bitbuffer.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("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1)+2);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 4) {
		printf("FAILED bit count %u != 4\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs-1] != 0x8a || bb->buffer[bb->blurbs] != 0x0a) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_seventeen)... ");
	(void)FLAC__bitbuffer_write_raw_uint32(bb_one, 0x155, 9);
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_one);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)+4) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1)+4);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 5) {
		printf("FAILED bit count %u != 5\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs-3] != 0x8a || bb->buffer[bb->blurbs-2] != 0xaa || bb->buffer[bb->blurbs-1] != 0xaa || bb->buffer[bb->blurbs] != 0x15) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing utf8_uint32(0x00000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00000000);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x0000007F)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x0000007F);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0x7F;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00000080)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00000080);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xC2 && bb->buffer[1] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x000007FF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x000007FF);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xDF && bb->buffer[1] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00000800)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00000800);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xE0 && bb->buffer[1] == 0xA0 && bb->buffer[2] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x0000FFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x0000FFFF);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xEF && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00010000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00010000);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF0 && bb->buffer[1] == 0x90 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x001FFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x001FFFFF);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF7 && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00200000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00200000);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xF8 && bb->buffer[1] == 0x88 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x03FFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x03FFFFFF);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xFB && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x04000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x04000000);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFC && bb->buffer[1] == 0x84 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80 && bb->buffer[5] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x7FFFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x7FFFFFFF);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFD && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF && bb->buffer[5] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000000000);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x000000000000007F)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x000000000000007F);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0x7F;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000000080)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000000080);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xC2 && bb->buffer[1] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x00000000000007FF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x00000000000007FF);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xDF && bb->buffer[1] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000000800)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000000800);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xE0 && bb->buffer[1] == 0xA0 && bb->buffer[2] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x000000000000FFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x000000000000FFFF);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xEF && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000010000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000010000);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF0 && bb->buffer[1] == 0x90 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x00000000001FFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x00000000001FFFFF);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF7 && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000200000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000200000);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xF8 && bb->buffer[1] == 0x88 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000003FFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000003FFFFFF);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xFB && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000004000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000004000000);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFC && bb->buffer[1] == 0x84 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80 && bb->buffer[5] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x000000007FFFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x000000007FFFFFFF);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFD && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF && bb->buffer[5] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000080000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000080000000);
	ok = bb->total_bits == 56 && bb->buffer[0] == 0xFE && bb->buffer[1] == 0x82 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80 && bb->buffer[5] == 0x80 && bb->buffer[6] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000FFFFFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, FLAC__U64L(0x0000000FFFFFFFFF));
	ok = bb->total_bits == 56 && bb->buffer[0] == 0xFE && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF && bb->buffer[5] == 0xBF && bb->buffer[6] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing grow... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_raw_uint32(bb, 0xa, 4);
	j = bb->capacity;
	for(i = 0; i < j; i++)
		FLAC__bitbuffer_write_raw_uint32(bb, 0xaa, 8);
	ok = bb->total_bits = i*8+4 && bb->buffer[0] == 0xaa && bb->buffer[i] == 0xa;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("capacity = %u\n", bb->capacity);

	printf("testing clone... ");
	ok = FLAC__bitbuffer_clone(bbcopy, bb);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(bb->blurbs != bbcopy->blurbs) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, bbcopy->blurbs);
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(bb->bits != bbcopy->bits) {
		printf("FAILED bit count %u != %u\n", bb->bits, bbcopy->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(bb->total_bits != bbcopy->total_bits) {
		printf("FAILED total_bits count %u != %u\n", bb->total_bits, bbcopy->total_bits);
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(memcmp(bb->buffer, bbcopy->buffer, sizeof(FLAC__byte)*bb->capacity) != 0) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	printf("OK\n");

	printf("testing free... ");
	FLAC__bitbuffer_free(bb);
	FLAC__bitbuffer_free(bbcopy);
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitbuffer_delete(bb);
	FLAC__bitbuffer_delete(bb_zero);
	FLAC__bitbuffer_delete(bb_one);
	FLAC__bitbuffer_delete(bbcopy);
	printf("OK\n");

	printf("\nPASSED!\n");
	return true;
}