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Diffstat (limited to '')
-rw-r--r-- | src/decoder/flac_pcm.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/src/decoder/flac_pcm.c b/src/decoder/flac_pcm.c deleted file mode 100644 index 6964d8ac6..000000000 --- a/src/decoder/flac_pcm.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "flac_pcm.h" - -#include <assert.h> - -static void flac_convert_stereo16(int16_t *dest, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - for (; position < end; ++position) { - *dest++ = buf[0][position]; - *dest++ = buf[1][position]; - } -} - -static void -flac_convert_16(int16_t *dest, - unsigned int num_channels, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - unsigned int c_chan; - - for (; position < end; ++position) - for (c_chan = 0; c_chan < num_channels; c_chan++) - *dest++ = buf[c_chan][position]; -} - -/** - * Note: this function also handles 24 bit files! - */ -static void -flac_convert_32(int32_t *dest, - unsigned int num_channels, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - unsigned int c_chan; - - for (; position < end; ++position) - for (c_chan = 0; c_chan < num_channels; c_chan++) - *dest++ = buf[c_chan][position]; -} - -static void -flac_convert_8(int8_t *dest, - unsigned int num_channels, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - unsigned int c_chan; - - for (; position < end; ++position) - for (c_chan = 0; c_chan < num_channels; c_chan++) - *dest++ = buf[c_chan][position]; -} - -void -flac_convert(void *dest, - unsigned int num_channels, enum sample_format sample_format, - const FLAC__int32 *const buf[], - unsigned int position, unsigned int end) -{ - switch (sample_format) { - case SAMPLE_FORMAT_S16: - if (num_channels == 2) - flac_convert_stereo16((int16_t*)dest, buf, - position, end); - else - flac_convert_16((int16_t*)dest, num_channels, buf, - position, end); - break; - - case SAMPLE_FORMAT_S24_P32: - case SAMPLE_FORMAT_S32: - flac_convert_32((int32_t*)dest, num_channels, buf, - position, end); - break; - - case SAMPLE_FORMAT_S8: - flac_convert_8((int8_t*)dest, num_channels, buf, - position, end); - break; - - case SAMPLE_FORMAT_FLOAT: - case SAMPLE_FORMAT_DSD: - case SAMPLE_FORMAT_UNDEFINED: - /* unreachable */ - assert(false); - } -} |