Beispiel #1
0
/*generates an intertwined bmp from a scene file with 5 different viewpoints*/
void bifs3d_viewpoints_merger(GF_ISOFile *file, char *szConfigFile, u32 width, u32 height, char *rad_name, u32 dump_type, char *out_dir, Double fps, s32 frameID, s32 dump_time)
{
	GF_User user;
	char out_path[GF_MAX_PATH];
	char old_driv[1024];
	BIFSVID b2v;
	Bool needs_raw;
	GF_Err e;
	GF_VideoSurface fb;
	unsigned char **rendered_frames;
	u32 nb_viewpoints = 5;
	u32 viewpoint_index;


	/* Configuration of the Rendering Capabilities */
	{
		const char *test;
		char config_path[GF_MAX_PATH];
		memset(&user, 0, sizeof(GF_User));
		user.config = gf_cfg_init(szConfigFile, NULL);

		if (!user.config) {
			fprintf(stdout, "Error: Configuration File \"%s\" not found in %s\n", GPAC_CFG_FILE, config_path);
			return;
		}

		test = gf_cfg_get_key(user.config, "General", "ModulesDirectory");
		user.modules = gf_modules_new((const unsigned char *) test, user.config);
		strcpy(old_driv, "raw_out");
		if (!gf_modules_get_count(user.modules)) {
			printf("Error: no modules found\n");
			goto err_exit;
		}

		/*switch driver to raw_driver*/
		test = gf_cfg_get_key(user.config, "Video", "DriverName");
		if (test) strcpy(old_driv, test);

		needs_raw = 0;
		test = gf_cfg_get_key(user.config, "Compositor", "RendererName");
		/*since we only support RGB24 for MP42AVI force using RAW out with 2D driver*/
		if (test && strstr(test, "2D")) {
			gf_cfg_set_key(user.config, "Video", "DriverName", "Raw Video Output");
			needs_raw = 1;
		}
		if (needs_raw) {
			test = gf_cfg_get_key(user.config, "Video", "DriverName");
			if (stricmp(test, "raw_out") && stricmp(test, "Raw Video Output")) {
				printf("couldn't load raw output driver (%s used)\n", test);
				goto err_exit;
			}
		}
	}

	memset(&b2v, 0, sizeof(BIFSVID));
	user.init_flags = GF_TERM_NO_AUDIO;
	/* Initialization of the compositor */
	b2v.sr = gf_sc_new(&user, 0, NULL);
	gf_sc_set_option(b2v.sr, GF_OPT_VISIBLE, 0);

	/* Initialization of the scene graph */
	b2v.sg = gf_sg_new();
	gf_sg_set_scene_time_callback(b2v.sg, get_scene_time, &b2v);
	gf_sg_set_init_callback(b2v.sg, node_init, &b2v);
	gf_sg_set_modified_callback(b2v.sg, node_modif, &b2v);

	/*load config*/
	gf_sc_set_option(b2v.sr, GF_OPT_RELOAD_CONFIG, 1);

	{
		u32 di;
		u32 track_number;
		GF_ESD *esd;
		u16 es_id;
		b2v.bifs = gf_bifs_decoder_new(b2v.sg, 0);

		for (track_number=0; track_number<gf_isom_get_track_count(file); track_number++) {
			esd = gf_isom_get_esd(file, track_number+1, 1);
			if (!esd) continue;
			if (!esd->dependsOnESID && (esd->decoderConfig->streamType == GF_STREAM_SCENE)) break;
			gf_odf_desc_del((GF_Descriptor *) esd);
			esd = NULL;
		}
		if (!esd) {
			printf("no bifs track found\n");
			goto err_exit;
		}

		es_id = (u16) gf_isom_get_track_id(file, track_number+1);
		e = gf_bifs_decoder_configure_stream(b2v.bifs, es_id, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication);
		if (e) {
			printf("BIFS init error %s\n", gf_error_to_string(e));
			gf_odf_desc_del((GF_Descriptor *) esd);
			esd = NULL;
			goto err_exit;
		}

		{
			GF_ISOSample *samp = gf_isom_get_sample(file, track_number+1, 1, &di);
			b2v.cts = samp->DTS + samp->CTS_Offset;
			/*apply command*/
			gf_bifs_decode_au(b2v.bifs, es_id, samp->data, samp->dataLength, ((Double)(s64)b2v.cts)/1000.0);
			gf_isom_sample_del(&samp);
		}

		b2v.duration = gf_isom_get_media_duration(file, track_number+1);

		gf_odf_desc_del((GF_Descriptor *) esd);

	}
	gf_sc_set_scene(b2v.sr, b2v.sg);

	if (!width || !height) {
		gf_sg_get_scene_size_info(b2v.sg, &width, &height);
	}
	/*we work in RGB24, and we must make sure the pitch is %4*/
	if ((width*3)%4) {
		printf("Adjusting width (%d) to have a stride multiple of 4\n", width);
		while ((width*3)%4) width--;
	}
	gf_sc_set_size(b2v.sr, width, height);
	gf_sc_get_screen_buffer(b2v.sr, &fb);
	width = fb.width;
	height = fb.height;
	gf_sc_release_screen_buffer(b2v.sr, &fb);

	GF_SAFEALLOC(rendered_frames, nb_viewpoints*sizeof(char *));
	for (viewpoint_index = 1; viewpoint_index <= nb_viewpoints; viewpoint_index++) {
		GF_SAFEALLOC(rendered_frames[viewpoint_index-1], fb.width*fb.height*3);
		gf_sc_set_viewpoint(b2v.sr, viewpoint_index, NULL);
		gf_sc_draw_frame(b2v.sr);
		/*needed for background2D !!*/
		gf_sc_draw_frame(b2v.sr);
		strcpy(out_path, "");
		if (out_dir) {
			strcat(out_path, out_dir);
			if (out_path[strlen(out_path)-1] != '\\') strcat(out_path, "\\");
		}
		strcat(out_path, rad_name);
		strcat(out_path, "_view");
		gf_sc_get_screen_buffer(b2v.sr, &fb);
		write_bmp(&fb, out_path, viewpoint_index);
		memcpy(rendered_frames[viewpoint_index-1], fb.video_buffer, fb.width*fb.height*3);
		gf_sc_release_screen_buffer(b2v.sr, &fb);
	}

	if (width != 800 || height != 480) {
		printf("Wrong scene dimension, cannot produce output\n");
		goto err_exit;
	} else {
		u32 x, y;
		GF_VideoSurface out_fb;
		u32 bpp = 3;
		out_fb.width = 800;
		out_fb.height = 480;
		out_fb.pitch = 800*bpp;
		out_fb.pixel_format = GF_PIXEL_RGB_24;
		out_fb.is_hardware_memory = 0;
		GF_SAFEALLOC(out_fb.video_buffer, out_fb.pitch*out_fb.height)
#if 1
		for (y=0; y<out_fb.height; y++) {
			/*starting red pixel is R1, R5, R4, R3, R2, R1, R5, ... when increasing line num*/
			u32 line_shift = (5-y) % 5;
			for (x=0; x<out_fb.width; x++) {
				u32 view_shift = (line_shift+bpp*x)%5;
				u32 offset = out_fb.pitch*y + x*bpp;
				/* red */
				out_fb.video_buffer[offset] = rendered_frames[view_shift][offset];
				/* green */
				out_fb.video_buffer[offset+1] = rendered_frames[(view_shift+1)%5][offset+1];
				/* blue */
				out_fb.video_buffer[offset+2] = rendered_frames[(view_shift+2)%5][offset+2];
			}
		}
#else
		/*calibration*/
		for (y=0; y<out_fb.height; y++) {
			u32 line_shift = (5- y%5) % 5;
			for (x=0; x<out_fb.width; x++) {
				u32 view_shift = (line_shift+bpp*x)%5;
				u32 offset = out_fb.pitch*y + x*bpp;
				out_fb.video_buffer[offset] = ((view_shift)%5 == 2) ? 0xFF : 0;
				out_fb.video_buffer[offset+1] = ((view_shift+1)%5 == 2) ? 0xFF : 0;
				out_fb.video_buffer[offset+2] = ((view_shift+2)%5 == 2) ? 0xFF : 0;
			}
		}
#endif
		write_bmp(&out_fb, "output", 0);
	}

	/*destroy everything*/
	gf_bifs_decoder_del(b2v.bifs);
	gf_sg_del(b2v.sg);
	gf_sc_set_scene(b2v.sr, NULL);
	gf_sc_del(b2v.sr);



err_exit:
	/*	if (rendered_frames) {
			for (viewpoint_index = 1; viewpoint_index <= nb_viewpoints; viewpoint_index++) {
				if (rendered_frames[viewpoint_index-1]) gf_free(rendered_frames[viewpoint_index-1]);
			}
			gf_free(rendered_frames);
		}
		if (output_merged_frame) gf_free(output_merged_frame);
	*/
	if (user.modules) gf_modules_del(user.modules);
	if (needs_raw) gf_cfg_set_key(user.config, "Video", "DriverName", old_driv);
	gf_cfg_del(user.config);
}
Beispiel #2
0
void bifs_to_vid(GF_ISOFile *file, char *szConfigFile, u32 width, u32 height, char *rad_name, u32 dump_type, char *out_dir, Double fps, s32 frameID, s32 dump_time)
{
	GF_User user;
	BIFSVID b2v;
	u16 es_id;
	Bool first_dump, needs_raw;
	u32 i, j, di, count, timescale, frameNum;
	u32 duration, cur_time;
	GF_VideoSurface fb;
	GF_Err e;
	char old_driv[1024];
	const char *test;
	char config_path[GF_MAX_PATH];
	avi_t *avi_out;
	Bool reset_fps;
	GF_ESD *esd;
	char comp[5];
	char *conv_buf;

	memset(&user, 0, sizeof(GF_User));
	if (szConfigFile && strlen(szConfigFile)) {
		user.config = gf_cfg_init(config_path, NULL);
	} else {
		user.config = gf_cfg_init(NULL, NULL);
	}

	if (!user.config) {
		fprintf(stdout, "Error: Configuration File \"%s\" not found in %s\n", GPAC_CFG_FILE, config_path);
		return;
	}
	avi_out = NULL;
	conv_buf = NULL;
	esd = NULL;
	needs_raw = 0;
	test = gf_cfg_get_key(user.config, "General", "ModulesDirectory");
	user.modules = gf_modules_new((const unsigned char *) test, user.config);
	strcpy(old_driv, "raw_out");
	if (!gf_modules_get_count(user.modules)) {
		printf("Error: no modules found\n");
		goto err_exit;
	}

	/*switch driver to raw_driver*/
	test = gf_cfg_get_key(user.config, "Video", "DriverName");
	if (test) strcpy(old_driv, test);

	test = gf_cfg_get_key(user.config, "Compositor", "RendererName");
	/*since we only support RGB24 for MP42AVI force using RAW out with 2D driver*/
	if (test && strstr(test, "2D")) {
		gf_cfg_set_key(user.config, "Video", "DriverName", "Raw Video Output");
		needs_raw = 1;
	}

	needs_raw = 0;
	user.init_flags = GF_TERM_NO_AUDIO | GF_TERM_FORCE_3D;
	b2v.sr = gf_sc_new(&user, 0, NULL);
	gf_sc_set_option(b2v.sr, GF_OPT_VISIBLE, 0);

	b2v.sg = gf_sg_new();
	gf_sg_set_scene_time_callback(b2v.sg, get_scene_time, &b2v);
	gf_sg_set_init_callback(b2v.sg, node_init, &b2v);
	gf_sg_set_modified_callback(b2v.sg, node_modif, &b2v);

	/*load config*/
	gf_sc_set_option(b2v.sr, GF_OPT_RELOAD_CONFIG, 1);

	b2v.bifs = gf_bifs_decoder_new(b2v.sg, 0);

	if (needs_raw) {
		test = gf_cfg_get_key(user.config, "Video", "DriverName");
		if (stricmp(test, "raw_out") && stricmp(test, "Raw Video Output")) {
			printf("couldn't load raw output driver (%s used)\n", test);
			goto err_exit;
		}
	}

	strcpy(config_path, "");
	if (out_dir) {
		strcat(config_path, out_dir);
		if (config_path[strlen(config_path)-1] != '\\') strcat(config_path, "\\");
	}
	strcat(config_path, rad_name);
	strcat(config_path, "_bifs");
	if (!dump_type) {
		strcat(config_path, ".avi");
		avi_out = AVI_open_output_file(config_path);
		comp[0] = comp[1] = comp[2] = comp[3] = comp[4] = 0;
		if (!avi_out) goto err_exit;
	}


	for (i=0; i<gf_isom_get_track_count(file); i++) {
		esd = gf_isom_get_esd(file, i+1, 1);
		if (!esd) continue;
		if (!esd->dependsOnESID && (esd->decoderConfig->streamType == GF_STREAM_SCENE)) break;
		gf_odf_desc_del((GF_Descriptor *) esd);
		esd = NULL;
	}
	if (!esd) {
		printf("no bifs track found\n");
		goto err_exit;
	}

	b2v.duration = gf_isom_get_media_duration(file, i+1);
	timescale = gf_isom_get_media_timescale(file, i+1);
	es_id = (u16) gf_isom_get_track_id(file, i+1);
	e = gf_bifs_decoder_configure_stream(b2v.bifs, es_id, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication);
	if (e) {
		printf("BIFS init error %s\n", gf_error_to_string(e));
		gf_odf_desc_del((GF_Descriptor *) esd);
		esd = NULL;
		goto err_exit;
	}
	if (dump_time>=0) dump_time = dump_time *1000 / timescale;

	gf_sc_set_scene(b2v.sr, b2v.sg);
	count = gf_isom_get_sample_count(file, i+1);

	reset_fps = 0;
	if (!fps) {
		fps = (Float) (count * timescale);
		fps /= (Double) (s64) b2v.duration;
		printf("Estimated BIFS FrameRate %g\n", fps);
		reset_fps = 1;
	}

	if (!width || !height) {
		gf_sg_get_scene_size_info(b2v.sg, &width, &height);
	}
	/*we work in RGB24, and we must make sure the pitch is %4*/
	if ((width*3)%4) {
		printf("Adjusting width (%d) to have a stride multiple of 4\n", width);
		while ((width*3)%4) width--;
	}

	gf_sc_set_size(b2v.sr, width, height);
	gf_sc_draw_frame(b2v.sr);

	gf_sc_get_screen_buffer(b2v.sr, &fb);
	width = fb.width;
	height = fb.height;
	if (avi_out) {
		AVI_set_video(avi_out, width, height, fps, comp);
		conv_buf = gf_malloc(sizeof(char) * width * height * 3);
	}
	printf("Dumping at BIFS resolution %d x %d\n\n", width, height);
	gf_sc_release_screen_buffer(b2v.sr, &fb);

	cur_time = 0;

	duration = (u32)(timescale / fps);
	if (reset_fps) fps = 0;

	frameNum = 1;
	first_dump = 1;
	for (j=0; j<count; j++) {
		GF_ISOSample *samp = gf_isom_get_sample(file, i+1, j+1, &di);

		b2v.cts = samp->DTS + samp->CTS_Offset;
		/*apply command*/
		gf_bifs_decode_au(b2v.bifs, es_id, samp->data, samp->dataLength, ((Double)(s64)b2v.cts)/1000.0);
		gf_isom_sample_del(&samp);

		if ((frameID>=0) && (j<(u32)frameID)) continue;
		if ((dump_time>=0) && ((u32) dump_time>b2v.cts)) continue;
		/*render frame*/
		gf_sc_draw_frame(b2v.sr);
		/*needed for background2D !!*/
		if (first_dump) {
			gf_sc_draw_frame(b2v.sr);
			first_dump = 0;
		}

		if (fps) {
			if (cur_time > b2v.cts) continue;

			while (1) {
				printf("dumped frame time %f (frame %d - sample %d)\r", ((Float)cur_time)/timescale, frameNum, j+1);
				dump_frame(b2v, conv_buf, config_path, dump_type, avi_out, frameNum);
				frameNum++;
				cur_time += duration;
				if (cur_time > b2v.cts) break;
			}
		} else {
			dump_frame(b2v, conv_buf, config_path, dump_type, avi_out, (frameID>=0) ? frameID : frameNum);
			if (frameID>=0 || dump_time>=0) break;
			frameNum++;
			printf("dumped frame %d / %d\r", j+1, count);
		}

	}
	gf_odf_desc_del((GF_Descriptor *) esd);

	/*destroy everything*/
	gf_bifs_decoder_del(b2v.bifs);
	gf_sg_del(b2v.sg);
	gf_sc_set_scene(b2v.sr, NULL);
	gf_sc_del(b2v.sr);

err_exit:
	if (avi_out) AVI_close(avi_out);
	if (conv_buf) gf_free(conv_buf);
	if (user.modules) gf_modules_del(user.modules);
	if (needs_raw) gf_cfg_set_key(user.config, "Video", "DriverName", old_driv);
	gf_cfg_del(user.config);
}
Beispiel #3
0
static GF_Err gf_sm_load_run_isom(GF_SceneLoader *load)
{
	GF_Err e;
	FILE *logs;
	u32 i, j, di, nbBifs, nbLaser, nb_samp, samp_done, init_offset;
	GF_StreamContext *sc;
	GF_ESD *esd;
	GF_ODCodec *od_dec;
#ifndef GPAC_DISABLE_BIFS
	GF_BifsDecoder *bifs_dec;
#endif
#ifndef GPAC_DISABLE_LASER
	GF_LASeRCodec *lsr_dec;
#endif

	if (!load || !load->isom) return GF_BAD_PARAM;

	nbBifs = nbLaser = 0;
	e = GF_OK;
#ifndef GPAC_DISABLE_BIFS
	bifs_dec = gf_bifs_decoder_new(load->scene_graph, 1);
	gf_bifs_decoder_set_extraction_path(bifs_dec, load->localPath, load->fileName);
#endif
	od_dec = gf_odf_codec_new();
	logs = NULL;
#ifndef GPAC_DISABLE_LASER
	lsr_dec = gf_laser_decoder_new(load->scene_graph);
#endif
	esd = NULL;
	/*load each stream*/
	nb_samp = 0;
	for (i=0; i<gf_isom_get_track_count(load->isom); i++) {
		u32 type = gf_isom_get_media_type(load->isom, i+1);
		switch (type) {
		case GF_ISOM_MEDIA_SCENE:
		case GF_ISOM_MEDIA_OD:
			nb_samp += gf_isom_get_sample_count(load->isom, i+1);
			break;
		default:
			break;
		}
	}
	samp_done = 1;
	gf_isom_text_set_streaming_mode(load->isom, 1);

	for (i=0; i<gf_isom_get_track_count(load->isom); i++) {
		u32 type = gf_isom_get_media_type(load->isom, i+1);
		switch (type) {
		case GF_ISOM_MEDIA_SCENE:
		case GF_ISOM_MEDIA_OD:
			break;
		default:
			continue;
		}
		esd = gf_isom_get_esd(load->isom, i+1, 1);
		if (!esd) continue;


		if ((esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_AFX) ||
		        (esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_SYNTHESIZED_TEXTURE)
		   ) {
			nb_samp += gf_isom_get_sample_count(load->isom, i+1);
			continue;
		}
		sc = gf_sm_stream_new(load->ctx, esd->ESID, esd->decoderConfig->streamType, esd->decoderConfig->objectTypeIndication);
		sc->streamType = esd->decoderConfig->streamType;
		sc->ESID = esd->ESID;
		sc->objectType = esd->decoderConfig->objectTypeIndication;
		sc->timeScale = gf_isom_get_media_timescale(load->isom, i+1);

		/*we still need to reconfig the BIFS*/
		if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
#ifndef GPAC_DISABLE_BIFS
			/*BIFS*/
			if (esd->decoderConfig->objectTypeIndication<=2) {
				if (!esd->dependsOnESID && nbBifs && !i)
					mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect");
				if (!esd->decoderConfig->decoderSpecificInfo) {
					/* Hack for T-DMB non compliant streams */
					e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, NULL, 0, esd->decoderConfig->objectTypeIndication);
				} else {
					e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication);
				}
				if (e) goto exit;
				nbBifs++;
			}
#endif

#ifndef GPAC_DISABLE_LASER
			/*LASER*/
			if (esd->decoderConfig->objectTypeIndication==0x09) {
				if (!esd->dependsOnESID && nbBifs && !i)
					mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect");
				e = gf_laser_decoder_configure_stream(lsr_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength);
				if (e) goto exit;
				nbLaser++;
			}
#endif
		}

		init_offset = 0;
		/*dump all AUs*/
		for (j=0; j<gf_isom_get_sample_count(load->isom, i+1); j++) {
			GF_AUContext *au;
			GF_ISOSample *samp = gf_isom_get_sample(load->isom, i+1, j+1, &di);
			if (!samp) {
				mp4_report(load, gf_isom_last_error(load->isom), "Unable to fetch sample %d from track ID %d - aborting track import", j+1, gf_isom_get_track_id(load->isom, i+1));
				break;
			}
			/*check if track has initial offset*/
			if (!j && gf_isom_get_edit_segment_count(load->isom, i+1)) {
				u64 EditTime, dur, mtime;
				u8 mode;
				gf_isom_get_edit_segment(load->isom, i+1, 1, &EditTime, &dur, &mtime, &mode);
				if (mode==GF_ISOM_EDIT_EMPTY) {
					init_offset = (u32) (dur * sc->timeScale / gf_isom_get_timescale(load->isom) );
				}
			}
			samp->DTS += init_offset;

			au = gf_sm_stream_au_new(sc, samp->DTS, ((Double)(s64) samp->DTS) / sc->timeScale, (samp->IsRAP==RAP) ? 1 : 0);

			if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
#ifndef GPAC_DISABLE_BIFS
				if (esd->decoderConfig->objectTypeIndication<=2)
					e = gf_bifs_decode_command_list(bifs_dec, esd->ESID, samp->data, samp->dataLength, au->commands);
#endif
#ifndef GPAC_DISABLE_LASER
				if (esd->decoderConfig->objectTypeIndication==0x09)
					e = gf_laser_decode_command_list(lsr_dec, esd->ESID, samp->data, samp->dataLength, au->commands);
#endif
			} else {
				e = gf_odf_codec_set_au(od_dec, samp->data, samp->dataLength);
				if (!e) e = gf_odf_codec_decode(od_dec);
				if (!e) {
					while (1) {
						GF_ODCom *odc = gf_odf_codec_get_com(od_dec);
						if (!odc) break;
						/*update ESDs if any*/
						UpdateODCommand(load->isom, odc);
						gf_list_add(au->commands, odc);
					}
				}
			}
			gf_isom_sample_del(&samp);
			if (e) {
				mp4_report(load, gf_isom_last_error(load->isom), "decoding sample %d from track ID %d failed", j+1, gf_isom_get_track_id(load->isom, i+1));
				goto exit;
			}

			samp_done++;
			gf_set_progress("MP4 Loading", samp_done, nb_samp);
		}
		gf_odf_desc_del((GF_Descriptor *) esd);
		esd = NULL;
	}
	gf_isom_text_set_streaming_mode(load->isom, 0);

exit:
#ifndef GPAC_DISABLE_BIFS
	gf_bifs_decoder_del(bifs_dec);
#endif
	gf_odf_codec_del(od_dec);
#ifndef GPAC_DISABLE_LASER
	gf_laser_decoder_del(lsr_dec);
#endif
	if (esd) gf_odf_desc_del((GF_Descriptor *) esd);
	if (logs) gf_fclose(logs);
	return e;
}