add mfi demuxer

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4551 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 103 insertions, 0 deletions

diff --git a/libmpdemux/demux_mf.c b/libmpdemux/demux_mf.c
new file mode 100644
index 0000000000..ab9b787964
--- /dev/null
+++ b/libmpdemux/demux_mf.c
@@ -0,0 +1,103 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.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 "mf.h"
+
+typedef struct
+{
+ int nr_of_frames;
+ int curr_frame;
+} demuxer_mf_t;
+
+void demux_seek_mf(demuxer_t *demuxer,float rel_seek_secs,int flags){
+}
+
+// return value:
+//     0 = EOF or no stream found
+//     1 = successfully read a packet
+int demux_mf_fill_buffer(demuxer_t *demuxer){
+  mf_t         * mf;
+  demuxer_mf_t * dmf;
+  struct stat    fs;
+  FILE         * f;
+
+  dmf=(demuxer_mf_t*)demuxer->priv;
+  if ( dmf->curr_frame >= dmf->nr_of_frames ) return 0;
+  mf=(mf_t*)demuxer->stream->priv;
+
+  stat( mf->names[dmf->curr_frame],&fs );
+//  printf( "[demux_mf] frame: %d (%s,%d)\n",dmf->curr_frame,mf->names[dmf->curr_frame],fs.st_size );
+
+  if ( !( f=fopen( mf->names[dmf->curr_frame],"r" ) ) ) return 0;
+  {
+   sh_video_t     * sh_video = demuxer->video->sh;
+   demux_packet_t * dp = new_demux_packet( fs.st_size );
+//    stream_read(stream,dp->buffer,len);
+   if ( !fread( dp->buffer,1,fs.st_size,f ) ) return 0;
+   dp->pts=dmf->curr_frame / sh_video->fps;
+   dp->pos=dmf->curr_frame;
+   dp->flags=0;
+   // append packet to DS stream:
+   ds_add_packet( demuxer->video,dp );
+  }
+  fclose( f );
+
+  dmf->curr_frame++;
+  return 1;
+}
+
+demuxer_t* demux_open_mf(demuxer_t* demuxer){
+  sh_video_t   *sh_video = NULL;
+  mf_t         *mf = NULL;
+  demuxer_mf_t *dmf = NULL;
+
+  mp_msg( MSGT_DEMUX,MSGL_V,"[demux_mf] mf demuxer opened.\n" );
+  mf=(mf_t*)demuxer->stream->priv;
+  dmf=calloc( 1,sizeof( demuxer_mf_t ) );
+
+  // go back to the beginning
+  stream_reset(demuxer->stream);
+  stream_seek(demuxer->stream, 0);
+  demuxer->movi_start = 0;
+  demuxer->movi_end = mf->nr_of_files - 1;
+  dmf->nr_of_frames= mf->nr_of_files;
+  dmf->curr_frame=0;
+
+  // 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;
+
+  if ( !strcmp( mf_type,"jpg" ) ) sh_video->format = mmioFOURCC('M', 'J', 'P', 'G');
+   else { mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] unknow input file type.\n" ); free( dmf ); return NULL; }
+
+  sh_video->disp_w = mf_w;
+  sh_video->disp_h = mf_h;
+  sh_video->fps = mf_fps;
+  sh_video->frametime = 1 / sh_video->fps;
+
+  /* disable seeking */
+  demuxer->seekable = 0;
+
+  demuxer->priv=(void*)dmf;
+
+  return demuxer;
+}