decoders.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.

	printf("testing set_metadata_ignore_application(of app block #2)... ");
	if(!decoder->set_metadata_ignore_application(application2_.data.application.id)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &streaminfo_;
	expected_metadata_sequence_[num_expected_++] = &padding_;
	expected_metadata_sequence_[num_expected_++] = &seektable_;
	expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
	expected_metadata_sequence_[num_expected_++] = &cuesheet_;
	expected_metadata_sequence_[num_expected_++] = &unknown_;

	if(!decoder->test_respond())
		return false;

	/*
	 * ignore all, respond VORBIS_COMMENT
	 */

	printf("testing set_metadata_ignore_all()... ");
	if(!decoder->set_metadata_ignore_all()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond(VORBIS_COMMENT)... ");
	if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_VORBIS_COMMENT)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;

	if(!decoder->test_respond())
		return false;

	/*
	 * ignore all, respond APPLICATION
	 */

	printf("testing set_metadata_ignore_all()... ");
	if(!decoder->set_metadata_ignore_all()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond(APPLICATION)... ");
	if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_APPLICATION)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &application1_;
	expected_metadata_sequence_[num_expected_++] = &application2_;

	if(!decoder->test_respond())
		return false;

	/*
	 * ignore all, respond APPLICATION id of app#1
	 */

	printf("testing set_metadata_ignore_all()... ");
	if(!decoder->set_metadata_ignore_all()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond_application(of app block #1)... ");
	if(!decoder->set_metadata_respond_application(application1_.data.application.id)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &application1_;

	if(!decoder->test_respond())
		return false;

	/*
	 * ignore all, respond APPLICATION id of app#1 & app#2
	 */

	printf("testing set_metadata_ignore_all()... ");
	if(!decoder->set_metadata_ignore_all()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond_application(of app block #1)... ");
	if(!decoder->set_metadata_respond_application(application1_.data.application.id)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond_application(of app block #2)... ");
	if(!decoder->set_metadata_respond_application(application2_.data.application.id)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &application1_;
	expected_metadata_sequence_[num_expected_++] = &application2_;

	if(!decoder->test_respond())
		return false;

	/*
	 * respond all, ignore APPLICATION, respond APPLICATION id of app#1
	 */

	printf("testing set_metadata_respond_all()... ");
	if(!decoder->set_metadata_respond_all()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_ignore(APPLICATION)... ");
	if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_APPLICATION)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond_application(of app block #1)... ");
	if(!decoder->set_metadata_respond_application(application1_.data.application.id)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &streaminfo_;
	expected_metadata_sequence_[num_expected_++] = &padding_;
	expected_metadata_sequence_[num_expected_++] = &seektable_;
	expected_metadata_sequence_[num_expected_++] = &application1_;
	expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
	expected_metadata_sequence_[num_expected_++] = &cuesheet_;
	expected_metadata_sequence_[num_expected_++] = &unknown_;

	if(!decoder->test_respond())
		return false;

	/*
	 * ignore all, respond APPLICATION, ignore APPLICATION id of app#1
	 */

	printf("testing set_metadata_ignore_all()... ");
	if(!decoder->set_metadata_ignore_all()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_respond(APPLICATION)... ");
	if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_APPLICATION)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_metadata_ignore_application(of app block #1)... ");
	if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &application2_;

	if(!decoder->test_respond())
		return false;

	/* done, now leave the sequence the way we found it... */
	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &streaminfo_;
	expected_metadata_sequence_[num_expected_++] = &padding_;
	expected_metadata_sequence_[num_expected_++] = &seektable_;
	expected_metadata_sequence_[num_expected_++] = &application1_;
	expected_metadata_sequence_[num_expected_++] = &application2_;
	expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
	expected_metadata_sequence_[num_expected_++] = &cuesheet_;
	expected_metadata_sequence_[num_expected_++] = &unknown_;

	::fclose(decoder->file_);

	printf("freeing decoder instance... ");
	delete decoder;
	printf("OK\n");

	printf("\nPASSED!\n");

	return true;
}

class FileDecoder : public FLAC::Decoder::File, public DecoderCommon {
public:
	FileDecoder(): FLAC::Decoder::File(), DecoderCommon() { }
	~FileDecoder() { }

	// from FLAC::Decoder::File
	::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]);
	void metadata_callback(const ::FLAC__StreamMetadata *metadata);
	void error_callback(::FLAC__StreamDecoderErrorStatus status);

	bool die(const char *msg = 0) const;

	bool test_respond();
};

::FLAC__StreamDecoderWriteStatus FileDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[])
{
	(void)buffer;
	return common_write_callback_(frame);
}

void FileDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata)
{
	common_metadata_callback_(metadata);
}

void FileDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status)
{
	common_error_callback_(status);
}

bool FileDecoder::die(const char *msg) const
{
	State state = get_state();

	if(msg)
		printf("FAILED, %s", msg);
	else
		printf("FAILED");

	printf(", state = %u (%s)\n", (unsigned)((::FLAC__FileDecoderState)state), state.as_cstring());
	if(state == ::FLAC__FILE_DECODER_SEEKABLE_STREAM_DECODER_ERROR) {
		FLAC::Decoder::SeekableStream::State state_ = get_seekable_stream_decoder_state();
		printf("      seekable stream decoder state = %u (%s)\n", (unsigned)((::FLAC__SeekableStreamDecoderState)state_), state_.as_cstring());
		if(state_ == ::FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR) {
			FLAC::Decoder::Stream::State state__ = get_stream_decoder_state();
			printf("      stream decoder state = %u (%s)\n", (unsigned)((::FLAC__StreamDecoderState)state__), state__.as_cstring());
		}
	}

	return false;
}

bool FileDecoder::test_respond()
{
	if(!set_filename(flacfilename_)) {
		printf("FAILED at set_filename(), returned false\n");
		return false;
	}

	if(!set_md5_checking(true)) {
		printf("FAILED at set_md5_checking(), returned false\n");
		return false;
	}

	printf("testing init()... ");
	if(init() != ::FLAC__FILE_DECODER_OK)
		return die();
	printf("OK\n");

	current_metadata_number_ = 0;

	printf("testing process_until_end_of_file()... ");
	if(!process_until_end_of_file()) {
		State state = get_state();
		printf("FAILED, returned false, state = %u (%s)\n", (unsigned)((::FLAC__FileDecoderState)state), state.as_cstring());
		return false;
	}
	printf("OK\n");

	printf("testing finish()... ");
	finish();
	printf("OK\n");

	return true;
}

static bool test_file_decoder()
{
	FileDecoder *decoder;

	printf("\n+++ libFLAC++ unit test: FLAC::Decoder::File\n\n");

	//
	// test new -> delete
	//
	printf("allocating decoder instance... ");
	decoder = new FileDecoder();
	if(0 == decoder) {
		printf("FAILED, new returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing is_valid()... ");
	if(!decoder->is_valid()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("freeing decoder instance... ");
	delete decoder;
	printf("OK\n");

	//
	// test new -> init -> delete
	//
	printf("allocating decoder instance... ");
	decoder = new FileDecoder();
	if(0 == decoder) {
		printf("FAILED, new returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing is_valid()... ");
	if(!decoder->is_valid()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing init()... ");
	if(decoder->init() != ::FLAC__FILE_DECODER_OK)
		return decoder->die();
	printf("OK\n");

	printf("freeing decoder instance... ");
	delete decoder;
	printf("OK\n");

	//
	// test normal usage
	//
	num_expected_ = 0;
	expected_metadata_sequence_[num_expected_++] = &streaminfo_;

	printf("allocating decoder instance... ");
	decoder = new FileDecoder();
	if(0 == decoder) {
		printf("FAILED, new returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing is_valid()... ");
	if(!decoder->is_valid()) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_filename()... ");
	if(!decoder->set_filename(flacfilename_)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing set_md5_checking()... ");
	if(!decoder->set_md5_checking(true)) {
		printf("FAILED, returned false\n");
		return false;
	}
	printf("OK\n");

	printf("testing init()... ");
	if(decoder->init() != ::FLAC__FILE_DECODER_OK)
		return decoder->die();
	printf("OK\n");

	printf("testing get_state()... ");
	FLAC::Decoder::File::State state = decoder->get_state();
	printf("returned state = %u (%s)... OK\n", (unsigned)((::FLAC__FileDecoderState)state), state.as_cstring());

	printf("testing get_seekable_stream_decoder_state()... ");
	FLAC::Decoder::SeekableStream::State state_ = decoder->get_seekable_stream_decoder_state();
	printf("returned state = %u (%s)... OK\n", (unsigned)((::FLAC__SeekableStreamDecoderState)state_), state_.as_cstring());

	printf("testing get_stream_decoder_state()... ");
	FLAC::Decoder::Stream::State state__ = decoder->get_stream_decoder_state();
	printf("returned state = %u (%s)... OK\n", (unsigned)((::FLAC__StreamDecoderState)state__), state__.as_cstring());

	decoder->current_metadata_number_ = 0;
	decoder->ignore_errors_ = false;
	decoder->error_occurred_ = false;

	printf("testing get_md5_checking()... ");
	if(!decoder->get_md5_checking()) {
		printf("FAILED, returned false, expected true\n");
		return false;
	}
	printf("OK\n");

	printf("testing process_until_end_of_metadata()... ");
	if(!decoder->process_until_end_of_metadata())
		return decoder->die("returned false");
	printf("OK\n");

	printf("testing process_single()... ");
	if(!decoder->process_single())
		return decoder->die("returned false");
	printf("OK\n");

	printf("testing skip_single_frame()... ");
	if(!decoder->skip_single_frame())
		return decoder->die("returned false");
	printf("OK\n");

	printf("testing seek_absolute()... ");
	if(!decoder->seek_absolute(0))
		return decoder->die("returned false");