metadata_object.cpp

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

/* test_libFLAC++ - Unit tester for libFLAC++
 * Copyright (C) 2002,2003,2004,2005  Josh Coalson
 *
 * 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.
 *
 * 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.
 */

#include "FLAC/assert.h"
#include "FLAC++/metadata.h"
#include <stdio.h>
#include <stdlib.h> /* for malloc() */
#include <string.h> /* for memcmp() */

static ::FLAC__StreamMetadata streaminfo_, padding_, seektable_, application_, vorbiscomment_, cuesheet_;

static bool die_(const char *msg)
{
	printf("FAILED, %s\n", msg);
	return false;
}

static void *malloc_or_die_(size_t size)
{
	void *x = malloc(size);
	if(0 == x) {
		fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (unsigned)size);
		exit(1);
	}
	return x;
}

static bool index_is_equal_(const ::FLAC__StreamMetadata_CueSheet_Index &index, const ::FLAC__StreamMetadata_CueSheet_Index &indexcopy)
{
	if(indexcopy.offset != index.offset)
		return false;
	if(indexcopy.number != index.number)
		return false;
	return true;
}

static bool track_is_equal_(const ::FLAC__StreamMetadata_CueSheet_Track *track, const ::FLAC__StreamMetadata_CueSheet_Track *trackcopy)
{
	unsigned i;

	if(trackcopy->offset != track->offset)
		return false;
	if(trackcopy->number != track->number)
		return false;
	if(0 != strcmp(trackcopy->isrc, track->isrc))
		return false;
	if(trackcopy->type != track->type)
		return false;
	if(trackcopy->pre_emphasis != track->pre_emphasis)
		return false;
	if(trackcopy->num_indices != track->num_indices)
		return false;
	if(0 == track->indices || 0 == trackcopy->indices) {
		if(track->indices != trackcopy->indices)
			return false;
	}
	else {
		for(i = 0; i < track->num_indices; i++) {
			if(!index_is_equal_(trackcopy->indices[i], track->indices[i]))
				return false;
		}
	}
	return true;
}

static void init_metadata_blocks_()
{
	streaminfo_.is_last = false;
	streaminfo_.type = ::FLAC__METADATA_TYPE_STREAMINFO;
	streaminfo_.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
	streaminfo_.data.stream_info.min_blocksize = 576;
	streaminfo_.data.stream_info.max_blocksize = 576;
	streaminfo_.data.stream_info.min_framesize = 0;
	streaminfo_.data.stream_info.max_framesize = 0;
	streaminfo_.data.stream_info.sample_rate = 44100;
	streaminfo_.data.stream_info.channels = 1;
	streaminfo_.data.stream_info.bits_per_sample = 8;
	streaminfo_.data.stream_info.total_samples = 0;
	memset(streaminfo_.data.stream_info.md5sum, 0, 16);

	padding_.is_last = false;
	padding_.type = ::FLAC__METADATA_TYPE_PADDING;
	padding_.length = 1234;

	seektable_.is_last = false;
	seektable_.type = ::FLAC__METADATA_TYPE_SEEKTABLE;
	seektable_.data.seek_table.num_points = 2;
	seektable_.length = seektable_.data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
	seektable_.data.seek_table.points = (::FLAC__StreamMetadata_SeekPoint*)malloc_or_die_(seektable_.data.seek_table.num_points * sizeof(::FLAC__StreamMetadata_SeekPoint));
	seektable_.data.seek_table.points[0].sample_number = 0;
	seektable_.data.seek_table.points[0].stream_offset = 0;
	seektable_.data.seek_table.points[0].frame_samples = streaminfo_.data.stream_info.min_blocksize;
	seektable_.data.seek_table.points[1].sample_number = ::FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
	seektable_.data.seek_table.points[1].stream_offset = 1000;
	seektable_.data.seek_table.points[1].frame_samples = streaminfo_.data.stream_info.min_blocksize;

	application_.is_last = false;
	application_.type = ::FLAC__METADATA_TYPE_APPLICATION;
	application_.length = 8;
	memcpy(application_.data.application.id, "\xfe\xdc\xba\x98", 4);
	application_.data.application.data = (FLAC__byte*)malloc_or_die_(4);
	memcpy(application_.data.application.data, "\xf0\xe1\xd2\xc3", 4);

	vorbiscomment_.is_last = false;
	vorbiscomment_.type = ::FLAC__METADATA_TYPE_VORBIS_COMMENT;
	vorbiscomment_.length = (4 + 5) + 4 + (4 + 12) + (4 + 12);
	vorbiscomment_.data.vorbis_comment.vendor_string.length = 5;
	vorbiscomment_.data.vorbis_comment.vendor_string.entry = (FLAC__byte*)malloc_or_die_(5+1);
	memcpy(vorbiscomment_.data.vorbis_comment.vendor_string.entry, "name0", 5+1);
	vorbiscomment_.data.vorbis_comment.num_comments = 2;
	vorbiscomment_.data.vorbis_comment.comments = (::FLAC__StreamMetadata_VorbisComment_Entry*)malloc_or_die_(vorbiscomment_.data.vorbis_comment.num_comments * sizeof(::FLAC__StreamMetadata_VorbisComment_Entry));
	vorbiscomment_.data.vorbis_comment.comments[0].length = 12;
	vorbiscomment_.data.vorbis_comment.comments[0].entry = (FLAC__byte*)malloc_or_die_(12+1);
	memcpy(vorbiscomment_.data.vorbis_comment.comments[0].entry, "name2=value2", 12+1);
	vorbiscomment_.data.vorbis_comment.comments[1].length = 12;
	vorbiscomment_.data.vorbis_comment.comments[1].entry = (FLAC__byte*)malloc_or_die_(12+1);
	memcpy(vorbiscomment_.data.vorbis_comment.comments[1].entry, "name3=value3", 12+1);

	cuesheet_.is_last = true;
	cuesheet_.type = ::FLAC__METADATA_TYPE_CUESHEET;
	cuesheet_.length =
		/* cuesheet guts */
		(
			FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN +
			FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN +
			FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN +
			FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN +
			FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN
		) / 8 +
		/* 2 tracks */
		2 * (
			FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN +
			FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN +
			FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN +
			FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN +
			FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN +
			FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN +
			FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN
		) / 8 +
		/* 3 index points */
		3 * (
			FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN +
			FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN +
			FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN
		) / 8
	;
	memset(cuesheet_.data.cue_sheet.media_catalog_number, 0, sizeof(cuesheet_.data.cue_sheet.media_catalog_number));
	cuesheet_.data.cue_sheet.media_catalog_number[0] = 'j';
	cuesheet_.data.cue_sheet.media_catalog_number[1] = 'C';
	cuesheet_.data.cue_sheet.lead_in = 159;
	cuesheet_.data.cue_sheet.is_cd = true;
	cuesheet_.data.cue_sheet.num_tracks = 2;
	cuesheet_.data.cue_sheet.tracks = (FLAC__StreamMetadata_CueSheet_Track*)malloc_or_die_(cuesheet_.data.cue_sheet.num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track));
	cuesheet_.data.cue_sheet.tracks[0].offset = 1;
	cuesheet_.data.cue_sheet.tracks[0].number = 1;
	memcpy(cuesheet_.data.cue_sheet.tracks[0].isrc, "ACBDE1234567", sizeof(cuesheet_.data.cue_sheet.tracks[0].isrc));
	cuesheet_.data.cue_sheet.tracks[0].type = 0;
	cuesheet_.data.cue_sheet.tracks[0].pre_emphasis = 1;
	cuesheet_.data.cue_sheet.tracks[0].num_indices = 2;
	cuesheet_.data.cue_sheet.tracks[0].indices = (FLAC__StreamMetadata_CueSheet_Index*)malloc_or_die_(cuesheet_.data.cue_sheet.tracks[0].num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index));
	cuesheet_.data.cue_sheet.tracks[0].indices[0].offset = 0;
	cuesheet_.data.cue_sheet.tracks[0].indices[0].number = 0;
	cuesheet_.data.cue_sheet.tracks[0].indices[1].offset = 1234567890;
	cuesheet_.data.cue_sheet.tracks[0].indices[1].number = 1;
	cuesheet_.data.cue_sheet.tracks[1].offset = 2345678901u;
	cuesheet_.data.cue_sheet.tracks[1].number = 2;
	memcpy(cuesheet_.data.cue_sheet.tracks[1].isrc, "ACBDE7654321", sizeof(cuesheet_.data.cue_sheet.tracks[1].isrc));
	cuesheet_.data.cue_sheet.tracks[1].type = 1;
	cuesheet_.data.cue_sheet.tracks[1].pre_emphasis = 0;
	cuesheet_.data.cue_sheet.tracks[1].num_indices = 1;
	cuesheet_.data.cue_sheet.tracks[1].indices = (FLAC__StreamMetadata_CueSheet_Index*)malloc_or_die_(cuesheet_.data.cue_sheet.tracks[1].num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index));
	cuesheet_.data.cue_sheet.tracks[1].indices[0].offset = 0;
	cuesheet_.data.cue_sheet.tracks[1].indices[0].number = 1;
}

static void free_metadata_blocks_()
{
	free(seektable_.data.seek_table.points);
	free(application_.data.application.data);
	free(vorbiscomment_.data.vorbis_comment.vendor_string.entry);
	free(vorbiscomment_.data.vorbis_comment.comments[0].entry);
	free(vorbiscomment_.data.vorbis_comment.comments[1].entry);
	free(vorbiscomment_.data.vorbis_comment.comments);
	free(cuesheet_.data.cue_sheet.tracks[0].indices);
	free(cuesheet_.data.cue_sheet.tracks[1].indices);
	free(cuesheet_.data.cue_sheet.tracks);
}

bool test_metadata_object_streaminfo()
{
	unsigned expected_length;

	printf("testing class FLAC::Metadata::StreamInfo\n");

	printf("testing StreamInfo::StreamInfo()... ");
	FLAC::Metadata::StreamInfo block;
	if(!block.is_valid())
		return die_("!block.is_valid()");
	expected_length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
	if(block.get_length() != expected_length) {
		printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length());
		return false;
	}
	printf("OK\n");

	printf("testing StreamInfo::StreamInfo(const StreamInfo &)... +\n");
	printf("        StreamInfo::operator!=(const StreamInfo &)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy(block);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != block)
			return die_("copy is not identical to original");
		printf("OK\n");

		printf("testing StreamInfo::~StreamInfo()... ");
	}
	printf("OK\n");

	printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata &)... +\n");
	printf("        StreamInfo::operator!=(const ::FLAC__StreamMetadata &)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy(streaminfo_);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != streaminfo_)
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata *)... +\n");
	printf("        StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy(&streaminfo_);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != streaminfo_)
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata *, copy=true)... +\n");
	printf("        StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy(&streaminfo_, /*copy=*/true);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != streaminfo_)
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata *, copy=false)... +\n");
	printf("        StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... ");
	{
		::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&streaminfo_);
		FLAC::Metadata::StreamInfo blockcopy(copy, /*copy=*/false);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != streaminfo_)
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n");
	printf("        StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy;
		blockcopy.assign(&streaminfo_, /*copy=*/true);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != streaminfo_)
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n");
	printf("        StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... ");
	{
		::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&streaminfo_);
		FLAC::Metadata::StreamInfo blockcopy;
		blockcopy.assign(copy, /*copy=*/false);
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(blockcopy != streaminfo_)
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::operator=(const StreamInfo &)... +\n");
	printf("        StreamInfo::operator==(const StreamInfo &)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy = block;
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(!(blockcopy == block))
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::operator=(const ::FLAC__StreamMetadata &)... +\n");
	printf("        StreamInfo::operator==(const ::FLAC__StreamMetadata &)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy = streaminfo_;
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(!(blockcopy == streaminfo_))
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::operator=(const ::FLAC__StreamMetadata *)... +\n");
	printf("        StreamInfo::operator==(const ::FLAC__StreamMetadata *)... ");
	{
		FLAC::Metadata::StreamInfo blockcopy = &streaminfo_;
		if(!blockcopy.is_valid())
			return die_("!block.is_valid()");
		if(!(blockcopy == streaminfo_))
			return die_("copy is not identical to original");
		printf("OK\n");
	}

	printf("testing StreamInfo::set_min_blocksize()... ");
	block.set_min_blocksize(streaminfo_.data.stream_info.min_blocksize);
	printf("OK\n");

	printf("testing StreamInfo::set_max_blocksize()... ");
	block.set_max_blocksize(streaminfo_.data.stream_info.max_blocksize);
	printf("OK\n");

	printf("testing StreamInfo::set_min_framesize()... ");
	block.set_min_framesize(streaminfo_.data.stream_info.min_framesize);
	printf("OK\n");

	printf("testing StreamInfo::set_max_framesize()... ");
	block.set_max_framesize(streaminfo_.data.stream_info.max_framesize);
	printf("OK\n");