Beispiel #1
0
GF_EXPORT
GF_Err gf_bifs_encode_au(GF_BifsEncoder *codec, u16 ESID, GF_List *command_list, char **out_data, u32 *out_data_length)
{
	GF_BitStream *bs;
	GF_Err e;

	if (!codec || !command_list || !out_data || !out_data_length) return GF_BAD_PARAM;

//	gf_mx_p(codec->mx);
	codec->info = BE_GetStream(codec, ESID);
	if (!codec->info) {
//		gf_mx_v(codec->mx);
		return GF_BAD_PARAM;
	}

	bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);

	if (codec->info->config.elementaryMasks) {
		e = GF_NOT_SUPPORTED;
	} else {
		e = gf_bifs_enc_commands(codec, command_list, bs);
	}
	gf_bs_align(bs);
	gf_bs_get_content(bs, out_data, out_data_length);
	gf_bs_del(bs);
//	gf_mx_v(codec->mx);
	return e;
}
Beispiel #2
0
GF_Err gf_bifs_enc_sf_field(GF_BifsEncoder *codec, GF_BitStream *bs, GF_Node *node, GF_FieldInfo *field)
{
	GF_Err e;

	if (node) {
		e = gf_bifs_enc_quant_field(codec, bs, node, field);
		if (e != GF_EOS) return e;
	}
	switch (field->fieldType) {
	case GF_SG_VRML_SFBOOL:
		GF_BIFS_WRITE_INT(codec, bs, * ((SFBool *)field->far_ptr), 1, "SFBool", NULL);
		break;
	case GF_SG_VRML_SFCOLOR:
		BE_WriteSFFloat(codec, ((SFColor *)field->far_ptr)->red, bs, "color.red");
		BE_WriteSFFloat(codec, ((SFColor *)field->far_ptr)->green, bs, "color.green");
		BE_WriteSFFloat(codec, ((SFColor *)field->far_ptr)->blue, bs, "color.blue");
		break;
	case GF_SG_VRML_SFFLOAT:
		BE_WriteSFFloat(codec, * ((SFFloat *)field->far_ptr), bs, NULL);
		break;
	case GF_SG_VRML_SFINT32:
		GF_BIFS_WRITE_INT(codec, bs, * ((SFInt32 *)field->far_ptr), 32, "SFInt32", NULL);
		break;
	case GF_SG_VRML_SFROTATION:
		BE_WriteSFFloat(codec, ((SFRotation  *)field->far_ptr)->x, bs, "rot.x");
		BE_WriteSFFloat(codec, ((SFRotation  *)field->far_ptr)->y, bs, "rot.y");
		BE_WriteSFFloat(codec, ((SFRotation  *)field->far_ptr)->z, bs, "rot.z");
		BE_WriteSFFloat(codec, ((SFRotation  *)field->far_ptr)->q, bs, "rot.theta");
		break;

	case GF_SG_VRML_SFSTRING:
		if (node && (node->sgprivate->tag==TAG_MPEG4_CacheTexture) && (field->fieldIndex<=2)) {
			u32 size, val;
			char buf[4096];
			char *res_src = NULL;
			const char *src = ((SFString*)field->far_ptr)->buffer;
			FILE *f;
			if (codec->src_url) res_src = gf_url_concatenate(codec->src_url, src);

			f = gf_fopen(res_src ? res_src : src, "rb");
			if (!f) {
				GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[BIFS] Cannot open source file %s for encoding CacheTexture\n", res_src ? res_src : src));
				return GF_URL_ERROR;
			}
			if (res_src) gf_free(res_src);
			gf_fseek(f, 0, SEEK_END);
			size = (u32) gf_ftell(f);
			val = gf_get_bit_size(size);
			GF_BIFS_WRITE_INT(codec, bs, val, 5, "nbBits", NULL);
			GF_BIFS_WRITE_INT(codec, bs, size, val, "length", NULL);
			gf_fseek(f, 0, SEEK_SET);
			while (size) {
				u32 read = (u32) fread(buf, 1, 4096, f);
				gf_bs_write_data(bs, buf, read);
				size -= read;
			}
		} else {
			u32 i, val, len;
			char *str = (char *) ((SFString*)field->far_ptr)->buffer;
			if (node && (node->sgprivate->tag==TAG_MPEG4_BitWrapper) ) {
				len = ((M_BitWrapper*)node)->buffer_len;
			} else {
				len = str ? (u32) strlen(str) : 0;
			}
			val = gf_get_bit_size(len);
			GF_BIFS_WRITE_INT(codec, bs, val, 5, "nbBits", NULL);
			GF_BIFS_WRITE_INT(codec, bs, len, val, "length", NULL);
			for (i=0; i<len; i++) gf_bs_write_int(bs, str[i], 8);
			GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] string\t\t%d\t\t%s\n", 8*len, str) );
		}
		break;

	case GF_SG_VRML_SFTIME:
		gf_bs_write_double(bs, *((SFTime *)field->far_ptr));
		GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] SFTime\t\t%d\t\t%g\n", 64, *((SFTime *)field->far_ptr)));
		break;

	case GF_SG_VRML_SFVEC2F:
		BE_WriteSFFloat(codec, ((SFVec2f *)field->far_ptr)->x, bs, "vec2f.x");
		BE_WriteSFFloat(codec, ((SFVec2f *)field->far_ptr)->y, bs, "vec2f.y");
		break;

	case GF_SG_VRML_SFVEC3F:
		BE_WriteSFFloat(codec, ((SFVec3f *)field->far_ptr)->x, bs, "vec3f.x");
		BE_WriteSFFloat(codec, ((SFVec3f *)field->far_ptr)->y, bs, "vec3f.y");
		BE_WriteSFFloat(codec, ((SFVec3f *)field->far_ptr)->z, bs, "vec3f.z");
		break;

	case GF_SG_VRML_SFURL:
	{
		SFURL *url = (SFURL *) field->far_ptr;
		GF_BIFS_WRITE_INT(codec, bs, (url->OD_ID>0) ? 1 : 0, 1, "hasODID", "SFURL");
		if (url->OD_ID>0) {
			GF_BIFS_WRITE_INT(codec, bs, url->OD_ID, 10, "ODID", "SFURL");
		} else {
			u32 i, len = url->url ? (u32) strlen(url->url) : 0;
			u32 val = gf_get_bit_size(len);
			GF_BIFS_WRITE_INT(codec, bs, val, 5, "nbBits", NULL);
			GF_BIFS_WRITE_INT(codec, bs, len, val, "length", NULL);
			for (i=0; i<len; i++) gf_bs_write_int(bs, url->url[i], 8);
			GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] string\t\t%d\t\t%s\t\t//SFURL\n", 8*len, url->url));
		}
	}
	break;
	case GF_SG_VRML_SFIMAGE:
	{
		u32 size, i;
		SFImage *img = (SFImage *)field->far_ptr;
		GF_BIFS_WRITE_INT(codec, bs, img->width, 12, "width", "SFImage");
		GF_BIFS_WRITE_INT(codec, bs, img->height, 12, "height", "SFImage");
		GF_BIFS_WRITE_INT(codec, bs, img->numComponents - 1, 2, "nbComp", "SFImage");
		size = img->width * img->height * img->numComponents;
		for (i=0; i<size; i++) gf_bs_write_int(bs, img->pixels[i], 8);
		GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] pixels\t\t%d\t\tnot dumped\t\t//SFImage\n", 8*size));
	}
	break;

	case GF_SG_VRML_SFCOMMANDBUFFER:
	{
		SFCommandBuffer *cb = (SFCommandBuffer *) field->far_ptr;
		if (cb->buffer) gf_free(cb->buffer);
		cb->buffer = NULL;
		cb->bufferSize = 0;
		if (gf_list_count(cb->commandList)) {
			u32 i, nbBits;
			GF_BitStream *bs_cond = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
			GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] /*SFCommandBuffer*/\n" ));
			e = gf_bifs_enc_commands(codec, cb->commandList, bs_cond);
			if (!e) gf_bs_get_content(bs_cond, (char**)&cb->buffer, &cb->bufferSize);
			gf_bs_del(bs_cond);
			if (e) return e;
			GF_LOG(GF_LOG_DEBUG, GF_LOG_CODING, ("[BIFS] /*End SFCommandBuffer*/\n"));
			nbBits = gf_get_bit_size(cb->bufferSize);
			GF_BIFS_WRITE_INT(codec, bs, nbBits, 5, "NbBits", NULL);
			GF_BIFS_WRITE_INT(codec, bs, cb->bufferSize, nbBits, "BufferSize", NULL);
			for (i=0; i<cb->bufferSize; i++) GF_BIFS_WRITE_INT(codec, bs, cb->buffer[i], 8, "buffer byte", NULL);
		}
		/*empty command buffer*/
		else {
			GF_BIFS_WRITE_INT(codec, bs, 0, 5, "NbBits", NULL);
		}
	}
	break;

	case GF_SG_VRML_SFNODE:
		return gf_bifs_enc_node(codec, *((GF_Node **)field->far_ptr), field->NDTtype, bs, node);

	case GF_SG_VRML_SFSCRIPT:
#ifdef GPAC_HAS_SPIDERMONKEY
		codec->LastError = SFScript_Encode(codec, (SFScript *)field->far_ptr, bs, node);
#else
		return GF_NOT_SUPPORTED;
#endif
		break;
	case GF_SG_VRML_SFATTRREF:
	{
		u32 idx=0;
		SFAttrRef *ar = (SFAttrRef *)field->far_ptr;
		u32 nbBitsDEF = gf_get_bit_size(gf_node_get_num_fields_in_mode(ar->node, GF_SG_FIELD_CODING_DEF) - 1);
		GF_BIFS_WRITE_INT(codec, bs, gf_node_get_id(ar->node) - 1, codec->info->config.NodeIDBits, "NodeID", NULL);

		gf_bifs_field_index_by_mode(ar->node, ar->fieldIndex, GF_SG_FIELD_CODING_DEF, &idx);
		GF_BIFS_WRITE_INT(codec, bs, idx, nbBitsDEF, "field", NULL);
	}
	break;
	default:
		return GF_NOT_SUPPORTED;
	}
	return codec->LastError;
}