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libsoundio/src/channel_layout.c

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/*
* Copyright (c) 2015 Andrew Kelley
*
* This file is part of libsoundio, which is MIT licensed.
* See http://opensource.org/licenses/MIT
*/
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
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#include "soundio_private.h"
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#include <stdio.h>
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static struct SoundIoChannelLayout *make_builtin_channel_layouts()
{
static struct SoundIoChannelLayout layouts[SoundIoChannelLayoutIdMax];
layouts[SoundIoChannelLayoutIdMono] = {
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"Mono",
1,
{
SoundIoChannelIdFrontCenter,
},
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};
layouts[SoundIoChannelLayoutIdStereo] = {
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"Stereo",
2,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
},
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};
layouts[SoundIoChannelLayoutId2Point1] = {
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"2.1",
3,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
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SoundIoChannelIdLfe,
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},
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};
layouts[SoundIoChannelLayoutId3Point0] = {
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"3.0",
3,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
}
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};
layouts[SoundIoChannelLayoutId3Point0Back] = {
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"3.0 (back)",
3,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdBackCenter,
}
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};
layouts[SoundIoChannelLayoutId3Point1] = {
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"3.1",
4,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
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SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId4Point0] = {
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"4.0",
4,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdBackCenter,
}
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};
layouts[SoundIoChannelLayoutIdQuad] = {
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"Quad",
4,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
},
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};
layouts[SoundIoChannelLayoutIdQuadSide] = {
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"Quad (side)",
4,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
}
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};
layouts[SoundIoChannelLayoutId4Point1] = {
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"4.1",
5,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdBackCenter,
SoundIoChannelIdLfe,
}
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};
layouts[SoundIoChannelLayoutId5Point0Back] = {
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"5.0 (back)",
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5,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
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SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
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}
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};
layouts[SoundIoChannelLayoutId5Point0Side] = {
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"5.0 (side)",
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5,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
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SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
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}
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};
layouts[SoundIoChannelLayoutId5Point1] = {
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"5.1",
6,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
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SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId5Point1Back] = {
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"5.1 (back)",
6,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
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SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId6Point0Side] = {
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"6.0 (side)",
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6,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
SoundIoChannelIdBackCenter,
}
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};
layouts[SoundIoChannelLayoutId6Point0Front] = {
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"6.0 (front)",
6,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
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SoundIoChannelIdFrontLeftCenter,
SoundIoChannelIdFrontRightCenter,
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}
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};
layouts[SoundIoChannelLayoutIdHexagonal] = {
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"Hexagonal",
6,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
SoundIoChannelIdBackCenter,
}
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};
layouts[SoundIoChannelLayoutId6Point1] = {
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"6.1",
7,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
SoundIoChannelIdBackCenter,
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SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId6Point1Back] = {
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"6.1 (back)",
7,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
SoundIoChannelIdBackCenter,
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SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId6Point1Front] = {
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"6.1 (front)",
7,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
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SoundIoChannelIdFrontLeftCenter,
SoundIoChannelIdFrontRightCenter,
SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId7Point0] = {
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"7.0",
7,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
}
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};
layouts[SoundIoChannelLayoutId7Point0Front] = {
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"7.0 (front)",
7,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
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SoundIoChannelIdFrontLeftCenter,
SoundIoChannelIdFrontRightCenter,
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}
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};
layouts[SoundIoChannelLayoutId7Point1] = {
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"7.1",
8,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
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SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId7Point1Wide] = {
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"7.1 (wide)",
8,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
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SoundIoChannelIdFrontLeftCenter,
SoundIoChannelIdFrontRightCenter,
SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutId7Point1WideBack] = {
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"7.1 (wide) (back)",
8,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
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SoundIoChannelIdFrontLeftCenter,
SoundIoChannelIdFrontRightCenter,
SoundIoChannelIdLfe,
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}
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};
layouts[SoundIoChannelLayoutIdOctagonal] = {
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"Octagonal",
8,
{
SoundIoChannelIdFrontLeft,
SoundIoChannelIdFrontRight,
SoundIoChannelIdFrontCenter,
SoundIoChannelIdSideLeft,
SoundIoChannelIdSideRight,
SoundIoChannelIdBackLeft,
SoundIoChannelIdBackRight,
SoundIoChannelIdBackCenter,
}
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};
return &layouts[0];
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};
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static struct SoundIoChannelLayout *builtin_channel_layouts = make_builtin_channel_layouts();
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convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
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#define CHANNEL_NAME_ALIAS_COUNT 3
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typedef const char *channel_names_t[CHANNEL_NAME_ALIAS_COUNT];
static channel_names_t *make_channel_names()
{
static channel_names_t names[SoundIoChannelIdMax];
names[SoundIoChannelIdInvalid][0] = "(Invalid Channel)";
names[SoundIoChannelIdInvalid][1] = NULL;
names[SoundIoChannelIdInvalid][2] = NULL;
names[SoundIoChannelIdFrontLeft][0] = "Front Left";
names[SoundIoChannelIdFrontLeft][1] = "FL";
names[SoundIoChannelIdFrontLeft][2] = "front-left";
names[SoundIoChannelIdFrontRight][0] = "Front Right";
names[SoundIoChannelIdFrontRight][1] = "FR";
names[SoundIoChannelIdFrontRight][2] = "front-right";
names[SoundIoChannelIdFrontCenter][0] = "Front Center";
names[SoundIoChannelIdFrontCenter][1] = "FC";
names[SoundIoChannelIdFrontCenter][2] = "front-center";
names[SoundIoChannelIdLfe][0] = "LFE";
names[SoundIoChannelIdLfe][1] = "LFE";
names[SoundIoChannelIdLfe][2] = "lfe";
names[SoundIoChannelIdBackLeft][0] = "Back Left";
names[SoundIoChannelIdBackLeft][1] = "BL";
names[SoundIoChannelIdBackLeft][2] = "rear-left";
names[SoundIoChannelIdBackRight][0] = "Back Right";
names[SoundIoChannelIdBackRight][1] = "BR";
names[SoundIoChannelIdBackRight][2] = "rear-right";
names[SoundIoChannelIdFrontLeftCenter][0] = "Front Left Center";
names[SoundIoChannelIdFrontLeftCenter][1] = "FLC";
names[SoundIoChannelIdFrontLeftCenter][2] = "front-left-of-center";
names[SoundIoChannelIdFrontRightCenter][0] = "Front Right Center";
names[SoundIoChannelIdFrontRightCenter][1] = "FRC";
names[SoundIoChannelIdFrontRightCenter][2] = "front-right-of-center";
names[SoundIoChannelIdBackCenter][0] = "Back Center";
names[SoundIoChannelIdBackCenter][1] = "BC";
names[SoundIoChannelIdBackCenter][2] = "rear-center";
names[SoundIoChannelIdSideLeft][0] = "Side Left";
names[SoundIoChannelIdSideLeft][1] = "SL";
names[SoundIoChannelIdSideLeft][2] = "side-left";
names[SoundIoChannelIdSideRight][0] = "Side Right";
names[SoundIoChannelIdSideRight][1] = "SR";
names[SoundIoChannelIdSideRight][2] = "side-right";
names[SoundIoChannelIdTopCenter][0] = "Top Center";
names[SoundIoChannelIdTopCenter][1] = "TC";
names[SoundIoChannelIdTopCenter][2] = "top-center";
names[SoundIoChannelIdTopFrontLeft][0] = "Top Front Left";
names[SoundIoChannelIdTopFrontLeft][1] = "TFL";
names[SoundIoChannelIdTopFrontLeft][2] = "top-front-left";
names[SoundIoChannelIdTopFrontCenter][0] = "Top Front Center";
names[SoundIoChannelIdTopFrontCenter][1] = "TFC";
names[SoundIoChannelIdTopFrontCenter][2] = "top-front-center";
names[SoundIoChannelIdTopFrontRight][0] = "Top Front Right";
names[SoundIoChannelIdTopFrontRight][1] = "TFR";
names[SoundIoChannelIdTopFrontRight][2] = "top-front-right";
names[SoundIoChannelIdTopBackLeft][0] = "Top Back Left";
names[SoundIoChannelIdTopBackLeft][1] = "TBL";
names[SoundIoChannelIdTopBackLeft][2] = "top-rear-left";
names[SoundIoChannelIdTopBackCenter][0] = "Top Back Center";
names[SoundIoChannelIdTopBackCenter][1] = "TBC";
names[SoundIoChannelIdTopBackCenter][2] = "top-rear-center";
names[SoundIoChannelIdTopBackRight][0] = "Top Back Right";
names[SoundIoChannelIdTopBackRight][1] = "TBR";
names[SoundIoChannelIdTopBackRight][2] = "top-rear-right";
names[SoundIoChannelIdBackLeftCenter][0] = "Back Left Center";
names[SoundIoChannelIdBackLeftCenter][1] = NULL;
names[SoundIoChannelIdBackLeftCenter][2] = NULL;
names[SoundIoChannelIdBackRightCenter][0] = "Back Right Center";
names[SoundIoChannelIdBackRightCenter][1] = NULL;
names[SoundIoChannelIdBackRightCenter][2] = NULL;
names[SoundIoChannelIdFrontLeftWide][0] = "Front Left Wide";
names[SoundIoChannelIdFrontLeftWide][1] = NULL;
names[SoundIoChannelIdFrontLeftWide][2] = NULL;
names[SoundIoChannelIdFrontRightWide][0] = "Front Right Wide";
names[SoundIoChannelIdFrontRightWide][1] = NULL;
names[SoundIoChannelIdFrontRightWide][2] = NULL;
names[SoundIoChannelIdFrontLeftHigh][0] = "Front Left High";
names[SoundIoChannelIdFrontLeftHigh][1] = NULL;
names[SoundIoChannelIdFrontLeftHigh][2] = NULL;
names[SoundIoChannelIdFrontCenterHigh][0] = "Front Center High";
names[SoundIoChannelIdFrontCenterHigh][1] = NULL;
names[SoundIoChannelIdFrontCenterHigh][2] = NULL;
names[SoundIoChannelIdFrontRightHigh][0] = "Front Right High";
names[SoundIoChannelIdFrontRightHigh][1] = NULL;
names[SoundIoChannelIdFrontRightHigh][2] = NULL;
names[SoundIoChannelIdTopFrontLeftCenter][0] = "Top Front Left Center";
names[SoundIoChannelIdTopFrontLeftCenter][1] = NULL;
names[SoundIoChannelIdTopFrontLeftCenter][2] = NULL;
names[SoundIoChannelIdTopFrontRightCenter][0] = "Top Front Right Center";
names[SoundIoChannelIdTopFrontRightCenter][1] = NULL;
names[SoundIoChannelIdTopFrontRightCenter][2] = NULL;
names[SoundIoChannelIdTopSideLeft][0] = "Top Side Left";
names[SoundIoChannelIdTopSideLeft][1] = NULL;
names[SoundIoChannelIdTopSideLeft][2] = NULL;
names[SoundIoChannelIdTopSideRight][0] = "Top Side Right";
names[SoundIoChannelIdTopSideRight][1] = NULL;
names[SoundIoChannelIdTopSideRight][2] = NULL;
names[SoundIoChannelIdLeftLfe][0] = "Left LFE";
names[SoundIoChannelIdLeftLfe][1] = NULL;
names[SoundIoChannelIdLeftLfe][2] = NULL;
names[SoundIoChannelIdRightLfe][0] = "Right LFE";
names[SoundIoChannelIdRightLfe][1] = NULL;
names[SoundIoChannelIdRightLfe][2] = NULL;
names[SoundIoChannelIdLfe2][0] = "LFE 2";
names[SoundIoChannelIdLfe2][1] = NULL;
names[SoundIoChannelIdLfe2][2] = NULL;
names[SoundIoChannelIdBottomCenter][0] = "Bottom Center";
names[SoundIoChannelIdBottomCenter][1] = NULL;
names[SoundIoChannelIdBottomCenter][2] = NULL;
names[SoundIoChannelIdBottomLeftCenter][0] = "Bottom Left Center";
names[SoundIoChannelIdBottomLeftCenter][1] = NULL;
names[SoundIoChannelIdBottomLeftCenter][2] = NULL;
names[SoundIoChannelIdBottomRightCenter][0] = "Bottom Right Center";
names[SoundIoChannelIdBottomRightCenter][1] = NULL;
names[SoundIoChannelIdBottomRightCenter][2] = NULL;
names[SoundIoChannelIdMsMid][0] = "Mid/Side Mid";
names[SoundIoChannelIdMsMid][1] = NULL;
names[SoundIoChannelIdMsMid][2] = NULL;
names[SoundIoChannelIdMsSide][0] = "Mid/Side Side";
names[SoundIoChannelIdMsSide][1] = NULL;
names[SoundIoChannelIdMsSide][2] = NULL;
names[SoundIoChannelIdAmbisonicW][0] = "Ambisonic W";
names[SoundIoChannelIdAmbisonicW][1] = NULL;
names[SoundIoChannelIdAmbisonicW][2] = NULL;
names[SoundIoChannelIdAmbisonicX][0] = "Ambisonic X";
names[SoundIoChannelIdAmbisonicX][1] = NULL;
names[SoundIoChannelIdAmbisonicX][2] = NULL;
names[SoundIoChannelIdAmbisonicY][0] = "Ambisonic Y";
names[SoundIoChannelIdAmbisonicY][1] = NULL;
names[SoundIoChannelIdAmbisonicY][2] = NULL;
names[SoundIoChannelIdAmbisonicZ][0] = "Ambisonic Z";
names[SoundIoChannelIdAmbisonicZ][1] = NULL;
names[SoundIoChannelIdAmbisonicZ][2] = NULL;
names[SoundIoChannelIdXyX][0] = "X-Y X";
names[SoundIoChannelIdXyX][1] = NULL;
names[SoundIoChannelIdXyX][2] = NULL;
names[SoundIoChannelIdXyY][0] = "X-Y Y";
names[SoundIoChannelIdXyY][1] = NULL;
names[SoundIoChannelIdXyY][2] = NULL;
names[SoundIoChannelIdHeadphonesLeft][0] = "Headphones Left";
names[SoundIoChannelIdHeadphonesLeft][1] = NULL;
names[SoundIoChannelIdHeadphonesLeft][2] = NULL;
names[SoundIoChannelIdHeadphonesRight][0] = "Headphones Right";
names[SoundIoChannelIdHeadphonesRight][1] = NULL;
names[SoundIoChannelIdHeadphonesRight][2] = NULL;
names[SoundIoChannelIdClickTrack][0] = "Click Track";
names[SoundIoChannelIdClickTrack][1] = NULL;
names[SoundIoChannelIdClickTrack][2] = NULL;
names[SoundIoChannelIdForeignLanguage][0] = "Foreign Language";
names[SoundIoChannelIdForeignLanguage][1] = NULL;
names[SoundIoChannelIdForeignLanguage][2] = NULL;
names[SoundIoChannelIdHearingImpaired][0] = "Hearing Impaired";
names[SoundIoChannelIdHearingImpaired][1] = NULL;
names[SoundIoChannelIdHearingImpaired][2] = NULL;
names[SoundIoChannelIdNarration][0] = "Narration";
names[SoundIoChannelIdNarration][1] = NULL;
names[SoundIoChannelIdNarration][2] = NULL;
names[SoundIoChannelIdHaptic][0] = "Haptic";
names[SoundIoChannelIdHaptic][1] = NULL;
names[SoundIoChannelIdHaptic][2] = NULL;
names[SoundIoChannelIdDialogCentricMix][0] = "Dialog Centric Mix";
names[SoundIoChannelIdDialogCentricMix][1] = NULL;
names[SoundIoChannelIdDialogCentricMix][2] = NULL;
names[SoundIoChannelIdAux][0] = "Aux";
names[SoundIoChannelIdAux][1] = NULL;
names[SoundIoChannelIdAux][2] = NULL;
names[SoundIoChannelIdAux0][0] = "Aux 0";
names[SoundIoChannelIdAux0][1] = NULL;
names[SoundIoChannelIdAux0][2] = NULL;
names[SoundIoChannelIdAux1][0] = "Aux 1";
names[SoundIoChannelIdAux1][1] = NULL;
names[SoundIoChannelIdAux1][2] = NULL;
names[SoundIoChannelIdAux2][0] = "Aux 2";
names[SoundIoChannelIdAux2][1] = NULL;
names[SoundIoChannelIdAux2][2] = NULL;
names[SoundIoChannelIdAux3][0] = "Aux 3";
names[SoundIoChannelIdAux3][1] = NULL;
names[SoundIoChannelIdAux3][2] = NULL;
names[SoundIoChannelIdAux4][0] = "Aux 4";
names[SoundIoChannelIdAux4][1] = NULL;
names[SoundIoChannelIdAux4][2] = NULL;
names[SoundIoChannelIdAux5][0] = "Aux 5";
names[SoundIoChannelIdAux5][1] = NULL;
names[SoundIoChannelIdAux5][2] = NULL;
names[SoundIoChannelIdAux6][0] = "Aux 6";
names[SoundIoChannelIdAux6][1] = NULL;
names[SoundIoChannelIdAux6][2] = NULL;
names[SoundIoChannelIdAux7][0] = "Aux 7";
names[SoundIoChannelIdAux7][1] = NULL;
names[SoundIoChannelIdAux7][2] = NULL;
names[SoundIoChannelIdAux8][0] = "Aux 8";
names[SoundIoChannelIdAux8][1] = NULL;
names[SoundIoChannelIdAux8][2] = NULL;
names[SoundIoChannelIdAux9][0] = "Aux 9";
names[SoundIoChannelIdAux9][1] = NULL;
names[SoundIoChannelIdAux9][2] = NULL;
names[SoundIoChannelIdAux10][0] = "Aux 10";
names[SoundIoChannelIdAux10][1] = NULL;
names[SoundIoChannelIdAux10][2] = NULL;
names[SoundIoChannelIdAux11][0] = "Aux 11";
names[SoundIoChannelIdAux11][1] = NULL;
names[SoundIoChannelIdAux11][2] = NULL;
names[SoundIoChannelIdAux12][0] = "Aux 12";
names[SoundIoChannelIdAux12][1] = NULL;
names[SoundIoChannelIdAux12][2] = NULL;
names[SoundIoChannelIdAux13][0] = "Aux 13";
names[SoundIoChannelIdAux13][1] = NULL;
names[SoundIoChannelIdAux13][2] = NULL;
names[SoundIoChannelIdAux14][0] = "Aux 14";
names[SoundIoChannelIdAux14][1] = NULL;
names[SoundIoChannelIdAux14][2] = NULL;
names[SoundIoChannelIdAux15][0] = "Aux 15";
names[SoundIoChannelIdAux15][1] = NULL;
names[SoundIoChannelIdAux15][2] = NULL;
return &names[0];
JACK: detect channel layout based on port names
2015-07-28 21:53:54 +00:00
};
Do not use C99 array initialization syntax.
2015-12-07 02:23:34 +00:00
static channel_names_t *channel_names = make_channel_names();
implement getting default device indexes
2015-07-01 08:24:57 +00:00
JACK: detect channel layout based on port names
2015-07-28 21:53:54 +00:00
const char *soundio_get_channel_name(enum SoundIoChannelId id) {
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
if (id >= ARRAY_LENGTH(channel_names))
JACK: detect channel layout based on port names
2015-07-28 21:53:54 +00:00
return "(Invalid Channel)";
else
return channel_names[id][0];
implement getting default device indexes
2015-07-01 08:24:57 +00:00
}
ALSA backend determines channel layout of devices
2015-07-10 06:35:58 +00:00
bool soundio_channel_layout_equal(
const struct SoundIoChannelLayout *a,
const struct SoundIoChannelLayout *b)
{
if (a->channel_count != b->channel_count)
return false;
for (int i = 0; i < a->channel_count; i += 1) {
if (a->channels[i] != b->channels[i])
return false;
}
return true;
}
implement getting default device indexes
2015-07-01 08:24:57 +00:00
int soundio_channel_layout_builtin_count(void) {
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
return ARRAY_LENGTH(builtin_channel_layouts);
implement getting default device indexes
2015-07-01 08:24:57 +00:00
}
const struct SoundIoChannelLayout *soundio_channel_layout_get_builtin(int index) {
assert(index >= 0);
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
assert(index <= ARRAY_LENGTH(builtin_channel_layouts));
implement getting default device indexes
2015-07-01 08:24:57 +00:00
return &builtin_channel_layouts[index];
}
int soundio_channel_layout_find_channel(
const struct SoundIoChannelLayout *layout, enum SoundIoChannelId channel)
{
for (int i = 0; i < layout->channel_count; i += 1) {
if (layout->channels[i] == channel)
return i;
}
return -1;
}
ALSA backend determines channel layout of devices
2015-07-10 06:35:58 +00:00
bool soundio_channel_layout_detect_builtin(struct SoundIoChannelLayout *layout) {
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
for (int i = 0; i < ARRAY_LENGTH(builtin_channel_layouts); i += 1) {
ALSA backend determines channel layout of devices
2015-07-10 06:35:58 +00:00
const struct SoundIoChannelLayout *builtin_layout = &builtin_channel_layouts[i];
if (soundio_channel_layout_equal(builtin_layout, layout)) {
layout->name = builtin_layout->name;
return true;
}
}
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
layout->name = NULL;
ALSA backend determines channel layout of devices
2015-07-10 06:35:58 +00:00
return false;
}
JACK: determine channel layouts of devices
2015-07-27 18:27:41 +00:00
const struct SoundIoChannelLayout *soundio_channel_layout_get_default(int channel_count) {
switch (channel_count) {
case 1: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutIdMono);
case 2: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutIdStereo);
follow PulseAudio's lead for default channel layouts
2015-07-28 22:23:08 +00:00
case 3: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutId3Point0);
case 4: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutId4Point0);
case 5: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutId5Point0Back);
case 6: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutId5Point1Back);
JACK: determine channel layouts of devices
2015-07-27 18:27:41 +00:00
case 7: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutId6Point1);
case 8: return soundio_channel_layout_get_builtin(SoundIoChannelLayoutId7Point1);
}
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
return NULL;
JACK: determine channel layouts of devices
2015-07-27 18:27:41 +00:00
}
sine example works with JACK
2015-07-28 18:28:07 +00:00
enum SoundIoChannelId soundio_parse_channel_id(const char *str, int str_len) {
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
for (int id = 0; id < ARRAY_LENGTH(channel_names); id += 1) {
for (int i = 0; i < CHANNEL_NAME_ALIAS_COUNT; i += 1) {
JACK: detect channel layout based on port names
2015-07-28 21:53:54 +00:00
const char *alias = channel_names[id][i];
if (!alias)
break;
int alias_len = strlen(alias);
if (soundio_streql(alias, alias_len, str, str_len))
convert source code to pure C List<T> is now a really ugly macro. Added a workaround for jack.h not putting `void` in function prototypes for functions that take no arguments. I made upstream pull requests to jack1 and jack2 but I don't have high hopes about them getting merged. I removed the lock-free atomic asserts. clang reports non-lock-free atomics when in fact it does have lock-free atomics. I inspected the generated code for gcc and clang for fetch_add, load, and store, on x86_64 and armhf, and it's all lock free. Closes #45.
2015-11-01 22:18:37 +00:00
return (enum SoundIoChannelId)id;
JACK: detect channel layout based on port names
2015-07-28 21:53:54 +00:00
}
}
sine example works with JACK
2015-07-28 18:28:07 +00:00
return SoundIoChannelIdInvalid;
}
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