13 #include "stream/stream.h"
18 static void demux_seek_mf(demuxer_t
*demuxer
,float rel_seek_secs
,float audio_delay
,int flags
){
19 mf_t
* mf
= (mf_t
*)demuxer
->priv
;
20 sh_video_t
* sh_video
= demuxer
->video
->sh
;
21 int newpos
= (flags
& 1)?0:mf
->curr_frame
- 1;
23 if ( flags
& 2 ) newpos
+=rel_seek_secs
*(mf
->nr_of_files
- 1);
24 else newpos
+=rel_seek_secs
* sh_video
->fps
;
25 if ( newpos
< 0 ) newpos
=0;
26 if( newpos
>= mf
->nr_of_files
) newpos
=mf
->nr_of_files
- 1;
27 mf
->curr_frame
=newpos
;
31 // 0 = EOF or no stream found
32 // 1 = successfully read a packet
33 static int demux_mf_fill_buffer(demuxer_t
*demuxer
, demux_stream_t
*ds
){
38 mf
=(mf_t
*)demuxer
->priv
;
39 if ( mf
->curr_frame
>= mf
->nr_of_files
) return 0;
41 stat( mf
->names
[mf
->curr_frame
],&fs
);
42 // printf( "[demux_mf] frame: %d (%s,%d)\n",mf->curr_frame,mf->names[mf->curr_frame],fs.st_size );
45 if ( !( f
=fopen( mf
->names
[mf
->curr_frame
],"rb" ) ) ) return 0;
47 if ( !( f
=fopen( mf
->names
[mf
->curr_frame
],"r" ) ) ) return 0;
50 sh_video_t
* sh_video
= demuxer
->video
->sh
;
51 demux_packet_t
* dp
= new_demux_packet( fs
.st_size
);
52 if ( !fread( dp
->buffer
,fs
.st_size
,1,f
) ) return 0;
53 dp
->pts
=mf
->curr_frame
/ sh_video
->fps
;
54 dp
->pos
=mf
->curr_frame
;
56 // append packet to DS stream:
57 ds_add_packet( demuxer
->video
,dp
);
65 static demuxer_t
* demux_open_mf(demuxer_t
* demuxer
){
66 sh_video_t
*sh_video
= NULL
;
69 if(!demuxer
->stream
->url
) return NULL
;
70 if(strncmp(demuxer
->stream
->url
, "mf://", 5)) return NULL
;
73 mf
=open_mf(demuxer
->stream
->url
+ 5);
77 char* p
=strrchr(mf
->names
[0],'.');
79 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "[demux_mf] file type was not set! (try -mf type=xxx)\n" );
80 free( mf
); return NULL
;
83 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "[demux_mf] file type was not set! trying 'type=%s'...\n", mf_type
);
88 demuxer
->movi_start
= 0;
89 demuxer
->movi_end
= mf
->nr_of_files
- 1;
91 // create a new video stream header
92 sh_video
= new_sh_video(demuxer
, 0);
93 // make sure the demuxer knows about the new video stream header
94 // (even though new_sh_video() ought to take care of it)
95 demuxer
->video
->sh
= sh_video
;
97 // make sure that the video demuxer stream header knows about its
98 // parent video demuxer stream (this is getting wacky), or else
99 // video_read_properties() will choke
100 sh_video
->ds
= demuxer
->video
;
102 if ( !strcasecmp( mf_type
,"jpg" ) ||
103 !(strcasecmp(mf_type
, "jpeg"))) sh_video
->format
= mmioFOURCC('I', 'J', 'P', 'G');
105 if ( !strcasecmp( mf_type
,"png" )) sh_video
->format
= mmioFOURCC('M', 'P', 'N', 'G' );
107 if ( !strcasecmp( mf_type
,"tga" )) sh_video
->format
= mmioFOURCC('M', 'T', 'G', 'A' );
109 if ( !strcasecmp( mf_type
,"bmp" )) sh_video
->format
= mmioFOURCC('b', 'm', 'p', ' ' );
111 if (!strcasecmp( mf_type
,"sgi" )) sh_video
->format
= mmioFOURCC('S', 'G', 'I', '1');
112 else { mp_msg(MSGT_DEMUX
, MSGL_INFO
, "[demux_mf] unknown input file type.\n" ); free( mf
); return NULL
; }
114 sh_video
->disp_w
= mf_w
;
115 sh_video
->disp_h
= mf_h
;
116 sh_video
->fps
= mf_fps
;
117 sh_video
->frametime
= 1 / sh_video
->fps
;
119 // emulate BITMAPINFOHEADER:
120 sh_video
->bih
=malloc(sizeof(BITMAPINFOHEADER
));
121 memset(sh_video
->bih
,0,sizeof(BITMAPINFOHEADER
));
122 sh_video
->bih
->biSize
=40;
123 sh_video
->bih
->biWidth
= mf_w
;
124 sh_video
->bih
->biHeight
= mf_h
;
125 sh_video
->bih
->biPlanes
=1;
126 sh_video
->bih
->biBitCount
=24;
127 sh_video
->bih
->biCompression
=sh_video
->format
;
128 sh_video
->bih
->biSizeImage
=sh_video
->bih
->biWidth
*sh_video
->bih
->biHeight
*3;
130 /* disable seeking */
131 // demuxer->seekable = 0;
133 demuxer
->priv
=(void*)mf
;
138 static void demux_close_mf(demuxer_t
* demuxer
) {
139 mf_t
*mf
= demuxer
->priv
;
146 static int demux_control_mf(demuxer_t
*demuxer
, int cmd
, void *arg
) {
147 mf_t
*mf
= (mf_t
*)demuxer
->priv
;
148 sh_video_t
*sh_video
= demuxer
->video
->sh
;
151 case DEMUXER_CTRL_GET_TIME_LENGTH
:
152 *((double *)arg
) = (double)mf
->nr_of_files
/ sh_video
->fps
;
153 return DEMUXER_CTRL_OK
;
155 case DEMUXER_CTRL_GET_PERCENT_POS
:
156 if (mf
->nr_of_files
<= 1)
157 return DEMUXER_CTRL_DONTKNOW
;
158 *((int *)arg
) = 100 * mf
->curr_frame
/ (mf
->nr_of_files
- 1);
159 return DEMUXER_CTRL_OK
;
162 return DEMUXER_CTRL_NOTIMPL
;
166 demuxer_desc_t demuxer_desc_mf
= {
171 "multiframe?, pictures demuxer",
175 demux_mf_fill_buffer
,