decoders.c

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.

		return die_s_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__stream_decoder_set_metadata_respond_application(of app block #2)... ");
	if(!FLAC__stream_decoder_set_metadata_respond_application(decoder, application2_.data.application.id))
		return die_s_("returned false", decoder);
	printf("OK\n");

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

	if(!stream_decoder_test_respond_(decoder, &decoder_client_data))
		return false;

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

	printf("testing FLAC__stream_decoder_set_metadata_respond_all()... ");
	if(!FLAC__stream_decoder_set_metadata_respond_all(decoder))
		return die_s_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__stream_decoder_set_metadata_ignore(APPLICATION)... ");
	if(!FLAC__stream_decoder_set_metadata_ignore(decoder, FLAC__METADATA_TYPE_APPLICATION))
		return die_s_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__stream_decoder_set_metadata_respond_application(of app block #1)... ");
	if(!FLAC__stream_decoder_set_metadata_respond_application(decoder, application1_.data.application.id))
		return die_s_("returned false", decoder);
	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(!stream_decoder_test_respond_(decoder, &decoder_client_data))
		return false;

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

	printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... ");
	if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder))
		return die_s_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__stream_decoder_set_metadata_respond(APPLICATION)... ");
	if(!FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_APPLICATION))
		return die_s_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__stream_decoder_set_metadata_ignore_application(of app block #1)... ");
	if(!FLAC__stream_decoder_set_metadata_ignore_application(decoder, application1_.data.application.id))
		return die_s_("returned false", decoder);
	printf("OK\n");

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

	if(!stream_decoder_test_respond_(decoder, &decoder_client_data))
		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_;

	printf("testing FLAC__stream_decoder_delete()... ");
	FLAC__stream_decoder_delete(decoder);
	printf("OK\n");

	fclose(decoder_client_data.file);

	printf("\nPASSED!\n");

	return true;
}

static FLAC__SeekableStreamDecoderReadStatus seekable_stream_decoder_read_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
{
	(void)decoder;
	switch(stream_decoder_read_callback_(0, buffer, bytes, client_data)) {
		case FLAC__STREAM_DECODER_READ_STATUS_CONTINUE:
			return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK;
		case FLAC__STREAM_DECODER_READ_STATUS_ABORT:
		case FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM:
			return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR;
		default:
			FLAC__ASSERT(0);
			return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR;
	}
}

static FLAC__SeekableStreamDecoderSeekStatus seekable_stream_decoder_seek_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
{
	seekable_stream_decoder_client_data_struct *dcd = (seekable_stream_decoder_client_data_struct*)client_data;

	(void)decoder;

	if(0 == dcd) {
		printf("ERROR: client_data in seek callback is NULL\n");
		return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;
	}

	if(dcd->error_occurred)
		return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;

	if(fseek(dcd->file, (long)absolute_byte_offset, SEEK_SET) < 0) {
		dcd->error_occurred = true;
		return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;
	}

	return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK;
}

static FLAC__SeekableStreamDecoderTellStatus seekable_stream_decoder_tell_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
{
	seekable_stream_decoder_client_data_struct *dcd = (seekable_stream_decoder_client_data_struct*)client_data;
	long offset;

	(void)decoder;

	if(0 == dcd) {
		printf("ERROR: client_data in tell callback is NULL\n");
		return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR;
	}

	if(dcd->error_occurred)
		return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR;

	offset = ftell(dcd->file);
	*absolute_byte_offset = (FLAC__uint64)offset;

	if(offset < 0) {
		dcd->error_occurred = true;
		return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR;
	}

	return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK;
}

static FLAC__SeekableStreamDecoderLengthStatus seekable_stream_decoder_length_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
{
	seekable_stream_decoder_client_data_struct *dcd = (seekable_stream_decoder_client_data_struct*)client_data;

	(void)decoder;

	if(0 == dcd) {
		printf("ERROR: client_data in length callback is NULL\n");
		return FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR;
	}

	if(dcd->error_occurred)
		return FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR;

	*stream_length = (FLAC__uint64)flacfilesize_;
	return FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK;
}

static FLAC__bool seekable_stream_decoder_eof_callback_(const FLAC__SeekableStreamDecoder *decoder, void *client_data)
{
	seekable_stream_decoder_client_data_struct *dcd = (seekable_stream_decoder_client_data_struct*)client_data;

	(void)decoder;

	if(0 == dcd) {
		printf("ERROR: client_data in eof callback is NULL\n");
		return true;
	}

	if(dcd->error_occurred)
		return true;

	return feof(dcd->file);
}

static FLAC__StreamDecoderWriteStatus seekable_stream_decoder_write_callback_(const FLAC__SeekableStreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
{
	(void)decoder;
	return stream_decoder_write_callback_(0, frame, buffer, client_data);
}

static void seekable_stream_decoder_metadata_callback_(const FLAC__SeekableStreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
{
	(void)decoder;
	stream_decoder_metadata_callback_(0, metadata, client_data);
}

static void seekable_stream_decoder_error_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
{
	(void)decoder;
	stream_decoder_error_callback_(0, status, client_data);
}

static FLAC__bool seekable_stream_decoder_test_respond_(FLAC__SeekableStreamDecoder *decoder, seekable_stream_decoder_client_data_struct *dcd)
{
	if(!FLAC__seekable_stream_decoder_set_read_callback(decoder, seekable_stream_decoder_read_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_read_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_seek_callback(decoder, seekable_stream_decoder_seek_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_seek_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_tell_callback(decoder, seekable_stream_decoder_tell_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_tell_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_length_callback(decoder, seekable_stream_decoder_length_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_length_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_eof_callback(decoder, seekable_stream_decoder_eof_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_eof_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_write_callback(decoder, seekable_stream_decoder_write_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_write_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_metadata_callback(decoder, seekable_stream_decoder_metadata_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_metadata_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_error_callback(decoder, seekable_stream_decoder_error_callback_))
		return die_ss_("at FLAC__seekable_stream_decoder_set_error_callback(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_client_data(decoder, dcd))
		return die_ss_("at FLAC__seekable_stream_decoder_set_client_data(), returned false", decoder);

	if(!FLAC__seekable_stream_decoder_set_md5_checking(decoder, true))
		return die_ss_("at FLAC__seekable_stream_decoder_set_md5_checking(), returned false", decoder);

	printf("testing FLAC__seekable_stream_decoder_init()... ");
	if(FLAC__seekable_stream_decoder_init(decoder) != FLAC__SEEKABLE_STREAM_DECODER_OK)
		return die_ss_(0, decoder);
	printf("OK\n");

	dcd->current_metadata_number = 0;

	if(fseek(dcd->file, 0, SEEK_SET) < 0) {
		printf("FAILED rewinding input, errno = %d\n", errno);
		return false;
	}

	printf("testing FLAC__seekable_stream_decoder_process_until_end_of_stream()... ");
	if(!FLAC__seekable_stream_decoder_process_until_end_of_stream(decoder))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_finish()... ");
	(void) FLAC__seekable_stream_decoder_finish(decoder);
	printf("OK\n");

	return true;
}

static FLAC__bool test_seekable_stream_decoder()
{
	FLAC__SeekableStreamDecoder *decoder;
	FLAC__SeekableStreamDecoderState state;
	FLAC__StreamDecoderState sstate;
	seekable_stream_decoder_client_data_struct decoder_client_data;

	printf("\n+++ libFLAC unit test: FLAC__SeekableStreamDecoder\n\n");

	printf("testing FLAC__seekable_stream_decoder_new()... ");
	decoder = FLAC__seekable_stream_decoder_new();
	if(0 == decoder) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_delete()... ");
	FLAC__seekable_stream_decoder_delete(decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_new()... ");
	decoder = FLAC__seekable_stream_decoder_new();
	if(0 == decoder) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_init()... ");
	if(FLAC__seekable_stream_decoder_init(decoder) == FLAC__SEEKABLE_STREAM_DECODER_OK)
		return die_ss_(0, decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_delete()... ");
	FLAC__seekable_stream_decoder_delete(decoder);
	printf("OK\n");

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

	printf("testing FLAC__seekable_stream_decoder_new()... ");
	decoder = FLAC__seekable_stream_decoder_new();
	if(0 == decoder) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_read_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_read_callback(decoder, seekable_stream_decoder_read_callback_))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_seek_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_seek_callback(decoder, seekable_stream_decoder_seek_callback_))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_tell_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_tell_callback(decoder, seekable_stream_decoder_tell_callback_))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_length_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_length_callback(decoder, seekable_stream_decoder_length_callback_))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_eof_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_eof_callback(decoder, seekable_stream_decoder_eof_callback_))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_write_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_write_callback(decoder, seekable_stream_decoder_write_callback_))
		return die_ss_("returned false", decoder);
	printf("OK\n");

	printf("testing FLAC__seekable_stream_decoder_set_metadata_callback()... ");
	if(!FLAC__seekable_stream_decoder_set_metadata_callback(decoder, seekable_stream_decoder_metadata_callback_))
		return die_ss_("returned false", decoder);