sh_video->fps);
    if (video_pos < 0) video_pos = 0;
    if (video_pos > AVS->video_info->num_frames) video_pos = AVS->video_info->num_frames;
        
    AVS->frameno = video_pos;
    sh_video->num_frames_decoded = video_pos;
    sh_video->num_frames = video_pos;
    d_video->pts=AVS->frameno / sh_video->fps; // OSD
}

int avs_check_file(demuxer_t *demuxer, const char *filename)
{
    mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_check_file - attempting to open file %s\n", filename);

    if (!filename) return 0;
    
    /* Avoid crazy memory eating when passing an mpg stream */
    if (demuxer->movi_end > MAX_AVS_SIZE)
    {
        mp_msg(MSGT_DEMUX,MSGL_V, "AVS: File is too big, aborting...\n");
        return 0;
    }
    
    demuxer->priv = initAVS(filename);
    
    if (demuxer->priv)
    {
        mp_msg(MSGT_DEMUX,MSGL_V, "AVS: Init Ok\n");
        return 1;
    }
    mp_msg(MSGT_DEMUX,MSGL_V, "AVS: Init failed\n");
    return 0;
}

--- NEW FILE ---
/*
 * Demuxer for avisynth
 * Copyright (c) 2005 Gianluigi Tiesi <sherpya at netfarm.it>
 *
 * Avisynth C Interface Version 0.20
 * Copyright 2003 Kevin Atkinson
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

enum { AVISYNTH_INTERFACE_VERSION = 2 };

enum
{
  AVS_SAMPLE_INT8  = 1<<0,
  AVS_SAMPLE_INT16 = 1<<1, 
  AVS_SAMPLE_INT24 = 1<<2,
  AVS_SAMPLE_INT32 = 1<<3,
  AVS_SAMPLE_FLOAT = 1<<4
};

enum
{
  AVS_PLANAR_Y=1<<0,
  AVS_PLANAR_U=1<<1,
  AVS_PLANAR_V=1<<2,
  AVS_PLANAR_ALIGNED=1<<3,
  AVS_PLANAR_Y_ALIGNED=AVS_PLANAR_Y|AVS_PLANAR_ALIGNED,
  AVS_PLANAR_U_ALIGNED=AVS_PLANAR_U|AVS_PLANAR_ALIGNED,
  AVS_PLANAR_V_ALIGNED=AVS_PLANAR_V|AVS_PLANAR_ALIGNED
};

// Colorspace properties.
enum
{
  AVS_CS_BGR = 1<<28,  
  AVS_CS_YUV = 1<<29,
  AVS_CS_INTERLEAVED = 1<<30,
  AVS_CS_PLANAR = 1<<31
};

// Specific colorformats
enum
{
  AVS_CS_UNKNOWN = 0,
  AVS_CS_BGR24 = 1<<0 | AVS_CS_BGR | AVS_CS_INTERLEAVED,
  AVS_CS_BGR32 = 1<<1 | AVS_CS_BGR | AVS_CS_INTERLEAVED,
  AVS_CS_YUY2 = 1<<2 | AVS_CS_YUV | AVS_CS_INTERLEAVED,
  AVS_CS_YV12 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR,  // y-v-u, planar
  AVS_CS_I420 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR,  // y-u-v, planar
  AVS_CS_IYUV = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR  // same as above
};

typedef struct AVS_Clip AVS_Clip;
typedef struct AVS_ScriptEnvironment AVS_ScriptEnvironment;

typedef struct AVS_Value AVS_Value;
struct AVS_Value {
  short type;  // 'a'rray, 'c'lip, 'b'ool, 'i'nt, 'f'loat, 's'tring, 'v'oid, or 'l'ong
               // for some function e'rror
  short array_size;
  union {
    void * clip; // do not use directly, use avs_take_clip
    char boolean;
    int integer;
    float floating_pt;
    const char * string;
    const AVS_Value * array;
  } d;
};

// AVS_VideoInfo is layed out identicly to VideoInfo
typedef struct AVS_VideoInfo {
  int width, height;    // width=0 means no video
  unsigned fps_numerator, fps_denominator;
  int num_frames;

  int pixel_type;
  
  int audio_samples_per_second;   // 0 means no audio
  int sample_type;
  uint64_t num_audio_samples;
  int nchannels;

  // Imagetype properties

  int image_type;
} AVS_VideoInfo;

typedef struct AVS_VideoFrameBuffer {
  BYTE * data;
  int data_size;
  // sequence_number is incremented every time the buffer is changed, so
  // that stale views can tell they're no longer valid.
  long sequence_number;

  long refcount;
} AVS_VideoFrameBuffer;

typedef struct AVS_VideoFrame {
  int refcount;
  AVS_VideoFrameBuffer * vfb;
  int offset, pitch, row_size, height, offsetU, offsetV, pitchUV;  // U&V offsets are from top of picture.
} AVS_VideoFrame;

static __inline AVS_Value avs_new_value_string(const char * v0)
{ AVS_Value v; v.type = 's'; v.d.string = v0; return v; }

static __inline AVS_Value avs_new_value_array(AVS_Value * v0, int size)
{ AVS_Value v; v.type = 'a'; v.d.array = v0; v.array_size = size; return v; }


static __inline int avs_is_error(AVS_Value v) { return v.type == 'e'; }
static __inline int avs_is_clip(AVS_Value v) { return v.type == 'c'; }
static __inline int avs_is_string(AVS_Value v) { return v.type == 's'; }
static __inline int avs_has_video(const AVS_VideoInfo * p) { return (p->width!=0); }
static __inline int avs_has_audio(const AVS_VideoInfo * p) { return (p->audio_samples_per_second!=0); }

static __inline const char * avs_as_string(AVS_Value v)
{ return avs_is_error(v) || avs_is_string(v) ? v.d.string : 0; }

/* Color spaces */
static __inline int avs_is_rgb(const AVS_VideoInfo * p)
{ return (p->pixel_type&AVS_CS_BGR); }

static __inline int avs_is_rgb24(const AVS_VideoInfo * p)
{ return (p->pixel_type&AVS_CS_BGR24)==AVS_CS_BGR24; } // Clear out additional properties

static __inline int avs_is_rgb32(const AVS_VideoInfo * p)
{ return (p->pixel_type & AVS_CS_BGR32) == AVS_CS_BGR32 ; }

static __inline int avs_is_yuy(const AVS_VideoInfo * p)
{ return (p->pixel_type&AVS_CS_YUV ); }

static __inline int avs_is_yuy2(const AVS_VideoInfo * p)
{ return (p->pixel_type & AVS_CS_YUY2) == AVS_CS_YUY2; }  

static __inline int avs_is_yv12(const AVS_VideoInfo * p)
{ return ((p->pixel_type & AVS_CS_YV12) == AVS_CS_YV12)||((p->pixel_type & AVS_CS_I420) == AVS_CS_I420); }       

static __inline int avs_bits_per_pixel(const AVS_VideoInfo * p) 
{ 
  switch (p->pixel_type) {
      case AVS_CS_BGR24: return 24;
      case AVS_CS_BGR32: return 32;
      case AVS_CS_YUY2:  return 16;
      case AVS_CS_YV12:
      case AVS_CS_I420:  return 12;
      default:           return 0;
    }
}

Index: extension.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/extension.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- extension.c	21 Aug 2004 19:17:17 -0000	1.8
+++ extension.c	13 Feb 2005 13:38:27 -0000	1.9
@@ -51,6 +51,9 @@
         { "vqf", DEMUXER_TYPE_XMMS },
         { "nsv", DEMUXER_TYPE_NSV },
         { "nsa", DEMUXER_TYPE_NSV },
+#ifdef USE_WIN32DLL
+        { "avs", DEMUXER_TYPE_AVS },
+#endif
 	{ "nut", DEMUXER_TYPE_LAVF }
 };
 

Index: demuxer.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.c,v
retrieving revision 1.182
retrieving revision 1.183
diff -u -r1.182 -r1.183
--- demuxer.c	6 Feb 2005 10:30:10 -0000	1.182
+++ demuxer.c	13 Feb 2005 13:38:27 -0000	1.183
@@ -157,6 +157,9 @@
 extern void demux_close_ty(demuxer_t* demuxer);
 extern void demux_close_lavf(demuxer_t* demuxer);
 extern void demux_close_vqf(demuxer_t* demuxer);
+#ifdef USE_WIN32DLL
+extern void demux_close_avs(demuxer_t* demuxer);
+#endif
 
 
 #ifdef USE_TV
@@ -248,6 +251,10 @@
     case DEMUXER_TYPE_LAVF:
       demux_close_lavf(demuxer); break;
 #endif
+#ifdef USE_WIN32DLL
+    case DEMUXER_TYPE_AVS:
+      demux_close_avs(demuxer); break;
+#endif
     }
     // free streams:
     for(i = 0; i < MAX_A_STREAMS; i++)
@@ -339,6 +346,9 @@
 extern int demux_lmlm4_fill_buffer(demuxer_t* demux);
 extern int demux_mkv_fill_buffer(demuxer_t *d);
 extern int demux_lavf_fill_buffer(demuxer_t *d);
+#ifdef USE_WIN32DLL
+extern int demux_avs_fill_buffer(demuxer_t *d);
+#endif
 
 int demux_fill_buffer(demuxer_t *demux,demux_stream_t *ds){
   // Note: parameter 'ds' can be NULL!
@@ -398,6 +408,9 @@
 #ifdef USE_LIBAVFORMAT
      case DEMUXER_TYPE_LAVF: return demux_lavf_fill_buffer(demux);
 #endif
+#ifdef USE_WIN32DLL
+    case DEMUXER_TYPE_AVS: return demux_avs_fill_buffer(demux);
+#endif
   }
   return 0;
 }
@@ -609,6 +622,10 @@
 extern int rawdv_check_file(demuxer_t *demuxer);
 #endif
 
+#ifdef USE_WIN32DLL
+int avs_check_file(demuxer_t *demuxer, const char *filename);
+#endif
+
 extern int vivo_check_file(demuxer_t *demuxer);
 extern void demux_open_vivo(demuxer_t *demuxer);
 extern int y4m_check_file(demuxer_t *demuxer);
@@ -646,6 +663,9 @@
 #endif
 extern int lavf_check_file(demuxer_t *demuxer);
 extern int demux_open_lavf(demuxer_t* demuxer);
+#ifdef USE_WIN32DLL
+extern int demux_open_avs(demuxer_t* demuxer);
+#endif
 
 extern demuxer_t* init_avi_with_ogg(demuxer_t* demuxer);
 #ifdef STREAMING_LIVE_DOT_COM
@@ -836,7 +856,7 @@
   file_format=demuxer_type_by_filename(filename);
   if(file_format!=DEMUXER_TYPE_UNKNOWN){
     // we like recursion :)
-    demuxer=demux_open_stream(stream,file_format,audio_id,video_id,dvdsub_id,NULL);
+    demuxer=demux_open_stream(stream,file_format,audio_id,video_id,dvdsub_id,filename);
     if(demuxer) return demuxer; // done!
     file_format=DEMUXER_TYPE_UNKNOWN; // continue fuzzy guessing...
     mp_msg(MSGT_DEMUXER,MSGL_V,"demuxer: continue fuzzy content-based format guessing...\n");
@@ -934,6 +954,19 @@
   }
 }
 #endif
+#ifdef USE_WIN32DLL
+//=============== Try to open as Avisynth file: =================
+if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_AVS){
+  demuxer=new_demuxer(stream,DEMUXER_TYPE_AVS,audio_id,video_id,dvdsub_id);
+  if (avs_check_file(demuxer, filename)){
+      mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_Detected_XXX_FileFormat,"AVS");
+      file_format=DEMUXER_TYPE_AVS;
+  } else {
+      free_demuxer(demuxer);
+      demuxer = NULL;
+  }
+}
+#endif
 //=============== Try to open as PVA file: =================
 if(file_format == DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_PVA){
 	demuxer=new_demuxer(stream,DEMUXER_TYPE_PVA,audio_id,video_id,dvdsub_id);
@@ -1386,6 +1419,12 @@
   break;
  }
 #endif
+#ifdef USE_WIN32DLL
+  case DEMUXER_TYPE_AVS: {
+  if (!demux_open_avs(demuxer)) return NULL;
+  break;
+ }
+#endif
 } // switch(file_format)
 pts_from_bps=0; // !!!
 if ((sh_video=demuxer->video->sh) && sh_video->bih)
@@ -1487,6 +1526,9 @@
 int demux_seek_pva(demuxer_t *demuxer,float rel_seek_secs,int flags);
 int demux_seek_ts(demuxer_t *demuxer,float rel_seek_secs,int flags);
 int demux_seek_lavf(demuxer_t *demuxer,float rel_seek_secs,int flags);
+#ifdef USE_WIN32DLL
+int demux_seek_avs(demuxer_t *demuxer,float rel_seek_secs,int flags);
+#endif
 
 #ifdef HAVE_LIBDV095
 int demux_seek_rawdv(demuxer_t *demuxer, float pts, int flags);
@@ -1604,6 +1646,10 @@
  #endif
  case DEMUXER_TYPE_VQF:
       demux_seek_vqf(demuxer,rel_seek_secs,flags); break;
+ #ifdef USE_WIN32DLL
+ case DEMUXER_TYPE_AVS:
+      demux_seek_avs(demuxer,rel_seek_secs,flags); break;
+ #endif
 
 } // switch(demuxer->file_format)
 
@@ -1671,6 +1717,9 @@
 extern int demux_real_control(demuxer_t *demuxer, int cmd, void *arg);
 extern int demux_lavf_control(demuxer_t *demuxer, int cmd, void *arg);
 extern int demux_mov_control(demuxer_t *demuxer, int cmd, void *arg);
+#ifdef USE_WIN32DLL
+extern int demux_avs_control(demuxer_t *demuxer, int cmd, void *arg);
+#endif
 
 int demux_control(demuxer_t *demuxer, int cmd, void *arg) {
     switch(demuxer->type) {
@@ -1709,7 +1758,10 @@
 #endif
         case DEMUXER_TYPE_MOV:
    	    return demux_mov_control(demuxer, cmd, arg);
-
+#ifdef USE_WIN32DLL
+        case DEMUXER_TYPE_AVS:
+   	    return demux_avs_control(demuxer, cmd, arg);
+#endif 
 	default:
 	    return DEMUXER_CTRL_NOTIMPL;
     }

Index: demuxer.h
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.h,v
retrieving revision 1.73
retrieving revision 1.74
diff -u -r1.73 -r1.74
--- demuxer.h	29 Dec 2004 19:51:56 -0000	1.73
+++ demuxer.h	13 Feb 2005 13:38:27 -0000	1.74
@@ -45,11 +45,12 @@
 #define DEMUXER_TYPE_LAVF 35
 #define DEMUXER_TYPE_NSV 36
 #define DEMUXER_TYPE_VQF 37
+#define DEMUXER_TYPE_AVS 38
 
 // This should always match the higest demuxer type number.
 // Unless you want to disallow users to force the demuxer to some types
 #define DEMUXER_TYPE_MIN 0
-#define DEMUXER_TYPE_MAX 37
+#define DEMUXER_TYPE_MAX 38
 
 #define DEMUXER_TYPE_DEMUXERS (1<<16)
 // A virtual demuxer type for the network code




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