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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "osdep/io.h"
#include "talloc.h"
#include "config.h"
#include "mp_msg.h"
#include "stream/stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "mf.h"
static void demux_seek_mf(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){
mf_t * mf = (mf_t *)demuxer->priv;
sh_video_t * sh_video = demuxer->video->sh;
int newpos = (flags & SEEK_ABSOLUTE)?0:mf->curr_frame - 1;
if ( flags & SEEK_FACTOR ) newpos+=rel_seek_secs*(mf->nr_of_files - 1);
else newpos+=rel_seek_secs * sh_video->fps;
if ( newpos < 0 ) newpos=0;
if( newpos >= mf->nr_of_files) newpos=mf->nr_of_files - 1;
demuxer->filepos=mf->curr_frame=newpos;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_mf_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds){
mf_t * mf;
FILE * f;
mf=(mf_t*)demuxer->priv;
if ( mf->curr_frame >= mf->nr_of_files ) return 0;
if ( !( f=fopen( mf->names[mf->curr_frame],"rb" ) ) ) return 0;
{
sh_video_t * sh_video = demuxer->video->sh;
fseek(f, 0, SEEK_END);
long file_size = ftell(f);
fseek(f, 0, SEEK_SET);
demux_packet_t * dp = new_demux_packet( file_size );
if ( !fread( dp->buffer,file_size,1,f ) ) return 0;
dp->pts=mf->curr_frame / sh_video->fps;
dp->pos=mf->curr_frame;
dp->keyframe = true;
// append packet to DS stream:
ds_add_packet( demuxer->video,dp );
}
fclose( f );
demuxer->filepos=mf->curr_frame++;
return 1;
}
// force extension/type to have a fourcc
static const struct {
const char *type;
uint32_t format;
} type2format[] = {
{ "bmp", mmioFOURCC('b', 'm', 'p', ' ') },
{ "dpx", mmioFOURCC('d', 'p', 'x', ' ') },
{ "j2c", mmioFOURCC('M', 'J', '2', 'C') },
{ "j2k", mmioFOURCC('M', 'J', '2', 'C') },
{ "jp2", mmioFOURCC('M', 'J', '2', 'C') },
{ "jpc", mmioFOURCC('M', 'J', '2', 'C') },
{ "jpeg", mmioFOURCC('I', 'J', 'P', 'G') },
{ "jpg", mmioFOURCC('I', 'J', 'P', 'G') },
{ "jps", mmioFOURCC('I', 'J', 'P', 'G') },
{ "jls", mmioFOURCC('I', 'J', 'P', 'G') },
{ "thm", mmioFOURCC('I', 'J', 'P', 'G') },
{ "db", mmioFOURCC('I', 'J', 'P', 'G') },
{ "pcx", mmioFOURCC('p', 'c', 'x', ' ') },
{ "png", mmioFOURCC('M', 'P', 'N', 'G') },
{ "pns", mmioFOURCC('M', 'P', 'N', 'G') },
{ "ptx", mmioFOURCC('p', 't', 'x', ' ') },
{ "tga", mmioFOURCC('M', 'T', 'G', 'A') },
{ "tif", mmioFOURCC('t', 'i', 'f', 'f') },
{ "tiff", mmioFOURCC('t', 'i', 'f', 'f') },
{ "sgi", mmioFOURCC('S', 'G', 'I', '1') },
{ "sun", mmioFOURCC('s', 'u', 'n', ' ') },
{ "ras", mmioFOURCC('s', 'u', 'n', ' ') },
{ "ra", mmioFOURCC('s', 'u', 'n', ' ') },
{ "im1", mmioFOURCC('s', 'u', 'n', ' ') },
{ "im8", mmioFOURCC('s', 'u', 'n', ' ') },
{ "im24", mmioFOURCC('s', 'u', 'n', ' ') },
{ "sunras", mmioFOURCC('s', 'u', 'n', ' ') },
{ NULL, 0 }
};
static demuxer_t* demux_open_mf(demuxer_t* demuxer){
sh_video_t *sh_video = NULL;
mf_t *mf = NULL;
int i;
if(!demuxer->stream->url) return NULL;
if(strncmp(demuxer->stream->url, "mf://", 5)) return NULL;
mf=open_mf(demuxer->stream->url + 5);
if(!mf) return NULL;
if(!mf_type){
char* p=strrchr(mf->names[0],'.');
if(!p){
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] file type was not set! (try -mf type=xxx)\n" );
free( mf ); return NULL;
}
mf_type = talloc_strdup(NULL, p+1);
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] file type was not set! trying 'type=%s'...\n", mf_type);
}
demuxer->filepos=mf->curr_frame=0;
demuxer->movi_start = 0;
demuxer->movi_end = mf->nr_of_files - 1;
// 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;
for (i = 0; type2format[i].type; i++)
if (strcasecmp(mf_type, type2format[i].type) == 0)
break;
if (!type2format[i].type) {
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] unknown input file type.\n" );
free(mf);
return NULL;
}
sh_video->format = type2format[i].format;
sh_video->disp_w = mf_w;
sh_video->disp_h = mf_h;
sh_video->fps = mf_fps;
sh_video->frametime = 1 / sh_video->fps;
// emulate BITMAPINFOHEADER:
sh_video->bih=calloc(1, sizeof(*sh_video->bih));
sh_video->bih->biSize=40;
sh_video->bih->biWidth = mf_w;
sh_video->bih->biHeight = mf_h;
sh_video->bih->biPlanes=1;
sh_video->bih->biBitCount=24;
sh_video->bih->biCompression=sh_video->format;
sh_video->bih->biSizeImage=sh_video->bih->biWidth*sh_video->bih->biHeight*3;
/* disable seeking */
// demuxer->seekable = 0;
demuxer->priv=(void*)mf;
return demuxer;
}
static void demux_close_mf(demuxer_t* demuxer) {
mf_t *mf = demuxer->priv;
free(mf);
}
static int demux_control_mf(demuxer_t *demuxer, int cmd, void *arg) {
mf_t *mf = (mf_t *)demuxer->priv;
sh_video_t *sh_video = demuxer->video->sh;
switch(cmd) {
case DEMUXER_CTRL_GET_TIME_LENGTH:
*((double *)arg) = (double)mf->nr_of_files / sh_video->fps;
return DEMUXER_CTRL_OK;
case DEMUXER_CTRL_GET_PERCENT_POS:
if (mf->nr_of_files <= 1)
return DEMUXER_CTRL_DONTKNOW;
*((int *)arg) = 100 * mf->curr_frame / (mf->nr_of_files - 1);
return DEMUXER_CTRL_OK;
default:
return DEMUXER_CTRL_NOTIMPL;
}
}
const demuxer_desc_t demuxer_desc_mf = {
"mf demuxer",
"mf",
"MF",
"?",
"multiframe?, pictures demuxer",
DEMUXER_TYPE_MF,
0, // no autodetect
NULL,
demux_mf_fill_buffer,
demux_open_mf,
demux_close_mf,
demux_seek_mf,
demux_control_mf
};
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