mirror of https://github.com/mpv-player/mpv
125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
|
|
#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){
|
|
demuxer_mf_t * mf = (demuxer_mf_t *)demuxer->priv;
|
|
sh_video_t * sh_video = demuxer->video->sh;
|
|
int newpos = (flags & 1)?0:mf->curr_frame;
|
|
|
|
if ( flags & 2 ) newpos+=rel_seek_secs*mf->nr_of_frames;
|
|
else newpos+=rel_seek_secs * sh_video->fps;
|
|
if ( newpos < 0 ) newpos=0;
|
|
if( newpos > mf->nr_of_frames) newpos=mf->nr_of_frames;
|
|
mf->curr_frame=newpos;
|
|
}
|
|
|
|
// 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 );
|
|
if ( !fread( dp->buffer,fs.st_size,1,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;
|
|
|
|
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 ( !strcasecmp( mf_type,"jpg" ) ||
|
|
!(strcasecmp(mf_type, "jpeg"))) sh_video->format = mmioFOURCC('I', 'J', 'P', 'G');
|
|
else
|
|
if ( !strcasecmp( mf_type,"png" )) sh_video->format = mmioFOURCC('M', 'P', 'N', '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;
|
|
|
|
// emulate BITMAPINFOHEADER:
|
|
sh_video->bih=malloc(sizeof(BITMAPINFOHEADER));
|
|
memset(sh_video->bih,0,sizeof(BITMAPINFOHEADER));
|
|
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*)dmf;
|
|
|
|
return demuxer;
|
|
}
|