trying to import gridflow 0.9.4

svn path=/trunk/; revision=10148

1 files changed, 243 insertions, 0 deletions

diff --git a/externals/gridflow/format/quicktimehw.c b/externals/gridflow/format/quicktimehw.c
new file mode 100644
index 00000000..363c4641
--- /dev/null
+++ b/externals/gridflow/format/quicktimehw.c
@@ -0,0 +1,243 @@
+/*
+	$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
+}