xref: /third_party/libsnd/src/sndfile.c

1073 			memcpy (data, &psf->sf, sizeof (SF_INFO)) ;
1102 			{	int format = SF_CONTAINER (psf->sf.format) ;
1117 				format = SF_CODEC (psf->sf.format) ;
1138 			{	psf->peak_info = peak_info_calloc (psf->sf.channels) ;
1169 			if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
1174 			if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
1186 			if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
1244 				psf->sf.frames = position ;
1256 			if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_RAW)
1274 			if ((SF_CODEC (psf->sf.format)) == SF_FORMAT_FLOAT)
1276 			else if ((SF_CODEC (psf->sf.format)) == SF_FORMAT_DOUBLE)
1301 			{	int format = SF_CONTAINER (psf->sf.format) ;
1332 			{	int format = SF_CONTAINER (psf->sf.format) ;
1430 			if (data == NULL || datasize != SIGNED_SIZEOF (psf->channel_map [0]) * psf->sf.channels)
1443 			if (data == NULL || datasize != SIGNED_SIZEOF (psf->channel_map [0]) * psf->sf.channels)
1450 				for (iptr = data ; iptr < (int*) data + psf->sf.channels ; iptr++)
1511 	if (! psf->sf.seekable)
1569 				seek_from_start = psf->sf.frames + offset ;
1586 	else if (seek_from_start < 0 || seek_from_start > psf->sf.frames)
1657 		return psf->sf.samplerate * psf->sf.channels * psf->bytewidth ;
1662 	switch (SF_CODEC (psf->sf.format))
1666 			return (psf->sf.samplerate * psf->sf.channels) / 2 ;
1669 			return (psf->sf.samplerate * psf->sf.channels * 13000) / 8000 ;
1672 			return psf->sf.samplerate / 4 + 10 ;
1675 			return psf->sf.samplerate * 3 / 8 + 10 ;
1678 			return psf->sf.samplerate / 2 + 10 ;
1681 			return (psf->sf.samplerate * psf->sf.channels) / 2 ;
1684 			return (psf->sf.samplerate * psf->sf.channels * 3) / 8 ;
1687 			return (psf->sf.samplerate * psf->sf.channels * 5) / 8 ;
1718 	if (bytes < 0 || psf->read_current >= psf->sf.frames)
1723 	if (bytes % (psf->sf.channels * bytewidth))
1734 	if (psf->read_current + count / blockwidth <= psf->sf.frames)
1737 	{	count = (psf->sf.frames - psf->read_current) * blockwidth ;
1740 		psf->read_current = psf->sf.frames ;
1771 	if (len % psf->sf.channels)
1776 	if (psf->read_current >= psf->sf.frames)
1792 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
1793 		psf->read_current += count / psf->sf.channels ;
1795 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1798 		psf->read_current = psf->sf.frames ;
1826 	if (psf->read_current >= psf->sf.frames)
1827 	{	psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (short)) ;
1840 	count = psf->read_short (psf, ptr, frames * psf->sf.channels) ;
1842 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
1843 		psf->read_current += count / psf->sf.channels ;
1845 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1846 		extra = frames * psf->sf.channels - count ;
1848 		psf->read_current = psf->sf.frames ;
1853 	return count / psf->sf.channels ;
1879 	if (len % psf->sf.channels)
1884 	if (psf->read_current >= psf->sf.frames)
1900 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
1901 		psf->read_current += count / psf->sf.channels ;
1903 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1906 		psf->read_current = psf->sf.frames ;
1934 	if (psf->read_current >= psf->sf.frames)
1935 	{	psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (int)) ;
1948 	count = psf->read_int (psf, ptr, frames * psf->sf.channels) ;
1950 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
1951 		psf->read_current += count / psf->sf.channels ;
1953 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1954 		extra = frames * psf->sf.channels - count ;
1956 		psf->read_current = psf->sf.frames ;
1961 	return count / psf->sf.channels ;
1987 	if (len % psf->sf.channels)
1992 	if (psf->read_current >= psf->sf.frames)
2008 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
2009 		psf->read_current += count / psf->sf.channels ;
2011 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
2014 		psf->read_current = psf->sf.frames ;
2042 	if (psf->read_current >= psf->sf.frames)
2043 	{	psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (float)) ;
2056 	count = psf->read_float (psf, ptr, frames * psf->sf.channels) ;
2058 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
2059 		psf->read_current += count / psf->sf.channels ;
2061 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
2062 		extra = frames * psf->sf.channels - count ;
2064 		psf->read_current = psf->sf.frames ;
2069 	return count / psf->sf.channels ;
2095 	if (len % psf->sf.channels)
2100 	if (psf->read_current >= psf->sf.frames)
2116 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
2117 		psf->read_current += count / psf->sf.channels ;
2119 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
2122 		psf->read_current = psf->sf.frames ;
2150 	if (psf->read_current >= psf->sf.frames)
2151 	{	psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (double)) ;
2164 	count = psf->read_double (psf, ptr, frames * psf->sf.channels) ;
2166 	if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
2167 		psf->read_current += count / psf->sf.channels ;
2169 	{	count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
2170 		extra = frames * psf->sf.channels - count ;
2172 		psf->read_current = psf->sf.frames ;
2177 	return count / psf->sf.channels ;
2207 	if (len % (psf->sf.channels * bytewidth))
2228 	if (psf->write_current > psf->sf.frames)
2229 	{	psf->sf.frames = psf->write_current ;
2262 	if (len % psf->sf.channels)
2284 	psf->write_current += count / psf->sf.channels ;
2288 	if (psf->write_current > psf->sf.frames)
2289 	{	psf->sf.frames = psf->write_current ;
2334 	count = psf->write_short (psf, ptr, frames * psf->sf.channels) ;
2336 	psf->write_current += count / psf->sf.channels ;
2340 	if (psf->write_current > psf->sf.frames)
2341 	{	psf->sf.frames = psf->write_current ;
2348 	return count / psf->sf.channels ;
2374 	if (len % psf->sf.channels)
2396 	psf->write_current += count / psf->sf.channels ;
2400 	if (psf->write_current > psf->sf.frames)
2401 	{	psf->sf.frames = psf->write_current ;
2446 	count = psf->write_int (psf, ptr, frames * psf->sf.channels) ;
2448 	psf->write_current += count / psf->sf.channels ;
2452 	if (psf->write_current > psf->sf.frames)
2453 	{	psf->sf.frames = psf->write_current ;
2460 	return count / psf->sf.channels ;
2486 	if (len % psf->sf.channels)
2508 	psf->write_current += count / psf->sf.channels ;
2512 	if (psf->write_current > psf->sf.frames)
2513 	{	psf->sf.frames = psf->write_current ;
2558 	count = psf->write_float (psf, ptr, frames * psf->sf.channels) ;
2560 	psf->write_current += count / psf->sf.channels ;
2564 	if (psf->write_current > psf->sf.frames)
2565 	{	psf->sf.frames = psf->write_current ;
2572 	return count / psf->sf.channels ;
2598 	if (len % psf->sf.channels)
2620 	psf->write_current += count / psf->sf.channels ;
2624 	if (psf->write_current > psf->sf.frames)
2625 	{	psf->sf.frames = psf->write_current ;
2670 	count = psf->write_double (psf, ptr, frames * psf->sf.channels) ;
2672 	psf->write_current += count / psf->sf.channels ;
2676 	if (psf->write_current > psf->sf.frames)
2677 	{	psf->sf.frames = psf->write_current ;
2684 	return count / psf->sf.channels ;
2734 	{	psf->sf.channels = 1 ;
2735 		psf->sf.samplerate = 8000 ;
2739 	{	psf->sf.channels = 1 ;
2740 		psf->sf.samplerate = 8000 ;
2745 	{	psf->sf.channels = 1 ;
2746 		psf->sf.samplerate = 8000 ;
2750 	{	psf->sf.channels = 1 ;
2751 		psf->sf.samplerate = 6000 ;
2755 	{	psf->sf.channels = 1 ;
2756 		psf->sf.samplerate = 8000 ;
2951 	if (psf->blockwidth && psf->blockwidth != psf->sf.channels * psf->bytewidth)
2953 								psf->sf.channels * psf->bytewidth) ;
3045 	memcpy (&psf->sf, sfinfo, sizeof (SF_INFO)) ;
3063 	psf->sf.sections = 1 ;
3068 	{	psf->sf.seekable = SF_FALSE ;
3072 	{	psf->sf.seekable = SF_TRUE ;
3111 		if ((SF_CONTAINER (psf->sf.format)) == 0)
3115 		if ((SF_CODEC (psf->sf.format)) == 0)
3120 		if (sf_format_check (&psf->sf) == 0)
3125 	else if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_RAW)
3127 		psf->sf.format = guess_file_type (psf) ;
3129 		if (psf->sf.format == 0)
3130 			psf->sf.format = format_from_extension (psf) ;
3137 	switch (SF_CODEC (psf->sf.format))
3166 	switch (SF_CONTAINER (psf->sf.format))
3291 	format = SF_CONTAINER (psf->sf.format) ;
3315 	if (psf->file.mode == SFM_RDWR && sf_format_check (&psf->sf) == 0)
3320 	if (validate_sfinfo (&psf->sf) == 0)
3336 	{	psf->write_current = psf->sf.frames ;
3337 		psf->have_written = psf->sf.frames > 0 ? SF_TRUE : SF_FALSE ;
3340 	memcpy (sfinfo, &psf->sf, sizeof (SF_INFO)) ;

Indexes created Thu Nov 07 10:32:03 CST 2024