main.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.

		}

		printf("seek(%llu)... ", pos);
		fflush(stdout);
		if(!FLAC__file_decoder_seek_absolute(decoder, pos)) {
			if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
				return die_f_("FLAC__file_decoder_seek_absolute() FAILED", decoder);
			else if(decoder_client_data.total_samples == 0)
				printf("seek failed, assuming it was past EOF... ");
			else
				printf("seek past end failed as expected... ");

			/* hack to work around a deficiency in the seek API's behavior */
			/* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
			if(!FLAC__file_decoder_finish(decoder))
				return die_f_("FLAC__file_decoder_finish() FAILED", decoder);

			if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
				return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);

			if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
				return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);

			if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
				return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);

			if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
				return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);

			if(!FLAC__file_decoder_set_filename(decoder, filename))
				return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);

			if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
				return die_f_("FLAC__file_decoder_init() FAILED", decoder);

			if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
				return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
		}
		else {
			printf("decode_frame... ");
			fflush(stdout);
			if(!FLAC__file_decoder_process_single(decoder))
				return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);

			printf("decode_frame... ");
			fflush(stdout);
			if(!FLAC__file_decoder_process_single(decoder))
				return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
		}

		printf("OK\n");
		fflush(stdout);
	}

	if(FLAC__file_decoder_get_state(decoder) != FLAC__FILE_DECODER_UNINITIALIZED) {
		if(!FLAC__file_decoder_finish(decoder))
			return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
	}

	printf("\nPASSED!\n");

	return true;
}

#ifdef FLAC__HAS_OGG
static FLAC__bool seek_barrage_ogg_flac(const char *filename, off_t filesize, unsigned count)
{
	OggFLAC__FileDecoder *decoder;
	decoder_client_data_struct decoder_client_data;
	unsigned i;
	long int n;

	decoder_client_data.got_data = false;
	decoder_client_data.total_samples = 0;
	decoder_client_data.ignore_errors = false;
	decoder_client_data.error_occurred = false;

	printf("\n+++ seek test: OggFLAC__FileDecoder\n\n");

	decoder = OggFLAC__file_decoder_new();
	if(0 == decoder)
		return die_("OggFLAC__file_decoder_new() FAILED, returned NULL\n");

	if(!OggFLAC__file_decoder_set_write_callback(decoder, (OggFLAC__FileDecoderWriteCallback)file_decoder_write_callback_))
		return die_of_("OggFLAC__file_decoder_set_write_callback() FAILED", decoder);

	if(!OggFLAC__file_decoder_set_metadata_callback(decoder, (OggFLAC__FileDecoderMetadataCallback)file_decoder_metadata_callback_))
		return die_of_("OggFLAC__file_decoder_set_metadata_callback() FAILED", decoder);

	if(!OggFLAC__file_decoder_set_error_callback(decoder, (OggFLAC__FileDecoderErrorCallback)file_decoder_error_callback_))
		return die_of_("OggFLAC__file_decoder_set_error_callback() FAILED", decoder);

	if(!OggFLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
		return die_of_("OggFLAC__file_decoder_set_client_data() FAILED", decoder);

	if(!OggFLAC__file_decoder_set_filename(decoder, filename))
		return die_of_("OggFLAC__file_decoder_set_filename() FAILED", decoder);

	if(OggFLAC__file_decoder_init(decoder) != OggFLAC__FILE_DECODER_OK)
		return die_of_("OggFLAC__file_decoder_init() FAILED", decoder);

	if(!OggFLAC__file_decoder_process_until_end_of_metadata(decoder))
		return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);

	printf("file's total_samples is %llu\n", decoder_client_data.total_samples);
#if !defined _MSC_VER && !defined __MINGW32__
	if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
		printf("ERROR: must be total_samples < %u\n", (unsigned)RAND_MAX);
		return false;
	}
#endif
	n = (long int)decoder_client_data.total_samples;

	/* if we don't have a total samples count, just guess based on the file size */
	if(n == 0) {
		/* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */
		n = 9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample);
#if !defined _MSC_VER && !defined __MINGW32__
		if(n > RAND_MAX)
			n = RAND_MAX;
#endif
	}

	printf("Begin seek barrage, count=%u\n", count);

	for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
		FLAC__uint64 pos;

		/* for the first 10, seek to the first 10 samples */
		if (n >= 10 && i < 10) {
			pos = i;
		}
		/* for the second 10, seek to the last 10 samples */
		else if (n >= 10 && i < 20) {
			pos = n - 1 - (i-10);
		}
		/* for the third 10, seek past the end and make sure we fail properly as expected */
		else if (i < 30) {
			pos = n + (i-20);
		}
		else {
#if !defined _MSC_VER && !defined __MINGW32__
			pos = (FLAC__uint64)(random() % n);
#else
			/* RAND_MAX is only 32767 in my MSVC */
			pos = (FLAC__uint64)((rand()<<15|rand()) % n);
#endif
		}

		printf("seek(%llu)... ", pos);
		fflush(stdout);
		if(!OggFLAC__file_decoder_seek_absolute(decoder, pos)) {
			if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
				return die_of_("OggFLAC__file_decoder_seek_absolute() FAILED", decoder);
			else if(decoder_client_data.total_samples == 0)
				printf("seek failed, assuming it was past EOF... ");
			else
				printf("seek past end failed as expected... ");

			/* hack to work around a deficiency in the seek API's behavior */
			/* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
			if(!OggFLAC__file_decoder_finish(decoder))
				return die_of_("OggFLAC__file_decoder_finish() FAILED", decoder);

			if(!OggFLAC__file_decoder_set_write_callback(decoder, (OggFLAC__FileDecoderWriteCallback)file_decoder_write_callback_))
				return die_of_("OggFLAC__file_decoder_set_write_callback() FAILED", decoder);

			if(!OggFLAC__file_decoder_set_metadata_callback(decoder, (OggFLAC__FileDecoderMetadataCallback)file_decoder_metadata_callback_))
				return die_of_("OggFLAC__file_decoder_set_metadata_callback() FAILED", decoder);

			if(!OggFLAC__file_decoder_set_error_callback(decoder, (OggFLAC__FileDecoderErrorCallback)file_decoder_error_callback_))
				return die_of_("OggFLAC__file_decoder_set_error_callback() FAILED", decoder);

			if(!OggFLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
				return die_of_("OggFLAC__file_decoder_set_client_data() FAILED", decoder);

			if(!OggFLAC__file_decoder_set_filename(decoder, filename))
				return die_of_("OggFLAC__file_decoder_set_filename() FAILED", decoder);

			if(OggFLAC__file_decoder_init(decoder) != OggFLAC__FILE_DECODER_OK)
				return die_of_("OggFLAC__file_decoder_init() FAILED", decoder);

			if(!OggFLAC__file_decoder_process_until_end_of_metadata(decoder))
				return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
		}
		else {
			printf("decode_frame... ");
			fflush(stdout);
			if(!OggFLAC__file_decoder_process_single(decoder))
				return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);

			printf("decode_frame... ");
			fflush(stdout);
			if(!OggFLAC__file_decoder_process_single(decoder))
				return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);
		}

		printf("OK\n");
		fflush(stdout);
	}

	if(OggFLAC__file_decoder_get_state(decoder) != OggFLAC__FILE_DECODER_UNINITIALIZED) {
		if(!OggFLAC__file_decoder_finish(decoder))
			return die_of_("OggFLAC__file_decoder_finish() FAILED", decoder);
	}

	printf("\nPASSED!\n");

	return true;
}
#endif

int main(int argc, char *argv[])
{
	const char *filename;
	unsigned count = 0;
	off_t filesize;

	static const char * const usage = "usage: test_seeking file.flac [#seeks]\n";

	if (argc < 1 || argc > 3) {
		fprintf(stderr, usage);
		return 1;
	}

	filename = argv[1];

	if (argc > 2)
		count = strtoul(argv[2], 0, 10);

	if (count < 30)
		fprintf(stderr, "WARNING: random seeks don't kick in until after 30 preprogrammed ones\n");

#if !defined _MSC_VER && !defined __MINGW32__
	{
		struct timeval tv;

		if (gettimeofday(&tv, 0) < 0) {
			fprintf(stderr, "WARNING: couldn't seed RNG with time\n");
			tv.tv_usec = 4321;
		}
		srandom(tv.tv_usec);
	}
#else
	srand(time(0));
#endif

	filesize = get_filesize_(filename);
	if (filesize < 0) {
		fprintf(stderr, "ERROR: can't determine filesize for %s\n", filename);
		return 1;
	}

	(void) signal(SIGINT, our_sigint_handler_);

	{
		FLAC__bool ok;
		if (strlen(filename) > 4 && 0 == strcmp(filename+strlen(filename)-4, ".ogg")) {
#ifdef FLAC__HAS_OGG
			ok = seek_barrage_ogg_flac(filename, filesize, count);
#else
			fprintf(stderr, "ERROR: Ogg FLAC not supported\n");
			ok = false;
#endif
		}
		else {
			ok = seek_barrage_native_flac(filename, filesize, count);
		}
		return ok? 0 : 2;
	}
}