diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/wma_common.c | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/wma_common.c')
| -rw-r--r-- | ffmpeg1/libavcodec/wma_common.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/ffmpeg1/libavcodec/wma_common.c b/ffmpeg1/libavcodec/wma_common.c deleted file mode 100644 index d1d8045..0000000 --- a/ffmpeg1/libavcodec/wma_common.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * common code shared by all WMA variants - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "wma_common.h" - -/** - *@brief Get the samples per frame for this stream. - *@param sample_rate output sample_rate - *@param version wma version - *@param decode_flags codec compression features - *@return log2 of the number of output samples per frame - */ -av_cold int ff_wma_get_frame_len_bits(int sample_rate, int version, - unsigned int decode_flags) -{ - - int frame_len_bits; - - if (sample_rate <= 16000) { - frame_len_bits = 9; - } else if (sample_rate <= 22050 || - (sample_rate <= 32000 && version == 1)) { - frame_len_bits = 10; - } else if (sample_rate <= 48000 || version < 3) { - frame_len_bits = 11; - } else if (sample_rate <= 96000) { - frame_len_bits = 12; - } else { - frame_len_bits = 13; - } - - if (version == 3) { - int tmp = decode_flags & 0x6; - if (tmp == 0x2) { - ++frame_len_bits; - } else if (tmp == 0x4) { - --frame_len_bits; - } else if (tmp == 0x6) { - frame_len_bits -= 2; - } - } - - return frame_len_bits; -} |
