/* * 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_check(&layout)) \ 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_check(&layout)) \ 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_SUBSET(x) \ mask = av_channel_layout_subset(&layout, x) #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) { const AVChannelLayout *playout; AVChannelLayout layout = { 0 }; AVBPrint bp; void *iter = NULL; uint64_t mask; int ret; av_bprint_init(&bp, 64, AV_BPRINT_SIZE_AUTOMATIC); printf("Testing av_channel_layout_standard\n"); while (playout = av_channel_layout_standard(&iter)) { av_channel_layout_describe_bprint(playout, &bp); printf("%-14s ", bp.str); av_bprint_clear(&bp); for (int i = 0; i < 63; i++) { int idx = av_channel_layout_index_from_channel(playout, i); if (idx >= 0) { if (idx) av_bprintf(&bp, "+"); av_channel_name_bprint(&bp, i); } } printf("%s\n", bp.str); av_bprint_clear(&bp); } printf("\nTesting 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); CHANNEL_NAME(AV_CHAN_AMBISONIC_BASE); printf("With AV_CHAN_AMBISONIC_BASE: %23s\n", bp.str); CHANNEL_NAME(AV_CHAN_AMBISONIC_END); printf("With AV_CHAN_AMBISONIC_END: %24s\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); CHANNEL_DESCRIPTION(AV_CHAN_AMBISONIC_BASE); printf("With AV_CHAN_AMBISONIC_BASE: %23s\n", bp.str); CHANNEL_DESCRIPTION(AV_CHAN_AMBISONIC_END); printf("With AV_CHAN_AMBISONIC_END: %24s\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("With \"AMBI0\": %38d\n", av_channel_from_string("AMBI0")); printf("With \"AMBI1023\": %35d\n", av_channel_from_string("AMBI1023")); 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("\nTesting av_channel_layout_subset\n"); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_STEREO); printf("On 5.1(side) layout with AV_CH_LAYOUT_STEREO: 0x%"PRIx64"\n", mask); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_2POINT1); printf("On 5.1(side) layout with AV_CH_LAYOUT_2POINT1: 0x%"PRIx64"\n", mask); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_4POINT1); printf("On 5.1(side) layout with AV_CH_LAYOUT_4POINT1: 0x%"PRIx64"\n", mask); 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("ambisonic 1+FR+FL"); printf("With \"ambisonic 1+FR+FL\": %35s\n", bp.str); CHANNEL_LAYOUT_FROM_STRING("ambisonic 2+FC@Foo"); printf("With \"ambisonic 2+FC@Foo\": %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); printf("\nTesting av_channel_layout_subset\n"); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_STEREO); printf("On \"FR+FL@Foo+USR63@Foo\" layout with AV_CH_LAYOUT_STEREO: 0x%"PRIx64"\n", mask); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_QUAD); printf("On \"FR+FL@Foo+USR63@Foo\" layout with AV_CH_LAYOUT_QUAD: 0x%"PRIx64"\n", mask); printf("\n==Ambisonic layouts==\n"); printf("\nTesting av_channel_layout_from_string\n"); CHANNEL_LAYOUT_FROM_STRING("ambisonic 1"); printf("With \"ambisonic 1\": %41s\n", bp.str); CHANNEL_LAYOUT_FROM_STRING("ambisonic 2+stereo"); printf("With \"ambisonic 2+stereo\": %34s\n", bp.str); printf("\nTesting av_channel_layout_index_from_channel\n"); CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_AMBISONIC_BASE); printf("On \"ambisonic 2+stereo\" layout with AV_CHAN_AMBISONIC_BASE: %d\n", ret); CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_LEFT); printf("On \"ambisonic 2+stereo\" layout with AV_CHAN_FRONT_LEFT: %5d\n", ret); CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_FRONT_RIGHT); printf("On \"ambisonic 2+stereo\" layout with AV_CHAN_FRONT_RIGHT: %4d\n", ret); CHANNEL_LAYOUT_INDEX_FROM_CHANNEL(AV_CHAN_BACK_CENTER); printf("On \"ambisonic 2+stereo\" layout with AV_CHAN_BACK_CENTER: %4d\n", ret); printf("\nTesting av_channel_layout_channel_from_index\n"); CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(0); printf("On \"ambisonic 2+stereo\" layout with 0: %22d\n", ret); CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(9); printf("On \"ambisonic 2+stereo\" layout with 9: %22d\n", ret); CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(10); printf("On \"ambisonic 2+stereo\" layout with 10: %21d\n", ret); CHANNEL_LAYOUT_CHANNEL_FROM_INDEX(11); printf("On \"ambisonic 2+stereo\" layout with 11: %21d\n", ret); printf("\nTesting av_channel_layout_subset\n"); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_STEREO); printf("On \"ambisonic 2+stereo\" layout with AV_CH_LAYOUT_STEREO: 0x%"PRIx64"\n", mask); CHANNEL_LAYOUT_SUBSET(AV_CH_LAYOUT_QUAD); printf("On \"ambisonic 2+stereo\" layout with AV_CH_LAYOUT_QUAD: 0x%"PRIx64"\n", mask); av_channel_layout_uninit(&layout); av_bprint_finalize(&bp, NULL); return 0; }