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/*
$Id: quicktimehw.c 3878 2008-06-15 04:37:33Z matju $
GridFlow
Copyright (c) 2001-2008 by Mathieu Bouchard
This program 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.
See file ../COPYING for further informations on licensing terms.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define QUICKTIMEHW_INCLUDE_HERE
#include "../gridflow.h.fcs"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <map>
#include <vector>
static std::map<string,std::vector<string> *> codecs;
static std::map<string,string> fourccs;
\class FormatQuickTimeHW : Format {
quicktime_t *anim;
int track;
P<Dim> dim;
char *codec;
int colorspace;
int channels;
bool started;
P<Dim> force;
int length; // in frames
float64 framerate;
P<BitPacking> bit_packing;
int jpeg_quality; // in theory we shouldn't need this, but...
~FormatQuickTimeHW() {if (anim) quicktime_close(anim);}
\constructor (t_symbol *mode, string filename) {
track=0; dim=0; codec=QUICKTIME_RAW; started=false; force=0; framerate=29.97; bit_packing=0; jpeg_quality=75;
// libquicktime may be nice, but it won't take a filehandle, only filename
filename = gf_find_file(filename);
anim = quicktime_open((char *)filename.data(),mode==gensym("in"),mode==gensym("out"));
if (!anim) RAISE("can't open file `%s': %s (or some other reason that libquicktime won't tell us)",
filename.data(), strerror(errno));
if (mode==gensym("in")) {
length = quicktime_video_length(anim,track);
post("quicktime: codec=%s height=%d width=%d depth=%d framerate=%f",
quicktime_video_compressor(anim,track),
quicktime_video_height(anim,track),
quicktime_video_width(anim,track),
quicktime_video_depth(anim,track),
quicktime_frame_rate(anim,track));
/* This doesn't really work: (is it just for encoding?)
if (!quicktime_supported_video(anim,track))
RAISE("quicktime: unsupported codec: %s",
quicktime_video_compressor(anim,track));
*/
}
_0_colorspace(0,0,string("rgb"));
quicktime_set_cpus(anim,1);
uint32 mask[3] = {0x0000ff,0x00ff00,0xff0000};
bit_packing = new BitPacking(is_le(),3,3,mask);
}
\decl 0 bang ();
\decl 0 seek (long frame);
\decl 0 rewind ();
\decl 0 force_size (int32 height, int32 width);
\decl 0 codec (string c);
\decl 0 colorspace (string c);
\decl 0 parameter (string name, int32 value);
\decl 0 framerate (float64 f);
\decl 0 size (int32 height, int32 width);
\decl 0 get ();
\grin 0 int
};
\def 0 force_size (int32 height, int32 width) { force = new Dim(height, width); }
\def 0 seek (long frame) {
quicktime_set_video_position(anim,clip(frame,0L,quicktime_video_length(anim,track)-1),track);
}
\def 0 rewind () {_0_seek(0,0,0);}
\def 0 bang () {
long length = quicktime_video_length(anim,track);
long nframe = quicktime_video_position(anim,track);
if (nframe >= length) {outlet_bang(bself->te_outlet); return;}
/* if it works, only do it once, to avoid silly stderr messages forgotten in LQT */
if (!quicktime_reads_cmodel(anim,colorspace,0) && !started) {
RAISE("LQT says this video cannot be decoded into the chosen colorspace");
}
int sx = quicktime_video_width(anim,track);
int sy = quicktime_video_height(anim,track);
int sz = quicktime_video_depth(anim,track);
channels = sz/8; // hack. how do i get the video's native colormodel ?
switch (sz) {
case 24: colorspace=BC_RGB888; break;
case 32: colorspace=BC_RGBA8888; break;
default: post("strange quicktime. ask matju."); break;
}
if (force) {
sy = force->get(0);
sx = force->get(1);
}
uint8 *buf = new uint8[sy*sx*channels];
uint8 *rows[sy]; for (int i=0; i<sy; i++) rows[i]=buf+i*sx*channels;
quicktime_decode_scaled(anim,0,0,sx,sy,sx,sy,colorspace,rows,track);
GridOutlet out(this,0,new Dim(sy,sx,channels),cast);
out.give(sy*sx*channels,buf);
started=true;
// return INT2NUM(nframe);
}
//!@#$ should also support symbol values (how?)
\def 0 parameter (string name, int32 value) {
int val = value;
//post("quicktime_set_parameter %s %d",name.data(), val);
quicktime_set_parameter(anim, const_cast<char *>(name.data()), &val);
if (name=="jpeg_quality") jpeg_quality=value;
}
\def 0 framerate (float64 f) {
framerate=f;
quicktime_set_framerate(anim, f);
}
\def 0 size (int32 height, int32 width) {
if (dim) RAISE("video size already set!");
// first frame: have to do setup
dim = new Dim(height, width, 3);
quicktime_set_video(anim,1,dim->get(1),dim->get(0),framerate,codec);
quicktime_set_cmodel(anim,colorspace);
}
GRID_INLET(FormatQuickTimeHW,0) {
if (in->dim->n != 3) RAISE("expecting 3 dimensions: rows,columns,channels");
if (in->dim->get(2)!=channels) RAISE("expecting %d channels (got %d)",channels,in->dim->get(2));
in->set_chunk(0);
if (dim) {
if (!dim->equal(in->dim)) RAISE("all frames should be same size");
} else {
// first frame: have to do setup
dim = in->dim;
quicktime_set_video(anim,1,dim->get(1),dim->get(0),framerate,codec);
quicktime_set_cmodel(anim,colorspace);
quicktime_set_depth(anim,8*channels,track);
}
//post("quicktime jpeg_quality %d", jpeg_quality);
quicktime_set_parameter(anim, (char*)"jpeg_quality", &jpeg_quality);
} GRID_FLOW {
int sx = quicktime_video_width(anim,track);
int sy = quicktime_video_height(anim,track);
uint8 *rows[sy];
if (sizeof(T)>1) {
uint8 data2[n];
bit_packing->pack(sx*sy,data,(uint8 *)data2);
for (int i=0; i<sy; i++) rows[i]=data2+i*sx*channels;
quicktime_encode_video(anim,rows,track);
} else {
for (int i=0; i<sy; i++) rows[i]=(uint8 *)data+i*sx*channels;
quicktime_encode_video(anim,rows,track);
}
} GRID_FINISH {
} GRID_END
\def 0 codec (string c) {
#ifdef LQT_VERSION
char buf[5];
strncpy(buf,c.data(),4);
for (int i=c.length(); i<4; i++) buf[i]=' ';
buf[4]=0;
if (fourccs.find(string(buf))==fourccs.end())
RAISE("warning: unknown fourcc '%s'" /*" (%s)"*/, buf /*, rb_str_ptr(rb_inspect(rb_funcall(fourccs,SI(keys),0)))*/);
#endif
codec = strdup(buf);
}
\def 0 colorspace (string c) {
if (0) {
} else if (c=="rgb") { channels=3; colorspace=BC_RGB888;
} else if (c=="rgba") { channels=4; colorspace=BC_RGBA8888;
} else if (c=="bgr") { channels=3; colorspace=BC_BGR888;
} else if (c=="bgrn") { channels=4; colorspace=BC_BGR8888;
// } else if (c=="yuv") { channels=3; colorspace=BC_YUV888;
} else if (c=="yuva") { channels=4; colorspace=BC_YUVA8888;
} else if (c=="YUV420P") { channels=3; colorspace=BC_YUV420P;
} else RAISE("unknown colorspace '%s' (supported: rgb, rgba, bgr, bgrn, yuv, yuva)",c.data());
}
\def 0 get () {
/* t_atom a[1];
SETFLOAT(a,(float)length);
outlet_anything(bself->te_outlet,gensym("frames"),1,a);
*/
t_atom a[1];
SETFLOAT(a,length);
outlet_anything(bself->outlets[0],gensym("frames"),1,a);
//SUPER;
}
\classinfo {install_format("#io.quicktime",6,"mov avi");
// def self.info; %[codecs: #{@codecs.keys.join' '}] end
//#define L fprintf(stderr,"%s:%d in %s\n",__FILE__,__LINE__,__PRETTY_FUNCTION__);
#ifdef LQT_VERSION
lqt_registry_init();
int n = lqt_get_num_video_codecs();
for (int i=0; i<n; i++) {
const lqt_codec_info_t *s = lqt_get_video_codec_info(i);
if (!s->name) {
fprintf(stderr,"[#in quicktime]: skipping codec with null name!\n");
continue;
}
string name = string(s->name);
std::vector<string> *f = new std::vector<string>(s->num_fourccs);
if (!s->fourccs) {
post("WARNING: no fourccs (quicktime library is broken?)");
goto hell;
}
//fprintf(stderr,"num_fourccs=%d fourccs=%p\n",s->num_fourccs,s->fourccs);
for (int j=0; j<s->num_fourccs; j++) {
string fn = string(s->fourccs[j]);
f->push_back(fn);
fourccs[fn]=name;
}
codecs[name]=f;
hell:;
}
#endif
}
\end class FormatQuickTimeHW
void startup_quicktimehw () {
\startall
}
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