From f51e169d2b20d731a7b338e1381e438a5abe586f Mon Sep 17 00:00:00 2001 From: James Almer Date: Sat, 21 Aug 2021 17:05:34 -0300 Subject: fate: add a channel_layout API test Signed-off-by: James Almer --- libavutil/Makefile | 1 + libavutil/tests/channel_layout.c | 266 +++++++++++++++++++++++++++++++++++++++ tests/fate/libavutil.mak | 4 + tests/ref/fate/channel_layout | 109 ++++++++++++++++ 4 files changed, 380 insertions(+) create mode 100644 libavutil/tests/channel_layout.c create mode 100644 tests/ref/fate/channel_layout diff --git a/libavutil/Makefile b/libavutil/Makefile index 737eb98bd4..81df3b0640 100644 --- a/libavutil/Makefile +++ b/libavutil/Makefile @@ -221,6 +221,7 @@ TESTPROGS = adler32 \ bprint \ cast5 \ camellia \ + channel_layout \ color_utils \ cpu \ crc \ diff --git a/libavutil/tests/channel_layout.c b/libavutil/tests/channel_layout.c new file mode 100644 index 0000000000..83d549a42c --- /dev/null +++ b/libavutil/tests/channel_layout.c @@ -0,0 +1,266 @@ +/* + * Copyright (c) 2021 James Almer + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/channel_layout.c" + +#define CHANNEL_NAME(x) \ + av_bprint_clear(&bp); \ + av_channel_name_bprint(&bp, x); + +#define CHANNEL_DESCRIPTION(x) \ + av_bprint_clear(&bp); \ + av_channel_description_bprint(&bp, x); + +#define CHANNEL_LAYOUT_FROM_MASK(x) \ + av_channel_layout_uninit(&layout); \ + av_bprint_clear(&bp); \ + if (!av_channel_layout_from_mask(&layout, x)) \ + av_channel_layout_describe_bprint(&layout, &bp); \ + else \ + av_bprintf(&bp, "fail"); + +#define CHANNEL_LAYOUT_FROM_STRING(x) \ + av_channel_layout_uninit(&layout); \ + av_bprint_clear(&bp); \ + if (!av_channel_layout_from_string(&layout, x)) \ + av_channel_layout_describe_bprint(&layout, &bp); \ + else \ + av_bprintf(&bp, "fail"); + +#define CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(x) \ + ret = av_channel_layout_channel_from_index(&layout, x); \ + if (ret < 0) \ + ret = -1 + +#define CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(x) \ + ret = av_channel_layout_index_from_channel(&layout, x); \ + if (ret < 0) \ + ret = -1 + +#define CHANNEL_LAYOUT_CHANNEL_FROM_STRING(x) \ + ret = av_channel_layout_channel_from_string(&layout, x); \ + if (ret < 0) \ + ret = -1 + +#define CHANNEL_LAYOUT_INDEX_FROM_STRING(x) \ + ret = av_channel_layout_index_from_string(&layout, x); \ + if (ret < 0) \ + ret = -1 + +int main(void) +{ + AVChannelLayout layout = { 0 }; + AVBPrint bp; + int ret; + + av_bprint_init(&bp, 64, AV_BPRINT_SIZE_AUTOMATIC); + + printf("Testing av_channel_name\n"); + CHANNEL_NAME(AV_CHAN_FRONT_LEFT); + printf("With AV_CHAN_FRONT_LEFT: %27s\n", bp.str); + CHANNEL_NAME(AV_CHAN_FRONT_RIGHT); + printf("With AV_CHAN_FRONT_RIGHT: %26s\n", bp.str); + CHANNEL_NAME(63); + printf("With 63: %43s\n", bp.str); + + printf("Testing av_channel_description\n"); + CHANNEL_DESCRIPTION(AV_CHAN_FRONT_LEFT); + printf("With AV_CHAN_FRONT_LEFT: %27s\n", bp.str); + CHANNEL_DESCRIPTION(AV_CHAN_FRONT_RIGHT); + printf("With AV_CHAN_FRONT_RIGHT: %26s\n", bp.str); + CHANNEL_DESCRIPTION(63); + printf("With 63: %43s\n", bp.str); + + printf("\nTesting av_channel_from_string\n"); + printf("With \"FL\": %41d\n", av_channel_from_string("FL")); + printf("With \"FR\": %41d\n", av_channel_from_string("FR")); + printf("With \"USR63\": %38d\n", av_channel_from_string("USR63")); + + printf("\n==Native layouts==\n"); + + printf("\nTesting av_channel_layout_from_string\n"); + CHANNEL_LAYOUT_FROM_STRING("0x3f"); + printf("With \"0x3f\": %39s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("63"); + printf("With \"63\": %41s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("6c"); + printf("With \"6c\": %41s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("6C"); + printf("With \"6C\": %41s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("6 channels"); + printf("With \"6 channels\": %33s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("6 channels (FL+FR+FC+LFE+BL+BR)"); + printf("With \"6 channels (FL+FR+FC+LFE+BL+BR)\": %12s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("FL+FR+FC+LFE+BL+BR"); + printf("With \"FL+FR+FC+LFE+BL+BR\": %25s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("5.1"); + printf("With \"5.1\": %40s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("FL+FR+USR63"); + printf("With \"FL+FR+USR63\": %32s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("FL+FR+FC+LFE+SL+SR"); + printf("With \"FL+FR+FC+LFE+SL+SR\": %25s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("5.1(side)"); + printf("With \"5.1(side)\": %34s\n", bp.str); + + printf("\nTesting av_channel_layout_from_mask\n"); + CHANNEL_LAYOUT_FROM_MASK(AV_CH_LAYOUT_5POINT1); + printf("With AV_CH_LAYOUT_5POINT1: %25s\n", bp.str); + + printf("\nTesting av_channel_layout_channel_from_index\n"); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(0); + printf("On 5.1(side) layout with 0: %24d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(1); + printf("On 5.1(side) layout with 1: %24d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(2); + printf("On 5.1(side) layout with 2: %24d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(3); + printf("On 5.1(side) layout with 3: %24d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(4); + printf("On 5.1(side) layout with 4: %24d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(5); + printf("On 5.1(side) layout with 5: %24d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(6); + printf("On 5.1(side) layout with 6: %24d\n", ret); + + printf("\nTesting av_channel_layout_index_from_channel\n"); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_LEFT); + printf("On 5.1(side) layout with AV_CHAN_FRONT_LEFT: %7d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_RIGHT); + printf("On 5.1(side) layout with AV_CHAN_FRONT_RIGHT: %6d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_CENTER); + printf("On 5.1(side) layout with AV_CHAN_FRONT_CENTER: %5d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_LOW_FREQUENCY); + printf("On 5.1(side) layout with AV_CHAN_LOW_FREQUENCY: %4d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_SIDE_LEFT); + printf("On 5.1(side) layout with AV_CHAN_SIDE_LEFT: %8d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_SIDE_RIGHT); + printf("On 5.1(side) layout with AV_CHAN_SIDE_RIGHT: %7d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_BACK_CENTER); + printf("On 5.1(side) layout with AV_CHAN_BACK_CENTER: %6d\n", ret); + + printf("\nTesting av_channel_layout_channel_from_string\n"); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FL"); + printf("On 5.1(side) layout with \"FL\": %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FR"); + printf("On 5.1(side) layout with \"FR\": %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FC"); + printf("On 5.1(side) layout with \"FC\": %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("LFE"); + printf("On 5.1(side) layout with \"LFE\": %20d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("SL"); + printf("On 5.1(side) layout with \"SL\": %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("SR"); + printf("On 5.1(side) layout with \"SR\": %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("BC"); + printf("On 5.1(side) layout with \"BC\": %21d\n", ret); + + printf("\nTesting av_channel_layout_index_from_string\n"); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FL"); + printf("On 5.1(side) layout with \"FL\": %21d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FR"); + printf("On 5.1(side) layout with \"FR\": %21d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FC"); + printf("On 5.1(side) layout with \"FC\": %21d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("LFE"); + printf("On 5.1(side) layout with \"LFE\": %20d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("SL"); + printf("On 5.1(side) layout with \"SL\": %21d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("SR"); + printf("On 5.1(side) layout with \"SR\": %21d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("BC"); + printf("On 5.1(side) layout with \"BC\": %21d\n", ret); + + printf("\n==Custom layouts==\n"); + + printf("\nTesting av_channel_layout_from_string\n"); + CHANNEL_LAYOUT_FROM_STRING("FL+FR+FC+BL+BR+LFE"); + printf("With \"FL+FR+FC+BL+BR+LFE\": %34s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("2 channels (FR+FL)"); + printf("With \"2 channels (FR+FL)\": %34s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("FL@Foo+FR@Bar"); + printf("With \"FL@Foo+FR@Bar\": %39s\n", bp.str); + CHANNEL_LAYOUT_FROM_STRING("FR+FL@Foo+USR63@Foo"); + printf("With \"FR+FL@Foo+USR63@Foo\": %33s\n", bp.str); + + printf("\nTesting av_channel_layout_index_from_string\n"); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FR"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FR\": %18d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FL"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FL\": %18d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("USR63"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"USR63\": %15d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"Foo\": %17d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"@Foo\": %16d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FR@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FR@Foo\": %14d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("FL@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FL@Foo\": %14d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("USR63@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"USR63@Foo\": %11d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_STRING("BC"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"BC\": %18d\n", ret); + + printf("\nTesting av_channel_layout_channel_from_string\n"); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FR"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FR\": %18d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FL"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FL\": %18d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("USR63"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"USR63\": %15d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"Foo\": %17d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"@Foo\": %16d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FR@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FR@Foo\": %14d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("FL@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"FL@Foo\": %14d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("USR63@Foo"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"USR63@Foo\": %11d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_STRING("BC"); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with \"BC\": %18d\n", ret); + + printf("\nTesting av_channel_layout_index_from_channel\n"); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_RIGHT); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with AV_CHAN_FRONT_RIGHT: %3d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_LEFT); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with AV_CHAN_FRONT_LEFT: %4d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(63); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with 63: %20d\n", ret); + CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_BACK_CENTER); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with AV_CHAN_BACK_CENTER: %3d\n", ret); + + printf("\nTesting av_channel_layout_channel_from_index\n"); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(0); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with 0: %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(1); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with 1: %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(2); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with 2: %21d\n", ret); + CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(3); + printf("On \"FR+FL@Foo+USR63@Foo\" layout with 3: %21d\n", ret); + + av_channel_layout_uninit(&layout); + av_bprint_finalize(&bp, NULL); + + return 0; +} diff --git a/tests/fate/libavutil.mak b/tests/fate/libavutil.mak index 1ec9ed00ad..c32cf2e706 100644 --- a/tests/fate/libavutil.mak +++ b/tests/fate/libavutil.mak @@ -23,6 +23,10 @@ fate-cast5: libavutil/tests/cast5$(EXESUF) fate-cast5: CMD = run libavutil/tests/cast5$(EXESUF) fate-cast5: CMP = null +FATE_LIBAVUTIL += fate-channel_layout +fate-channel_layout: libavutil/tests/channel_layout$(EXESUF) +fate-channel_layout: CMD = run libavutil/tests/channel_layout$(EXESUF) + FATE_LIBAVUTIL += fate-audio_fifo fate-audio_fifo: libavutil/tests/audio_fifo$(EXESUF) fate-audio_fifo: CMD = run libavutil/tests/audio_fifo$(EXESUF) diff --git a/tests/ref/fate/channel_layout b/tests/ref/fate/channel_layout new file mode 100644 index 0000000000..4b89e3f0e0 --- /dev/null +++ b/tests/ref/fate/channel_layout @@ -0,0 +1,109 @@ +Testing av_channel_name +With AV_CHAN_FRONT_LEFT: FL +With AV_CHAN_FRONT_RIGHT: FR +With 63: USR63 +Testing av_channel_description +With AV_CHAN_FRONT_LEFT: front left +With AV_CHAN_FRONT_RIGHT: front right +With 63: user 63 + +Testing av_channel_from_string +With "FL": 0 +With "FR": 1 +With "USR63": 63 + +==Native layouts== + +Testing av_channel_layout_from_string +With "0x3f": 5.1 +With "63": 5.1 +With "6c": 5.1 +With "6C": 6 channels +With "6 channels": 6 channels +With "6 channels (FL+FR+FC+LFE+BL+BR)": 5.1 +With "FL+FR+FC+LFE+BL+BR": 5.1 +With "5.1": 5.1 +With "FL+FR+USR63": 3 channels (FL+FR+USR63) +With "FL+FR+FC+LFE+SL+SR": 5.1(side) +With "5.1(side)": 5.1(side) + +Testing av_channel_layout_from_mask +With AV_CH_LAYOUT_5POINT1: 5.1(side) + +Testing av_channel_layout_channel_from_index +On 5.1(side) layout with 0: 0 +On 5.1(side) layout with 1: 1 +On 5.1(side) layout with 2: 2 +On 5.1(side) layout with 3: 3 +On 5.1(side) layout with 4: 9 +On 5.1(side) layout with 5: 10 +On 5.1(side) layout with 6: -1 + +Testing av_channel_layout_index_from_channel +On 5.1(side) layout with AV_CHAN_FRONT_LEFT: 0 +On 5.1(side) layout with AV_CHAN_FRONT_RIGHT: 1 +On 5.1(side) layout with AV_CHAN_FRONT_CENTER: 2 +On 5.1(side) layout with AV_CHAN_LOW_FREQUENCY: 3 +On 5.1(side) layout with AV_CHAN_SIDE_LEFT: 4 +On 5.1(side) layout with AV_CHAN_SIDE_RIGHT: 5 +On 5.1(side) layout with AV_CHAN_BACK_CENTER: -1 + +Testing av_channel_layout_channel_from_string +On 5.1(side) layout with "FL": 0 +On 5.1(side) layout with "FR": 1 +On 5.1(side) layout with "FC": 2 +On 5.1(side) layout with "LFE": 3 +On 5.1(side) layout with "SL": 9 +On 5.1(side) layout with "SR": 10 +On 5.1(side) layout with "BC": -1 + +Testing av_channel_layout_index_from_string +On 5.1(side) layout with "FL": 0 +On 5.1(side) layout with "FR": 1 +On 5.1(side) layout with "FC": 2 +On 5.1(side) layout with "LFE": 3 +On 5.1(side) layout with "SL": 4 +On 5.1(side) layout with "SR": 5 +On 5.1(side) layout with "BC": -1 + +==Custom layouts== + +Testing av_channel_layout_from_string +With "FL+FR+FC+BL+BR+LFE": 6 channels (FL+FR+FC+BL+BR+LFE) +With "2 channels (FR+FL)": 2 channels (FR+FL) +With "FL@Foo+FR@Bar": 2 channels (FL@Foo+FR@Bar) +With "FR+FL@Foo+USR63@Foo": 3 channels (FR+FL@Foo+USR63@Foo) + +Testing av_channel_layout_index_from_string +On "FR+FL@Foo+USR63@Foo" layout with "FR": 0 +On "FR+FL@Foo+USR63@Foo" layout with "FL": 1 +On "FR+FL@Foo+USR63@Foo" layout with "USR63": 2 +On "FR+FL@Foo+USR63@Foo" layout with "Foo": -1 +On "FR+FL@Foo+USR63@Foo" layout with "@Foo": 1 +On "FR+FL@Foo+USR63@Foo" layout with "FR@Foo": -1 +On "FR+FL@Foo+USR63@Foo" layout with "FL@Foo": 1 +On "FR+FL@Foo+USR63@Foo" layout with "USR63@Foo": 2 +On "FR+FL@Foo+USR63@Foo" layout with "BC": -1 + +Testing av_channel_layout_channel_from_string +On "FR+FL@Foo+USR63@Foo" layout with "FR": 1 +On "FR+FL@Foo+USR63@Foo" layout with "FL": 0 +On "FR+FL@Foo+USR63@Foo" layout with "USR63": 63 +On "FR+FL@Foo+USR63@Foo" layout with "Foo": -1 +On "FR+FL@Foo+USR63@Foo" layout with "@Foo": 0 +On "FR+FL@Foo+USR63@Foo" layout with "FR@Foo": -1 +On "FR+FL@Foo+USR63@Foo" layout with "FL@Foo": 0 +On "FR+FL@Foo+USR63@Foo" layout with "USR63@Foo": 63 +On "FR+FL@Foo+USR63@Foo" layout with "BC": -1 + +Testing av_channel_layout_index_from_channel +On "FR+FL@Foo+USR63@Foo" layout with AV_CHAN_FRONT_RIGHT: 0 +On "FR+FL@Foo+USR63@Foo" layout with AV_CHAN_FRONT_LEFT: 1 +On "FR+FL@Foo+USR63@Foo" layout with 63: 2 +On "FR+FL@Foo+USR63@Foo" layout with AV_CHAN_BACK_CENTER: -1 + +Testing av_channel_layout_channel_from_index +On "FR+FL@Foo+USR63@Foo" layout with 0: 1 +On "FR+FL@Foo+USR63@Foo" layout with 1: 0 +On "FR+FL@Foo+USR63@Foo" layout with 2: 63 +On "FR+FL@Foo+USR63@Foo" layout with 3: -1 -- cgit v1.2.3