main.c

wince下著名的视频播放器源码

foo:
	fclose(f);
	return false;
}

/* a mono sine-wave 16bps stream */
static FLAC__bool generate_sine16_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2)
{
	const FLAC__int16 full_scale = 32767;
	const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
	const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
	FILE *f;
	double theta1, theta2;
	unsigned i;

	if(0 == (f = fopen(fn, mode)))
		return false;

	for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
		double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
		FLAC__int16 v = (FLAC__int16)(val + 0.5);
		if(!write_little_endian_int16(f, v))
			goto foo;
	}

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

/* a stereo sine-wave 16bps stream */
static FLAC__bool generate_sine16_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult)
{
	const FLAC__int16 full_scale = 32767;
	const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
	const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
	FILE *f;
	double theta1, theta2;
	unsigned i;

	if(0 == (f = fopen(fn, mode)))
		return false;

	for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
		double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
		FLAC__int16 v = (FLAC__int16)(val + 0.5);
		if(!write_little_endian_int16(f, v))
			goto foo;
		val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale;
		v = (FLAC__int16)(val + 0.5);
		if(!write_little_endian_int16(f, v))
			goto foo;
	}

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

/* a mono sine-wave 24bps stream */
static FLAC__bool generate_sine24_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2)
{
	const FLAC__int32 full_scale = 0x7fffff;
	const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
	const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
	FILE *f;
	double theta1, theta2;
	unsigned i;

	if(0 == (f = fopen(fn, mode)))
		return false;

	for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
		double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
		FLAC__int32 v = (FLAC__int32)(val + 0.5);
		if(!write_little_endian_int24(f, v))
			goto foo;
	}

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

/* a stereo sine-wave 24bps stream */
static FLAC__bool generate_sine24_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult)
{
	const FLAC__int32 full_scale = 0x7fffff;
	const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
	const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
	FILE *f;
	double theta1, theta2;
	unsigned i;

	if(0 == (f = fopen(fn, mode)))
		return false;

	for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
		double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
		FLAC__int32 v = (FLAC__int32)(val + 0.5);
		if(!write_little_endian_int24(f, v))
			goto foo;
		val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale;
		v = (FLAC__int32)(val + 0.5);
		if(!write_little_endian_int24(f, v))
			goto foo;
	}

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

static FLAC__bool generate_noise(const char *fn, unsigned bytes)
{
	FILE *f;
	unsigned b;
#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

	if(0 == (f = fopen(fn, mode)))
		return false;

	for(b = 0; b < bytes; b++) {
#if !defined _MSC_VER && !defined __MINGW32__
		FLAC__byte x = (FLAC__byte)(((unsigned)random()) & 0xff);
#else
		FLAC__byte x = (FLAC__byte)(((unsigned)rand()) & 0xff);
#endif
		if(fwrite(&x, sizeof(x), 1, f) < 1)
			goto foo;
	}

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

static FLAC__bool generate_aiff(const char *filename, unsigned sample_rate, unsigned channels, unsigned bytes_per_sample, unsigned samples)
{
	const unsigned true_size = channels * bytes_per_sample * samples;
	const unsigned padded_size = (true_size + 1) & (~1u);
	FILE *f;
	unsigned i;

	if(0 == (f = fopen(filename, mode)))
		return false;
	if(fwrite("FORM", 1, 4, f) < 4)
		goto foo;
	if(!write_big_endian_uint32(f, padded_size + 46))
		goto foo;
	if(fwrite("AIFFCOMM\000\000\000\022", 1, 12, f) < 12)
		goto foo;
	if(!write_big_endian_uint16(f, (FLAC__uint16)channels))
		goto foo;
	if(!write_big_endian_uint32(f, samples))
		goto foo;
	if(!write_big_endian_uint16(f, (FLAC__uint16)(8 * bytes_per_sample)))
		goto foo;
	if(!write_sane_extended(f, sample_rate))
		goto foo;
	if(fwrite("SSND", 1, 4, f) < 4)
		goto foo;
	if(!write_big_endian_uint32(f, true_size + 8))
		goto foo;
	if(fwrite("\000\000\000\000\000\000\000\000", 1, 8, f) < 8)
		goto foo;

	for(i = 0; i < true_size; i++)
		if(fputc(i, f) == EOF)
			goto foo;
	for( ; i < padded_size; i++)
		if(fputc(0, f) == EOF)
			goto foo;

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

static FLAC__bool generate_wav(const char *filename, unsigned sample_rate, unsigned channels, unsigned bytes_per_sample, unsigned samples)
{
	const unsigned true_size = channels * bytes_per_sample * samples;
	const unsigned padded_size = (true_size + 1) & (~1u);
	FILE *f;
	unsigned i;

	if(0 == (f = fopen(filename, mode)))
		return false;
	if(fwrite("RIFF", 1, 4, f) < 4)
		goto foo;
	if(!write_little_endian_uint32(f, padded_size + 36))
		goto foo;
	if(fwrite("WAVEfmt \020\000\000\000\001\000", 1, 14, f) < 14)
		goto foo;
	if(!write_little_endian_uint16(f, (FLAC__uint16)channels))
		goto foo;
	if(!write_little_endian_uint32(f, sample_rate))
		goto foo;
	if(!write_little_endian_uint32(f, sample_rate * channels * bytes_per_sample))
		goto foo;
	if(!write_little_endian_uint16(f, (FLAC__uint16)(channels * bytes_per_sample))) /* block align */
		goto foo;
	if(!write_little_endian_uint16(f, (FLAC__uint16)(8 * bytes_per_sample)))
		goto foo;
	if(fwrite("data", 1, 4, f) < 4)
		goto foo;
	if(!write_little_endian_uint32(f, true_size))
		goto foo;

	for(i = 0; i < true_size; i++)
		if(fputc(i, f) == EOF)
			goto foo;
	for( ; i < padded_size; i++)
		if(fputc(0, f) == EOF)
			goto foo;

	fclose(f);
	return true;
foo:
	fclose(f);
	return false;
}

static FLAC__bool generate_wackywavs()
{
	FILE *f;
	FLAC__byte wav[] = {
		'R', 'I', 'F', 'F',  76,   0,   0,   0,
		'W', 'A', 'V', 'E', 'f', 'a', 'c', 't',
		  4,   0,   0,  0 , 'b', 'l', 'a', 'h',
		'p', 'a', 'd', ' ',   4,   0,   0,   0,
		'B', 'L', 'A', 'H', 'f', 'm', 't', ' ',
		 16,   0,   0,   0,   1,   0,   1,   0,
		0x44,0xAC,  0,   0,   0,   0,   0,   0,
		  2,   0,  16,   0, 'd', 'a', 't', 'a',
		 16,   0,   0,   0,   0,   0,   1,   0,
		  4,   0,   9,   0,  16,   0,  25,   0,
		 36,   0,  49,   0, 'p', 'a', 'd', ' ',
		  4,   0,   0,   0, 'b', 'l', 'a', 'h'
	};

	if(0 == (f = fopen("wacky1.wav", mode)))
		return false;
	if(fwrite(wav, 1, 84, f) < 84)
		goto foo;
	fclose(f);

	wav[4] += 12;
	if(0 == (f = fopen("wacky2.wav", mode)))
		return false;
	if(fwrite(wav, 1, 96, f) < 96)
		goto foo;
	fclose(f);

	return true;
foo:
	fclose(f);
	return false;
}

int main(int argc, char *argv[])
{
	FLAC__uint32 test = 1;
	unsigned channels;

	int pattern01[] = { 1, -1, 0 };
	int pattern02[] = { 1, 1, -1, 0 };
	int pattern03[] = { 1, -1, -1, 0 };
	int pattern04[] = { 1, -1, 1, -1, 0 };
	int pattern05[] = { 1, -1, -1, 1, 0 };
	int pattern06[] = { 1, -1, 1, 1, -1, 0 };
	int pattern07[] = { 1, -1, -1, 1, -1, 0 };

	(void)argc;
	(void)argv;
	is_big_endian_host = (*((FLAC__byte*)(&test)))? false : true;

	if(!generate_01()) return 1;
	if(!generate_02()) return 1;
	if(!generate_03()) return 1;
	if(!generate_04()) return 1;

	if(!generate_fsd8("fsd8-01.raw", pattern01, 100)) return 1;
	if(!generate_fsd8("fsd8-02.raw", pattern02, 100)) return 1;
	if(!generate_fsd8("fsd8-03.raw", pattern03, 100)) return 1;
	if(!generate_fsd8("fsd8-04.raw", pattern04, 100)) return 1;
	if(!generate_fsd8("fsd8-05.raw", pattern05, 100)) return 1;
	if(!generate_fsd8("fsd8-06.raw", pattern06, 100)) return 1;
	if(!generate_fsd8("fsd8-07.raw", pattern07, 100)) return 1;

	if(!generate_fsd16("fsd16-01.raw", pattern01, 100)) return 1;
	if(!generate_fsd16("fsd16-02.raw", pattern02, 100)) return 1;
	if(!generate_fsd16("fsd16-03.raw", pattern03, 100)) return 1;
	if(!generate_fsd16("fsd16-04.raw", pattern04, 100)) return 1;
	if(!generate_fsd16("fsd16-05.raw", pattern05, 100)) return 1;
	if(!generate_fsd16("fsd16-06.raw", pattern06, 100)) return 1;
	if(!generate_fsd16("fsd16-07.raw", pattern07, 100)) return 1;

	if(!generate_fsd24("fsd24-01.raw", pattern01, 100)) return 1;
	if(!generate_fsd24("fsd24-02.raw", pattern02, 100)) return 1;
	if(!generate_fsd24("fsd24-03.raw", pattern03, 100)) return 1;
	if(!generate_fsd24("fsd24-04.raw", pattern04, 100)) return 1;
	if(!generate_fsd24("fsd24-05.raw", pattern05, 100)) return 1;
	if(!generate_fsd24("fsd24-06.raw", pattern06, 100)) return 1;
	if(!generate_fsd24("fsd24-07.raw", pattern07, 100)) return 1;

	if(!generate_wbps16("wbps16-01.raw", 1000)) return 1;

	if(!generate_sine8_1("sine8-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1;
	if(!generate_sine8_1("sine8-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1;
	if(!generate_sine8_1("sine8-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1;
	if(!generate_sine8_1("sine8-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1;
	if(!generate_sine8_1("sine8-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1;

	if(!generate_sine8_2("sine8-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1;
	if(!generate_sine8_2("sine8-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1;
	if(!generate_sine8_2("sine8-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1;
	if(!generate_sine8_2("sine8-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1;
	if(!generate_sine8_2("sine8-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1;
	if(!generate_sine8_2("sine8-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1;
	if(!generate_sine8_2("sine8-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1;
	if(!generate_sine8_2("sine8-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1;
	if(!generate_sine8_2("sine8-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1;
	if(!generate_sine8_2("sine8-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1;

	if(!generate_sine16_1("sine16-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1;
	if(!generate_sine16_1("sine16-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1;
	if(!generate_sine16_1("sine16-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1;
	if(!generate_sine16_1("sine16-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1;
	if(!generate_sine16_1("sine16-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1;

	if(!generate_sine16_2("sine16-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1;
	if(!generate_sine16_2("sine16-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1;
	if(!generate_sine16_2("sine16-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1;
	if(!generate_sine16_2("sine16-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1;
	if(!generate_sine16_2("sine16-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1;
	if(!generate_sine16_2("sine16-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1;
	if(!generate_sine16_2("sine16-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1;
	if(!generate_sine16_2("sine16-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1;
	if(!generate_sine16_2("sine16-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1;
	if(!generate_sine16_2("sine16-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1;

	if(!generate_sine24_1("sine24-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1;
	if(!generate_sine24_1("sine24-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1;
	if(!generate_sine24_1("sine24-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1;
	if(!generate_sine24_1("sine24-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1;
	if(!generate_sine24_1("sine24-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1;

	if(!generate_sine24_2("sine24-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1;
	if(!generate_sine24_2("sine24-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1;
	if(!generate_sine24_2("sine24-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1;
	if(!generate_sine24_2("sine24-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1;
	if(!generate_sine24_2("sine24-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1;
	if(!generate_sine24_2("sine24-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1;
	if(!generate_sine24_2("sine24-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1;
	if(!generate_sine24_2("sine24-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1;
	if(!generate_sine24_2("sine24-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1;
	if(!generate_sine24_2("sine24-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1;

	if(!generate_noise("noise.raw", 65536 * 8 * 3)) return 1;
	if(!generate_noise("noise8m32.raw", 32)) return 1;
	if(!generate_wackywavs()) return 1;
	for(channels = 1; channels <= 8; channels++) {
		unsigned bytes_per_sample;
		for(bytes_per_sample = 1; bytes_per_sample <= 3; bytes_per_sample++) {
			static const unsigned nsamples[] = { 1, 111, 5555 } ;
			unsigned samples;
			for(samples = 0; samples < sizeof(nsamples)/sizeof(nsamples[0]); samples++) {
				char fn[64];

				sprintf(fn, "rt-%u-%u-%u.aiff", channels, bytes_per_sample, nsamples[samples]);
				if(!generate_aiff(fn, 44100, channels, bytes_per_sample, nsamples[samples]))
					return 1;

				sprintf(fn, "rt-%u-%u-%u.raw", channels, bytes_per_sample, nsamples[samples]);
				if(!generate_noise(fn, channels * bytes_per_sample * nsamples[samples]))
					return 1;

				sprintf(fn, "rt-%u-%u-%u.wav", channels, bytes_per_sample, nsamples[samples]);
				if(!generate_wav(fn, 44100, channels, bytes_per_sample, nsamples[samples]))
					return 1;
			}
		}
	}

	return 0;
}