diff options
Diffstat (limited to 'drivers/opus/opus_multistream.c')
-rw-r--r-- | drivers/opus/opus_multistream.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/drivers/opus/opus_multistream.c b/drivers/opus/opus_multistream.c deleted file mode 100644 index aa94803779..0000000000 --- a/drivers/opus/opus_multistream.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (c) 2011 Xiph.Org Foundation - Written by Jean-Marc Valin */ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -#include "opus/opus_config.h" - -#include "opus/opus_multistream.h" -#include "opus/opus.h" -#include "opus/opus_private.h" -#include "opus/celt/stack_alloc.h" -#include <stdarg.h> -#include "opus/celt/float_cast.h" -#include "opus/celt/os_support.h" - - -int validate_layout(const ChannelLayout *layout) -{ - int i, max_channel; - - max_channel = layout->nb_streams+layout->nb_coupled_streams; - if (max_channel>255) - return 0; - for (i=0;i<layout->nb_channels;i++) - { - if (layout->mapping[i] >= max_channel && layout->mapping[i] != 255) - return 0; - } - return 1; -} - - -int get_left_channel(const ChannelLayout *layout, int stream_id, int prev) -{ - int i; - i = (prev<0) ? 0 : prev+1; - for (;i<layout->nb_channels;i++) - { - if (layout->mapping[i]==stream_id*2) - return i; - } - return -1; -} - -int get_right_channel(const ChannelLayout *layout, int stream_id, int prev) -{ - int i; - i = (prev<0) ? 0 : prev+1; - for (;i<layout->nb_channels;i++) - { - if (layout->mapping[i]==stream_id*2+1) - return i; - } - return -1; -} - -int get_mono_channel(const ChannelLayout *layout, int stream_id, int prev) -{ - int i; - i = (prev<0) ? 0 : prev+1; - for (;i<layout->nb_channels;i++) - { - if (layout->mapping[i]==stream_id+layout->nb_coupled_streams) - return i; - } - return -1; -} - |