mostly complete support for loading and decoding FLI/FLC animations

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3102 b3059339-0415-0410-9bf9-f77b7e298cf2

libmpdemux/Makefile

@@ -3,7 +3,7 @@ LIBNAME = libmpdemux.a
 
 include ../config.mak
 
-SRCS = mp3_hdr.c video.c mpeg_hdr.c cache2.c asfheader.c aviheader.c aviprint.c aviwrite.c demux_asf.c demux_avi.c demux_mov.c demux_mpg.c demux_viv.c demuxer.c dvdauth.c open.c parse_es.c stream.c tv.c tvi_dummy.c tvi_v4l.c frequencies.c
+SRCS = mp3_hdr.c video.c mpeg_hdr.c cache2.c asfheader.c aviheader.c aviprint.c aviwrite.c demux_asf.c demux_avi.c demux_mov.c demux_mpg.c demux_viv.c demuxer.c dvdauth.c open.c parse_es.c stream.c tv.c tvi_dummy.c tvi_v4l.c frequencies.c demux_fli.c
 ifeq ($(STREAMING),yes)
 SRCS += asf_streaming.c url.c http.c network.c
 endif

libmpdemux/demux_fli.c

@@ -0,0 +1,114 @@
+/*
+	FLI file parser for the MPlayer program
+	by Mike Melanson
+*/
+
+#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"
+
+typedef struct _fli_frames_t {
+  int num_frames;
+  int current_frame;
+  off_t *filepos;
+  unsigned int *frame_size;
+} fli_frames_t;
+
+// return value:
+//     0 = EOF or no stream found
+//     1 = successfully read a packet
+int demux_fli_fill_buffer(demuxer_t *demuxer){
+  fli_frames_t *frames = (fli_frames_t *)demuxer->priv;
+
+  // see if the end has been reached
+  if (frames->current_frame == frames->num_frames)
+    return 0;
+
+  // fetch the frame from the file
+  // first, position the file properly since ds_read_packet() doesn't
+  // seem to do it, even though it takes a file offset as a parameter
+  stream_seek(demuxer->stream, frames->filepos[frames->current_frame]);
+  ds_read_packet(demuxer->video,
+    demuxer->stream, 
+    frames->frame_size[frames->current_frame],
+    0, /* not sure what pts is for */
+    frames->filepos[frames->current_frame],
+    0 /* what flags? */
+  );
+
+  // get the next frame ready
+  frames->current_frame++;
+
+  return 1;
+}
+
+demuxer_t* demux_open_fli(demuxer_t* demuxer){
+  sh_video_t *sh_video = NULL;
+  fli_frames_t *frames = (fli_frames_t *)malloc(sizeof(fli_frames_t));
+  int frame_number;
+
+  // go back to the beginning
+  stream_reset(demuxer->stream);
+  stream_seek(demuxer->stream, 0);
+  demuxer->movi_start = 128;
+  demuxer->movi_end = stream_read_dword_le(demuxer->stream);
+
+  // skip the magic number
+  stream_skip(demuxer->stream, 2);
+
+  // fetch the number of frames
+  frames->num_frames = stream_read_word_le(demuxer->stream);
+  frames->current_frame = 0;
+
+  // allocate enough entries for the indices
+  frames->filepos = (off_t *)malloc(frames->num_frames * sizeof(off_t));
+  frames->frame_size = (int *)malloc(frames->num_frames * sizeof(int));
+
+  // create a new video stream header
+  sh_video = new_sh_video(demuxer, 0);
+
+  // make sure the demuxer knows about the new video stream header
+  // (even though new_sh_video() ought to take care of it)
+  demuxer->video->sh = sh_video;
+
+  // make sure that the video demuxer stream header knows about its
+  // parent video demuxer stream (this is getting wacky), or else
+  // video_read_properties() will choke
+  sh_video->ds = demuxer->video;
+
+  // custom fourcc for internal MPlayer use
+  sh_video->format = mmioFOURCC('F', 'L', 'I', 'C');
+
+  sh_video->disp_w = stream_read_word_le(demuxer->stream);
+  sh_video->disp_h = stream_read_word_le(demuxer->stream);
+
+  // skip the video depth and flags
+  stream_skip(demuxer->stream, 4);
+
+  // get the speed
+  sh_video->fps = 1000 / stream_read_word_le(demuxer->stream);
+  sh_video->frametime = 1/sh_video->fps;
+
+  // build the frame index
+  stream_seek(demuxer->stream, demuxer->movi_start);
+  frame_number = 0;
+  while ((!stream_eof(demuxer->stream)) && (frame_number < frames->num_frames))
+  {
+    frames->filepos[frame_number] = stream_tell(demuxer->stream);
+    frames->frame_size[frame_number] = stream_read_dword_le(demuxer->stream);
+    stream_skip(demuxer->stream, frames->frame_size[frame_number] - 4);
+    frame_number++;
+  }
+
+  demuxer->priv = frames;
+
+  return demuxer;
+}

libmpdemux/demuxer.c

@@ -149,6 +149,7 @@ void ds_read_packet(demux_stream_t *ds,stream_t *stream,int len,float pts,off_t
 // return value:
 //     0 = EOF or no stream found or invalid type
 //     1 = successfully read a packet
+int demux_fli_fill_buffer(demuxer_t *demux);
 int demux_mpg_es_fill_buffer(demuxer_t *demux);
 int demux_mpg_fill_buffer(demuxer_t *demux);
 int demux_avi_fill_buffer(demuxer_t *demux);
@@ -170,6 +171,7 @@ int demux_fill_buffer(demuxer_t *demux,demux_stream_t *ds){
   // Note: parameter 'ds' can be NULL!
 //  printf("demux->type=%d\n",demux->type);
   switch(demux->type){
+    case DEMUXER_TYPE_FLI: return demux_fli_fill_buffer(demux);
     case DEMUXER_TYPE_MPEG_ES: return demux_mpg_es_fill_buffer(demux);
     case DEMUXER_TYPE_MPEG_PS: return demux_mpg_fill_buffer(demux);
     case DEMUXER_TYPE_AVI: return demux_avi_fill_buffer(demux);
@@ -354,6 +356,7 @@ demux_stream_t* demux_avi_select_stream(demuxer_t *demux,unsigned int id);
 demuxer_t* demux_open_avi(demuxer_t* demuxer);
 int mov_check_file(demuxer_t* demuxer);
 int mov_read_header(demuxer_t* demuxer);
+int demux_open_fli(demuxer_t* demuxer);
 
 extern int vivo_check_file(demuxer_t *demuxer);
 extern void demux_open_vivo(demuxer_t *demuxer);
@@ -381,6 +384,20 @@ if((tv_param_on == 1) &&
   file_format=DEMUXER_TYPE_TV;
 }
 #endif
+//=============== Try to open as FLI file: =================
+if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_FLI){
+  demuxer=new_demuxer(stream,DEMUXER_TYPE_FLI,audio_id,video_id,dvdsub_id);
+  {
+    int size=stream_read_dword_le(demuxer->stream);
+    int id=stream_read_word_le(demuxer->stream);
+    // chech for the FLI file magic number
+    if((id==0xAF11) || (id==0xAF12)){ 
+      mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedFLIfile);
+      file_format=DEMUXER_TYPE_FLI;
+    }
+  }
+}
+
 //=============== Try to open as AVI file: =================
 if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_AVI){
   demuxer=new_demuxer(stream,DEMUXER_TYPE_AVI,audio_id,video_id,dvdsub_id);
@@ -481,6 +498,10 @@ d_video=demuxer->video;
 demuxer->file_format=file_format;
 
 switch(file_format){
+ case DEMUXER_TYPE_FLI: {
+  if (!demux_open_fli(demuxer)) return NULL;
+  break;
+ }
  case DEMUXER_TYPE_MOV: {
   if(!mov_read_header(demuxer)) return NULL;
 //  sh_video=d_video->sh;if(sh_video) sh_video->ds=d_video;

libmpdemux/demuxer.h

@@ -12,6 +12,7 @@
 #define DEMUXER_TYPE_MOV 7
 #define DEMUXER_TYPE_VIVO 8
 #define DEMUXER_TYPE_TV 9
+#define DEMUXER_TYPE_FLI 10
 
 #define DEMUXER_TIME_NONE 0
 #define DEMUXER_TIME_PTS 1