From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 5F89649FD8 for ; Sun, 17 Mar 2024 23:57:47 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 615D168D212; Mon, 18 Mar 2024 01:57:45 +0200 (EET) Received: from iq.passwd.hu (iq.passwd.hu [217.27.212.140]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6AC9868D200 for ; Mon, 18 Mar 2024 01:57:39 +0200 (EET) Received: from localhost (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id 135DDEA22B for ; Mon, 18 Mar 2024 00:57:39 +0100 (CET) X-Virus-Scanned: amavisd-new at passwd.hu Received: from iq.passwd.hu ([127.0.0.1]) by localhost (iq.passwd.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KveY5RwcFQ7v for ; Mon, 18 Mar 2024 00:57:36 +0100 (CET) Received: from iq (iq [217.27.212.140]) by iq.passwd.hu (Postfix) with ESMTPS id F33ABEA22A for ; Mon, 18 Mar 2024 00:57:35 +0100 (CET) Date: Mon, 18 Mar 2024 00:57:35 +0100 (CET) From: Marton Balint To: FFmpeg development discussions and patches In-Reply-To: Message-ID: <383e7f14-4393-47b9-c138-069b8357b832@passwd.hu> References: <20240317195611.11278-1-cus@passwd.hu> MIME-Version: 1.0 Subject: Re: [FFmpeg-devel] [PATCH] avformat/mov_chan: respect channel order when parsing and creating chan atom X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Mon, 18 Mar 2024, Andreas Rheinhardt wrote: > Marton Balint: >> Previously we always assumed that the channels are in native order, even if >> they were not. The new channel layout API allows us to signal the proper >> channel order, so let's do so. >> >> Fixes ticket #98. >> --- >> libavformat/mov_chan.c | 464 +++++++++++++++++++---------------------- >> 1 file changed, 211 insertions(+), 253 deletions(-) >> >> diff --git a/libavformat/mov_chan.c b/libavformat/mov_chan.c >> index ead3a9b91b..d48cfeabb0 100644 >> --- a/libavformat/mov_chan.c >> +++ b/libavformat/mov_chan.c >> @@ -25,228 +25,163 @@ >> >> #include >> >> +#include "libavutil/avassert.h" >> #include "libavutil/channel_layout.h" >> #include "libavcodec/codec_id.h" >> #include "mov_chan.h" >> >> -struct MovChannelLayoutMap { >> - uint32_t tag; >> - uint64_t layout; >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_misc[] = { >> - { MOV_CH_LAYOUT_USE_DESCRIPTIONS, 0 }, >> - { MOV_CH_LAYOUT_USE_BITMAP, 0 }, >> - { MOV_CH_LAYOUT_DISCRETEINORDER, 0 }, >> - { MOV_CH_LAYOUT_UNKNOWN, 0 }, >> - { MOV_CH_LAYOUT_TMH_10_2_STD, 0 }, // L, R, C, Vhc, Lsd, Rsd, >> - // Ls, Rs, Vhl, Vhr, Lw, Rw, >> - // Csd, Cs, LFE1, LFE2 >> - { MOV_CH_LAYOUT_TMH_10_2_FULL, 0 }, // L, R, C, Vhc, Lsd, Rsd, >> - // Ls, Rs, Vhl, Vhr, Lw, Rw, >> - // Csd, Cs, LFE1, LFE2, Lc, Rc, >> - // HI, VI, Haptic >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_1ch[] = { >> - { MOV_CH_LAYOUT_MONO, AV_CH_LAYOUT_MONO }, // C >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_2ch[] = { >> - { MOV_CH_LAYOUT_STEREO, AV_CH_LAYOUT_STEREO }, // L, R >> - { MOV_CH_LAYOUT_STEREOHEADPHONES, AV_CH_LAYOUT_STEREO }, // L, R >> - { MOV_CH_LAYOUT_BINAURAL, AV_CH_LAYOUT_STEREO }, // L, R >> - { MOV_CH_LAYOUT_MIDSIDE, AV_CH_LAYOUT_STEREO }, // C, sides >> - { MOV_CH_LAYOUT_XY, AV_CH_LAYOUT_STEREO }, // X (left), Y (right) >> - >> - { MOV_CH_LAYOUT_MATRIXSTEREO, AV_CH_LAYOUT_STEREO_DOWNMIX }, // Lt, Rt >> - >> - { MOV_CH_LAYOUT_AC3_1_0_1, AV_CH_LAYOUT_MONO | // C, LFE >> - AV_CH_LOW_FREQUENCY }, >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_3ch[] = { >> - { MOV_CH_LAYOUT_MPEG_3_0_A, AV_CH_LAYOUT_SURROUND }, // L, R, C >> - { MOV_CH_LAYOUT_MPEG_3_0_B, AV_CH_LAYOUT_SURROUND }, // C, L, R >> - { MOV_CH_LAYOUT_AC3_3_0, AV_CH_LAYOUT_SURROUND }, // L, C, R >> - >> - { MOV_CH_LAYOUT_ITU_2_1, AV_CH_LAYOUT_2_1 }, // L, R, Cs >> - >> - { MOV_CH_LAYOUT_DVD_4, AV_CH_LAYOUT_2POINT1 }, // L, R, LFE >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_4ch[] = { >> - { MOV_CH_LAYOUT_AMBISONIC_B_FORMAT, 0 }, // W, X, Y, Z >> - >> - { MOV_CH_LAYOUT_QUADRAPHONIC, AV_CH_LAYOUT_QUAD }, // L, R, Rls, Rrs >> - >> - { MOV_CH_LAYOUT_MPEG_4_0_A, AV_CH_LAYOUT_4POINT0 }, // L, R, C, Cs >> - { MOV_CH_LAYOUT_MPEG_4_0_B, AV_CH_LAYOUT_4POINT0 }, // C, L, R, Cs >> - { MOV_CH_LAYOUT_AC3_3_1, AV_CH_LAYOUT_4POINT0 }, // L, C, R, Cs >> - >> - { MOV_CH_LAYOUT_ITU_2_2, AV_CH_LAYOUT_2_2 }, // L, R, Ls, Rs >> - >> - { MOV_CH_LAYOUT_DVD_5, AV_CH_LAYOUT_2_1 | // L, R, LFE, Cs >> - AV_CH_LOW_FREQUENCY }, >> - { MOV_CH_LAYOUT_AC3_2_1_1, AV_CH_LAYOUT_2_1 | // L, R, Cs, LFE >> - AV_CH_LOW_FREQUENCY }, >> - >> - { MOV_CH_LAYOUT_DVD_10, AV_CH_LAYOUT_3POINT1 }, // L, R, C, LFE >> - { MOV_CH_LAYOUT_AC3_3_0_1, AV_CH_LAYOUT_3POINT1 }, // L, C, R, LFE >> - { MOV_CH_LAYOUT_DTS_3_1, AV_CH_LAYOUT_3POINT1 }, // C, L, R, LFE >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_5ch[] = { >> - { MOV_CH_LAYOUT_PENTAGONAL, AV_CH_LAYOUT_5POINT0_BACK }, // L, R, Rls, Rrs, C >> - >> - { MOV_CH_LAYOUT_MPEG_5_0_A, AV_CH_LAYOUT_5POINT0 }, // L, R, C, Ls, Rs >> - { MOV_CH_LAYOUT_MPEG_5_0_B, AV_CH_LAYOUT_5POINT0 }, // L, R, Ls, Rs, C >> - { MOV_CH_LAYOUT_MPEG_5_0_C, AV_CH_LAYOUT_5POINT0 }, // L, C, R, Ls, Rs >> - { MOV_CH_LAYOUT_MPEG_5_0_D, AV_CH_LAYOUT_5POINT0 }, // C, L, R, Ls, Rs >> - >> - { MOV_CH_LAYOUT_DVD_6, AV_CH_LAYOUT_2_2 | // L, R, LFE, Ls, Rs >> - AV_CH_LOW_FREQUENCY }, >> - { MOV_CH_LAYOUT_DVD_18, AV_CH_LAYOUT_2_2 | // L, R, Ls, Rs, LFE >> - AV_CH_LOW_FREQUENCY }, >> - >> - { MOV_CH_LAYOUT_DVD_11, AV_CH_LAYOUT_4POINT1 }, // L, R, C, LFE, Cs >> - { MOV_CH_LAYOUT_AC3_3_1_1, AV_CH_LAYOUT_4POINT1 }, // L, C, R, Cs, LFE >> - { MOV_CH_LAYOUT_DTS_4_1, AV_CH_LAYOUT_4POINT1 }, // C, L, R, Cs, LFE >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_6ch[] = { >> - { MOV_CH_LAYOUT_HEXAGONAL, AV_CH_LAYOUT_HEXAGONAL }, // L, R, Rls, Rrs, C, Cs >> - { MOV_CH_LAYOUT_DTS_6_0_C, AV_CH_LAYOUT_HEXAGONAL }, // C, Cs, L, R, Rls, Rrs >> - >> - { MOV_CH_LAYOUT_MPEG_5_1_A, AV_CH_LAYOUT_5POINT1 }, // L, R, C, LFE, Ls, Rs >> - { MOV_CH_LAYOUT_MPEG_5_1_B, AV_CH_LAYOUT_5POINT1 }, // L, R, Ls, Rs, C, LFE >> - { MOV_CH_LAYOUT_MPEG_5_1_C, AV_CH_LAYOUT_5POINT1 }, // L, C, R, Ls, Rs, LFE >> - { MOV_CH_LAYOUT_MPEG_5_1_D, AV_CH_LAYOUT_5POINT1 }, // C, L, R, Ls, Rs, LFE >> - >> - { MOV_CH_LAYOUT_AUDIOUNIT_6_0, AV_CH_LAYOUT_6POINT0 }, // L, R, Ls, Rs, C, Cs >> - { MOV_CH_LAYOUT_AAC_6_0, AV_CH_LAYOUT_6POINT0 }, // C, L, R, Ls, Rs, Cs >> - { MOV_CH_LAYOUT_EAC3_6_0_A, AV_CH_LAYOUT_6POINT0 }, // L, C, R, Ls, Rs, Cs >> - >> - { MOV_CH_LAYOUT_DTS_6_0_A, AV_CH_LAYOUT_6POINT0_FRONT }, // Lc, Rc, L, R, Ls, Rs >> - >> - { MOV_CH_LAYOUT_DTS_6_0_B, AV_CH_LAYOUT_5POINT0_BACK | // C, L, R, Rls, Rrs, Ts >> - AV_CH_TOP_CENTER }, >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_7ch[] = { >> - { MOV_CH_LAYOUT_MPEG_6_1_A, AV_CH_LAYOUT_6POINT1 }, // L, R, C, LFE, Ls, Rs, Cs >> - { MOV_CH_LAYOUT_AAC_6_1, AV_CH_LAYOUT_6POINT1 }, // C, L, R, Ls, Rs, Cs, LFE >> - { MOV_CH_LAYOUT_EAC3_6_1_A, AV_CH_LAYOUT_6POINT1 }, // L, C, R, Ls, Rs, LFE, Cs >> - { MOV_CH_LAYOUT_DTS_6_1_D, AV_CH_LAYOUT_6POINT1 }, // C, L, R, Ls, Rs, LFE, Cs >> - >> - { MOV_CH_LAYOUT_AUDIOUNIT_7_0, AV_CH_LAYOUT_7POINT0 }, // L, R, Ls, Rs, C, Rls, Rrs >> - { MOV_CH_LAYOUT_AAC_7_0, AV_CH_LAYOUT_7POINT0 }, // C, L, R, Ls, Rs, Rls, Rrs >> - { MOV_CH_LAYOUT_EAC3_7_0_A, AV_CH_LAYOUT_7POINT0 }, // L, C, R, Ls, Rs, Rls, Rrs >> - >> - { MOV_CH_LAYOUT_AUDIOUNIT_7_0_FRONT, AV_CH_LAYOUT_7POINT0_FRONT }, // L, R, Ls, Rs, C, Lc, Rc >> - { MOV_CH_LAYOUT_DTS_7_0, AV_CH_LAYOUT_7POINT0_FRONT }, // Lc, C, Rc, L, R, Ls, Rs >> - >> - { MOV_CH_LAYOUT_EAC3_6_1_B, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Ts >> - AV_CH_TOP_CENTER }, >> - >> - { MOV_CH_LAYOUT_EAC3_6_1_C, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Vhc >> - AV_CH_TOP_FRONT_CENTER }, >> - >> - { MOV_CH_LAYOUT_DTS_6_1_A, AV_CH_LAYOUT_6POINT1_FRONT }, // Lc, Rc, L, R, Ls, Rs, LFE >> - >> - { MOV_CH_LAYOUT_DTS_6_1_B, AV_CH_LAYOUT_5POINT1_BACK | // C, L, R, Rls, Rrs, Ts, LFE >> - AV_CH_TOP_CENTER }, >> - >> - { MOV_CH_LAYOUT_DTS_6_1_C, AV_CH_LAYOUT_6POINT1_BACK }, // C, Cs, L, R, Rls, Rrs, LFE >> - { 0, 0 }, >> +enum ShortChannelName { >> + c_L = AV_CHAN_FRONT_LEFT, >> + c_R = AV_CHAN_FRONT_RIGHT, >> + c_C = AV_CHAN_FRONT_CENTER, >> + c_LFE = AV_CHAN_LOW_FREQUENCY, >> + c_Rls = AV_CHAN_BACK_LEFT, >> + c_Rrs = AV_CHAN_BACK_RIGHT, >> + c_Lc = AV_CHAN_FRONT_LEFT_OF_CENTER, >> + c_Rc = AV_CHAN_FRONT_RIGHT_OF_CENTER, >> + c_Cs = AV_CHAN_BACK_CENTER, >> + c_Ls = AV_CHAN_SIDE_LEFT, >> + c_Rs = AV_CHAN_SIDE_RIGHT, >> + c_Ts = AV_CHAN_TOP_CENTER, >> + c_Vhl = AV_CHAN_TOP_FRONT_LEFT, >> + c_Vhc = AV_CHAN_TOP_FRONT_CENTER, >> + c_Vhr = AV_CHAN_TOP_FRONT_RIGHT, >> + c_Rlt = AV_CHAN_TOP_BACK_LEFT, >> + // = AV_CHAN_TOP_BACK_CENTER, >> + c_Rrt = AV_CHAN_TOP_BACK_RIGHT, >> + c_Lt = AV_CHAN_STEREO_LEFT, >> + c_Rt = AV_CHAN_STEREO_RIGHT, >> + c_Lw = AV_CHAN_WIDE_LEFT, >> + c_Rw = AV_CHAN_WIDE_RIGHT, >> + c_Lsd = AV_CHAN_SURROUND_DIRECT_LEFT, >> + c_Rsd = AV_CHAN_SURROUND_DIRECT_RIGHT, >> + c_LFE2 = AV_CHAN_LOW_FREQUENCY_2, >> + // = AV_CHAN_TOP_SIDE_LEFT, >> + // = AV_CHAN_TOP_SIDE_RIGHT, >> + // = AV_CHAN_BOTTOM_FRONT_CENTER, >> + // = AV_CHAN_BOTTOM_FRONT_LEFT, >> + // = AV_CHAN_BOTTOM_FRONT_RIGHT, >> + c_W = AV_CHAN_AMBISONIC_BASE, >> + c_Y = AV_CHAN_AMBISONIC_BASE + 1, >> + c_Z = AV_CHAN_AMBISONIC_BASE + 2, >> + c_X = AV_CHAN_AMBISONIC_BASE + 3, >> + /* The following have no exact counterparts */ >> + c_LFE1 = AV_CHAN_LOW_FREQUENCY, >> + c_Csd = AV_CHAN_NONE, >> + c_HI = AV_CHAN_NONE, >> + c_VI = AV_CHAN_NONE, >> + c_Haptic = AV_CHAN_NONE, >> }; >> >> -static const struct MovChannelLayoutMap mov_ch_layout_map_8ch[] = { >> - { MOV_CH_LAYOUT_OCTAGONAL, AV_CH_LAYOUT_OCTAGONAL }, // L, R, Rls, Rrs, C, Cs, Ls, Rs >> - { MOV_CH_LAYOUT_AAC_OCTAGONAL, AV_CH_LAYOUT_OCTAGONAL }, // C, L, R, Ls, Rs, Rls, Rrs, Cs >> - >> - { MOV_CH_LAYOUT_CUBE, AV_CH_LAYOUT_CUBE }, // L, R, Rls, Rrs, Vhl, Vhr, Rlt, Rrt >> - >> - { MOV_CH_LAYOUT_MPEG_7_1_A, AV_CH_LAYOUT_7POINT1_WIDE }, // L, R, C, LFE, Ls, Rs, Lc, Rc >> - { MOV_CH_LAYOUT_MPEG_7_1_B, AV_CH_LAYOUT_7POINT1_WIDE }, // C, Lc, Rc, L, R, Ls, Rs, LFE >> - { MOV_CH_LAYOUT_EMAGIC_DEFAULT_7_1, AV_CH_LAYOUT_7POINT1_WIDE }, // L, R, Ls, Rs, C, LFE, Lc, Rc >> - { MOV_CH_LAYOUT_EAC3_7_1_B, AV_CH_LAYOUT_7POINT1_WIDE }, // L, C, R, Ls, Rs, LFE, Lc, Rc >> - { MOV_CH_LAYOUT_DTS_7_1, AV_CH_LAYOUT_7POINT1_WIDE }, // Lc, C, Rc, L, R, Ls, Rs, LFE >> - >> - { MOV_CH_LAYOUT_MPEG_7_1_C, AV_CH_LAYOUT_7POINT1 }, // L, R, C, LFE, Ls, Rs, Rls, Rrs >> - { MOV_CH_LAYOUT_EAC3_7_1_A, AV_CH_LAYOUT_7POINT1 }, // L, C, R, Ls, Rs, LFE, Rls, Rrs >> - >> - { MOV_CH_LAYOUT_SMPTE_DTV, AV_CH_LAYOUT_5POINT1 | // L, R, C, LFE, Ls, Rs, Lt, Rt >> - AV_CH_LAYOUT_STEREO_DOWNMIX }, >> - >> - { MOV_CH_LAYOUT_EAC3_7_1_C, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Lsd, Rsd >> - AV_CH_SURROUND_DIRECT_LEFT | >> - AV_CH_SURROUND_DIRECT_RIGHT }, >> - >> - { MOV_CH_LAYOUT_EAC3_7_1_D, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Lw, Rw >> - AV_CH_WIDE_LEFT | >> - AV_CH_WIDE_RIGHT }, >> - >> - { MOV_CH_LAYOUT_EAC3_7_1_E, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Vhl, Vhr >> - AV_CH_TOP_FRONT_LEFT | >> - AV_CH_TOP_FRONT_RIGHT }, >> - >> - { MOV_CH_LAYOUT_EAC3_7_1_F, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Cs, Ts >> - AV_CH_BACK_CENTER | >> - AV_CH_TOP_CENTER }, >> - >> - { MOV_CH_LAYOUT_EAC3_7_1_G, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Cs, Vhc >> - AV_CH_BACK_CENTER | >> - AV_CH_TOP_FRONT_CENTER }, >> - >> - { MOV_CH_LAYOUT_EAC3_7_1_H, AV_CH_LAYOUT_5POINT1 | // L, C, R, Ls, Rs, LFE, Ts, Vhc >> - AV_CH_TOP_CENTER | >> - AV_CH_TOP_FRONT_CENTER }, >> - >> - { MOV_CH_LAYOUT_DTS_8_0_A, AV_CH_LAYOUT_2_2 | // Lc, Rc, L, R, Ls, Rs, Rls, Rrs >> - AV_CH_BACK_LEFT | >> - AV_CH_BACK_RIGHT | >> - AV_CH_FRONT_LEFT_OF_CENTER | >> - AV_CH_FRONT_RIGHT_OF_CENTER }, >> - >> - { MOV_CH_LAYOUT_DTS_8_0_B, AV_CH_LAYOUT_5POINT0 | // Lc, C, Rc, L, R, Ls, Cs, Rs >> - AV_CH_FRONT_LEFT_OF_CENTER | >> - AV_CH_FRONT_RIGHT_OF_CENTER | >> - AV_CH_BACK_CENTER }, >> - { 0, 0 }, >> -}; >> - >> -static const struct MovChannelLayoutMap mov_ch_layout_map_9ch[] = { >> - { MOV_CH_LAYOUT_DTS_8_1_A, AV_CH_LAYOUT_2_2 | // Lc, Rc, L, R, Ls, Rs, Rls, Rrs, LFE >> - AV_CH_BACK_LEFT | >> - AV_CH_BACK_RIGHT | >> - AV_CH_FRONT_LEFT_OF_CENTER | >> - AV_CH_FRONT_RIGHT_OF_CENTER | >> - AV_CH_LOW_FREQUENCY }, >> - >> - { MOV_CH_LAYOUT_DTS_8_1_B, AV_CH_LAYOUT_7POINT1_WIDE | // Lc, C, Rc, L, R, Ls, Cs, Rs, LFE >> - AV_CH_BACK_CENTER }, >> - { 0, 0 }, >> +struct MovChannelLayoutMap { >> + union { >> + uint32_t tag; >> + enum AVChannel id; >> + }; >> }; >> >> -static const struct MovChannelLayoutMap * const mov_ch_layout_map[] = { >> - mov_ch_layout_map_misc, >> - mov_ch_layout_map_1ch, >> - mov_ch_layout_map_2ch, >> - mov_ch_layout_map_3ch, >> - mov_ch_layout_map_4ch, >> - mov_ch_layout_map_5ch, >> - mov_ch_layout_map_6ch, >> - mov_ch_layout_map_7ch, >> - mov_ch_layout_map_8ch, >> - mov_ch_layout_map_9ch, >> +#define TAG(_0) (struct MovChannelLayoutMap){.tag = _0} >> +#define ID(_0) (struct MovChannelLayoutMap){.id = c_##_0} > > Code like > > typedef struct Foo { > int a; > } Foo; > > Foo bar[] = { > (Foo) {.a = 1}, > }; > > is not valid C11 (or C17), because initializers for static objects are > subject to severe restrictions; in particular, compound literals are not > allowed. GCC and Clang ignore this except when using -pedantic, but MSVC > does not: https://godbolt.org/z/hvnrh63za > Just remove the "(MovChannelLayoutMap)". Ok, will do, thanks. Marton _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".