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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 "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "core/m_option.h"
#include "stream/stream.h"
#include "demux.h"
#include "stheader.h"
#include "video/img_format.h"
#include "video/img_fourcc.h"
static int format = MP_FOURCC_I420;
static int mp_format;
static char *codec;
static int width = 0;
static int height = 0;
static float fps = 25;
static int imgsize=0;
const m_option_t demux_rawvideo_opts[] = {
// size:
{ "w", &width, CONF_TYPE_INT,CONF_RANGE,1,8192, NULL },
{ "h", &height, CONF_TYPE_INT,CONF_RANGE,1,8192, NULL },
// format:
{ "format", &format, CONF_TYPE_FOURCC, 0, 0 , 0, NULL },
{ "mp-format", &mp_format, CONF_TYPE_IMGFMT, 0, 0 , 0, NULL },
{ "codec", &codec, CONF_TYPE_STRING, 0, 0 , 0, NULL },
// misc:
{ "fps", &fps, CONF_TYPE_FLOAT,CONF_RANGE,0.001,1000, NULL },
{ "size", &imgsize, CONF_TYPE_INT, CONF_RANGE, 1 , 8192*8192*4, NULL },
{NULL, NULL, 0, 0, 0, 0, NULL}
};
static demuxer_t* demux_rawvideo_open(demuxer_t* demuxer) {
sh_video_t* sh_video;
if(!width || !height){
mp_msg(MSGT_DEMUX,MSGL_ERR,"rawvideo: width or height not specified!\n");
return 0;
}
const char *decoder = "rawvideo";
int imgfmt = format;
if (mp_format) {
decoder = "mp-rawvideo";
imgfmt = mp_format;
if (!imgsize) {
struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(mp_format);
for (int p = 0; p < desc.num_planes; p++) {
imgsize += ((width >> desc.xs[p]) * (height >> desc.ys[p]) *
desc.bpp[p] + 7) / 8;
}
}
} else if (codec && codec[0]) {
decoder = talloc_strdup(demuxer, codec);
}
if (!imgsize) {
int bpp = 0;
switch(format){
case MP_FOURCC_I420: case MP_FOURCC_IYUV:
case MP_FOURCC_NV12: case MP_FOURCC_NV21:
case MP_FOURCC_HM12:
case MP_FOURCC_YV12:
bpp = 12;
break;
case MP_FOURCC_RGB12: case MP_FOURCC_BGR12:
case MP_FOURCC_RGB15: case MP_FOURCC_BGR15:
case MP_FOURCC_RGB16: case MP_FOURCC_BGR16:
case MP_FOURCC_YUY2: case MP_FOURCC_UYVY:
bpp = 16;
break;
case MP_FOURCC_RGB8: case MP_FOURCC_BGR8:
case MP_FOURCC_Y800: case MP_FOURCC_Y8:
bpp = 8;
break;
case MP_FOURCC_RGB24: case MP_FOURCC_BGR24:
bpp = 24;
break;
case MP_FOURCC_RGB32: case MP_FOURCC_BGR32:
bpp = 32;
break;
}
if (!bpp) {
mp_msg(MSGT_DEMUX,MSGL_ERR,"rawvideo: img size not specified and unknown format!\n");
return 0;
}
imgsize = width * height * bpp / 8;
}
sh_video = new_sh_video(demuxer,0);
sh_video->gsh->codec=decoder;
sh_video->format=imgfmt;
sh_video->fps=fps;
sh_video->frametime=1.0/fps;
sh_video->disp_w=width;
sh_video->disp_h=height;
sh_video->i_bps=fps*imgsize;
demuxer->movi_start = demuxer->stream->start_pos;
demuxer->movi_end = demuxer->stream->end_pos;
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
return demuxer;
}
static int demux_rawvideo_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
sh_video_t* sh = demuxer->video->sh;
int64_t pos;
if(demuxer->stream->eof) return 0;
if(ds!=demuxer->video) return 0;
pos = stream_tell(demuxer->stream);
ds_read_packet(ds,demuxer->stream,imgsize,(pos/imgsize)*sh->frametime,pos,0x10);
return 1;
}
static void demux_rawvideo_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){
stream_t* s = demuxer->stream;
sh_video_t* sh_video = demuxer->video->sh;
int64_t pos;
pos = (flags & SEEK_ABSOLUTE) ? demuxer->movi_start : stream_tell(s);
if(flags & SEEK_FACTOR)
pos += ((demuxer->movi_end - demuxer->movi_start)*rel_seek_secs);
else
pos += (rel_seek_secs*sh_video->i_bps);
if(pos < 0) pos = 0;
if(demuxer->movi_end && pos > demuxer->movi_end) pos = (demuxer->movi_end-imgsize);
pos/=imgsize;
stream_seek(s,pos*imgsize);
//sh_video->timer=pos * sh_video->frametime;
demuxer->video->pts = pos * sh_video->frametime;
// printf("demux_rawvideo: streamtell=%d\n",(int)stream_tell(demuxer->stream));
}
const demuxer_desc_t demuxer_desc_rawvideo = {
"Raw video demuxer",
"rawvideo",
"rawvideo",
"?",
"",
DEMUXER_TYPE_RAWVIDEO,
0, // no autodetect
NULL,
demux_rawvideo_fill_buffer,
demux_rawvideo_open,
NULL,
demux_rawvideo_seek,
NULL
};
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