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author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-08-01 05:42:06 +0200 |
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committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-08-05 03:28:45 +0200 |
commit | c488ee6182017910d58343c9fcece504bf89dad1 (patch) | |
tree | 1856941d75e42168d2bc254c321a6cc4b199cf85 /libavcodec | |
parent | bcb0faeaba60b5d329fafee2e55f28d3c709e7b1 (diff) | |
download | ffmpeg-c488ee6182017910d58343c9fcece504bf89dad1.tar.gz |
avcodec/aacenc: Move aac_pce_configs to its only user
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/aacenc.c | 273 | ||||
-rw-r--r-- | libavcodec/aacenc.h | 273 |
2 files changed, 273 insertions, 273 deletions
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c index ee179542bd..4f51485fc4 100644 --- a/libavcodec/aacenc.c +++ b/libavcodec/aacenc.c @@ -51,6 +51,279 @@ #include "psymodel.h" +/** + * List of PCE (Program Configuration Element) for the channel layouts listed + * in channel_layout.h + * + * For those wishing in the future to add other layouts: + * + * - num_ele: number of elements in each group of front, side, back, lfe channels + * (an element is of type SCE (single channel), CPE (channel pair) for + * the first 3 groups; and is LFE for LFE group). + * + * - pairing: 0 for an SCE element or 1 for a CPE; does not apply to LFE group + * + * - index: there are three independent indices for SCE, CPE and LFE; + * they are incremented irrespective of the group to which the element belongs; + * they are not reset when going from one group to another + * + * Example: for 7.0 channel layout, + * .pairing = { { 1, 0 }, { 1 }, { 1 }, }, (3 CPE and 1 SCE in front group) + * .index = { { 0, 0 }, { 1 }, { 2 }, }, + * (index is 0 for the single SCE but goes from 0 to 2 for the CPEs) + * + * The index order impacts the channel ordering. But is otherwise arbitrary + * (the sequence could have been 2, 0, 1 instead of 0, 1, 2). + * + * Spec allows for discontinuous indices, e.g. if one has a total of two SCE, + * SCE.0 SCE.15 is OK per spec; BUT it won't be decoded by our AAC decoder + * which at this time requires that indices fully cover some range starting + * from 0 (SCE.1 SCE.0 is OK but not SCE.0 SCE.15). + * + * - config_map: total number of elements and their types. Beware, the way the + * types are ordered impacts the final channel ordering. + * + * - reorder_map: reorders the channels. + * + */ +static const AACPCEInfo aac_pce_configs[] = { + { + .layout = AV_CHANNEL_LAYOUT_MONO, + .num_ele = { 1, 0, 0, 0 }, + .pairing = { { 0 }, }, + .index = { { 0 }, }, + .config_map = { 1, TYPE_SCE, }, + .reorder_map = { 0 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_STEREO, + .num_ele = { 1, 0, 0, 0 }, + .pairing = { { 1 }, }, + .index = { { 0 }, }, + .config_map = { 1, TYPE_CPE, }, + .reorder_map = { 0, 1 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_2POINT1, + .num_ele = { 1, 0, 0, 1 }, + .pairing = { { 1 }, }, + .index = { { 0 },{ 0 },{ 0 },{ 0 } }, + .config_map = { 2, TYPE_CPE, TYPE_LFE }, + .reorder_map = { 0, 1, 2 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_2_1, + .num_ele = { 1, 0, 1, 0 }, + .pairing = { { 1 },{ 0 },{ 0 } }, + .index = { { 0 },{ 0 },{ 0 }, }, + .config_map = { 2, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_SURROUND, + .num_ele = { 2, 0, 0, 0 }, + .pairing = { { 1, 0 }, }, + .index = { { 0, 0 }, }, + .config_map = { 2, TYPE_CPE, TYPE_SCE, }, + .reorder_map = { 0, 1, 2 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_3POINT1, + .num_ele = { 2, 0, 0, 1 }, + .pairing = { { 1, 0 }, }, + .index = { { 0, 0 }, { 0 }, { 0 }, { 0 }, }, + .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_LFE }, + .reorder_map = { 0, 1, 2, 3 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_4POINT0, + .num_ele = { 2, 0, 1, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 0 }, }, + .index = { { 0, 0 }, { 0 }, { 1 } }, + .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_4POINT1, + .num_ele = { 2, 1, 1, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 0 }, }, + .index = { { 0, 0 }, { 1 }, { 2 }, { 0 } }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_2_2, + .num_ele = { 1, 1, 0, 0 }, + .pairing = { { 1 }, { 1 }, }, + .index = { { 0 }, { 1 }, }, + .config_map = { 2, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_QUAD, + .num_ele = { 1, 0, 1, 0 }, + .pairing = { { 1 }, { 0 }, { 1 }, }, + .index = { { 0 }, { 0 }, { 1 } }, + .config_map = { 2, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_5POINT0, + .num_ele = { 2, 1, 0, 0 }, + .pairing = { { 1, 0 }, { 1 }, }, + .index = { { 0, 0 }, { 1 } }, + .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_5POINT1, + .num_ele = { 2, 1, 1, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1 }, }, + .index = { { 0, 0 }, { 1 }, { 1 } }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_5POINT0_BACK, + .num_ele = { 2, 0, 1, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1 } }, + .index = { { 0, 0 }, { 0 }, { 1 } }, + .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_5POINT1_BACK, + .num_ele = { 2, 1, 1, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1 }, }, + .index = { { 0, 0 }, { 1 }, { 1 } }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_6POINT0, + .num_ele = { 2, 1, 1, 0 }, + .pairing = { { 1, 0 }, { 1 }, { 0 }, }, + .index = { { 0, 0 }, { 1 }, { 1 } }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_6POINT0_FRONT, + .num_ele = { 2, 1, 0, 0 }, + .pairing = { { 1, 1 }, { 1 } }, + .index = { { 1, 0 }, { 2 }, }, + .config_map = { 3, TYPE_CPE, TYPE_CPE, TYPE_CPE, }, + .reorder_map = { 0, 1, 2, 3, 4, 5 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_HEXAGONAL, + .num_ele = { 2, 0, 2, 0 }, + .pairing = { { 1, 0 },{ 0 },{ 1, 0 }, }, + .index = { { 0, 0 },{ 0 },{ 1, 1 } }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE, }, + .reorder_map = { 0, 1, 2, 3, 4, 5 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_6POINT1, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 },{ 0 },{ 1, 0 }, }, + .index = { { 0, 0 },{ 1 },{ 1, 2 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_6POINT1_BACK, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1, 0 }, }, + .index = { { 0, 0 }, { 1 }, { 1, 2 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_6POINT1_FRONT, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1, 0 }, }, + .index = { { 0, 0 }, { 1 }, { 1, 2 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_7POINT0, + .num_ele = { 2, 1, 1, 0 }, + .pairing = { { 1, 0 }, { 1 }, { 1 }, }, + .index = { { 0, 0 }, { 1 }, { 2 }, }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_7POINT0_FRONT, + .num_ele = { 2, 1, 1, 0 }, + .pairing = { { 1, 0 }, { 1 }, { 1 }, }, + .index = { { 0, 0 }, { 1 }, { 2 }, }, + .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_7POINT1, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1, 1 }, }, + .index = { { 0, 0 }, { 1 }, { 1, 2 }, { 0 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_7POINT1_WIDE, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 }, { 0 },{ 1, 1 }, }, + .index = { { 0, 0 }, { 1 }, { 1, 2 }, { 0 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 }, { 0 }, { 1, 1 }, }, + .index = { { 0, 0 }, { 1 }, { 1, 2 }, { 0 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_OCTAGONAL, + .num_ele = { 2, 1, 2, 0 }, + .pairing = { { 1, 0 }, { 1 }, { 1, 0 }, }, + .index = { { 0, 0 }, { 1 }, { 2, 1 } }, + .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, + }, + { /* Meant for order 2/mixed ambisonics */ + .layout = { .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = 9, + .u.mask = AV_CH_LAYOUT_OCTAGONAL | AV_CH_TOP_CENTER }, + .num_ele = { 2, 2, 2, 0 }, + .pairing = { { 1, 0 }, { 1, 0 }, { 1, 0 }, }, + .index = { { 0, 0 }, { 1, 1 }, { 2, 2 } }, + .config_map = { 6, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7, 8 }, + }, + { /* Meant for order 2/mixed ambisonics */ + .layout = { .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = 10, + .u.mask = AV_CH_LAYOUT_6POINT0_FRONT | AV_CH_BACK_CENTER | + AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT | AV_CH_TOP_CENTER }, + .num_ele = { 2, 2, 2, 0 }, + .pairing = { { 1, 1 }, { 1, 0 }, { 1, 0 }, }, + .index = { { 0, 1 }, { 2, 0 }, { 3, 1 } }, + .config_map = { 6, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, + }, + { + .layout = AV_CHANNEL_LAYOUT_HEXADECAGONAL, + .num_ele = { 4, 2, 4, 0 }, + .pairing = { { 1, 0, 1, 0 }, { 1, 1 }, { 1, 0, 1, 0 }, }, + .index = { { 0, 0, 1, 1 }, { 2, 3 }, { 4, 2, 5, 3 } }, + .config_map = { 10, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, + .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + }, +}; + static void put_pce(PutBitContext *pb, AVCodecContext *avctx) { int i, j; diff --git a/libavcodec/aacenc.h b/libavcodec/aacenc.h index a001c7ca60..f5a2b78c6d 100644 --- a/libavcodec/aacenc.h +++ b/libavcodec/aacenc.h @@ -103,279 +103,6 @@ typedef struct AACPCEInfo { } AACPCEInfo; /** - * List of PCE (Program Configuration Element) for the channel layouts listed - * in channel_layout.h - * - * For those wishing in the future to add other layouts: - * - * - num_ele: number of elements in each group of front, side, back, lfe channels - * (an element is of type SCE (single channel), CPE (channel pair) for - * the first 3 groups; and is LFE for LFE group). - * - * - pairing: 0 for an SCE element or 1 for a CPE; does not apply to LFE group - * - * - index: there are three independent indices for SCE, CPE and LFE; - * they are incremented irrespective of the group to which the element belongs; - * they are not reset when going from one group to another - * - * Example: for 7.0 channel layout, - * .pairing = { { 1, 0 }, { 1 }, { 1 }, }, (3 CPE and 1 SCE in front group) - * .index = { { 0, 0 }, { 1 }, { 2 }, }, - * (index is 0 for the single SCE but goes from 0 to 2 for the CPEs) - * - * The index order impacts the channel ordering. But is otherwise arbitrary - * (the sequence could have been 2, 0, 1 instead of 0, 1, 2). - * - * Spec allows for discontinuous indices, e.g. if one has a total of two SCE, - * SCE.0 SCE.15 is OK per spec; BUT it won't be decoded by our AAC decoder - * which at this time requires that indices fully cover some range starting - * from 0 (SCE.1 SCE.0 is OK but not SCE.0 SCE.15). - * - * - config_map: total number of elements and their types. Beware, the way the - * types are ordered impacts the final channel ordering. - * - * - reorder_map: reorders the channels. - * - */ -static const AACPCEInfo aac_pce_configs[] = { - { - .layout = AV_CHANNEL_LAYOUT_MONO, - .num_ele = { 1, 0, 0, 0 }, - .pairing = { { 0 }, }, - .index = { { 0 }, }, - .config_map = { 1, TYPE_SCE, }, - .reorder_map = { 0 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_STEREO, - .num_ele = { 1, 0, 0, 0 }, - .pairing = { { 1 }, }, - .index = { { 0 }, }, - .config_map = { 1, TYPE_CPE, }, - .reorder_map = { 0, 1 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_2POINT1, - .num_ele = { 1, 0, 0, 1 }, - .pairing = { { 1 }, }, - .index = { { 0 },{ 0 },{ 0 },{ 0 } }, - .config_map = { 2, TYPE_CPE, TYPE_LFE }, - .reorder_map = { 0, 1, 2 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_2_1, - .num_ele = { 1, 0, 1, 0 }, - .pairing = { { 1 },{ 0 },{ 0 } }, - .index = { { 0 },{ 0 },{ 0 }, }, - .config_map = { 2, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_SURROUND, - .num_ele = { 2, 0, 0, 0 }, - .pairing = { { 1, 0 }, }, - .index = { { 0, 0 }, }, - .config_map = { 2, TYPE_CPE, TYPE_SCE, }, - .reorder_map = { 0, 1, 2 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_3POINT1, - .num_ele = { 2, 0, 0, 1 }, - .pairing = { { 1, 0 }, }, - .index = { { 0, 0 }, { 0 }, { 0 }, { 0 }, }, - .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_LFE }, - .reorder_map = { 0, 1, 2, 3 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_4POINT0, - .num_ele = { 2, 0, 1, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 0 }, }, - .index = { { 0, 0 }, { 0 }, { 1 } }, - .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_4POINT1, - .num_ele = { 2, 1, 1, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 0 }, }, - .index = { { 0, 0 }, { 1 }, { 2 }, { 0 } }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_2_2, - .num_ele = { 1, 1, 0, 0 }, - .pairing = { { 1 }, { 1 }, }, - .index = { { 0 }, { 1 }, }, - .config_map = { 2, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_QUAD, - .num_ele = { 1, 0, 1, 0 }, - .pairing = { { 1 }, { 0 }, { 1 }, }, - .index = { { 0 }, { 0 }, { 1 } }, - .config_map = { 2, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_5POINT0, - .num_ele = { 2, 1, 0, 0 }, - .pairing = { { 1, 0 }, { 1 }, }, - .index = { { 0, 0 }, { 1 } }, - .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_5POINT1, - .num_ele = { 2, 1, 1, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1 }, }, - .index = { { 0, 0 }, { 1 }, { 1 } }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_5POINT0_BACK, - .num_ele = { 2, 0, 1, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1 } }, - .index = { { 0, 0 }, { 0 }, { 1 } }, - .config_map = { 3, TYPE_CPE, TYPE_SCE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_5POINT1_BACK, - .num_ele = { 2, 1, 1, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1 }, }, - .index = { { 0, 0 }, { 1 }, { 1 } }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_6POINT0, - .num_ele = { 2, 1, 1, 0 }, - .pairing = { { 1, 0 }, { 1 }, { 0 }, }, - .index = { { 0, 0 }, { 1 }, { 1 } }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_6POINT0_FRONT, - .num_ele = { 2, 1, 0, 0 }, - .pairing = { { 1, 1 }, { 1 } }, - .index = { { 1, 0 }, { 2 }, }, - .config_map = { 3, TYPE_CPE, TYPE_CPE, TYPE_CPE, }, - .reorder_map = { 0, 1, 2, 3, 4, 5 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_HEXAGONAL, - .num_ele = { 2, 0, 2, 0 }, - .pairing = { { 1, 0 },{ 0 },{ 1, 0 }, }, - .index = { { 0, 0 },{ 0 },{ 1, 1 } }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE, }, - .reorder_map = { 0, 1, 2, 3, 4, 5 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_6POINT1, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 },{ 0 },{ 1, 0 }, }, - .index = { { 0, 0 },{ 1 },{ 1, 2 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_6POINT1_BACK, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1, 0 }, }, - .index = { { 0, 0 }, { 1 }, { 1, 2 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_6POINT1_FRONT, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1, 0 }, }, - .index = { { 0, 0 }, { 1 }, { 1, 2 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_7POINT0, - .num_ele = { 2, 1, 1, 0 }, - .pairing = { { 1, 0 }, { 1 }, { 1 }, }, - .index = { { 0, 0 }, { 1 }, { 2 }, }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_7POINT0_FRONT, - .num_ele = { 2, 1, 1, 0 }, - .pairing = { { 1, 0 }, { 1 }, { 1 }, }, - .index = { { 0, 0 }, { 1 }, { 2 }, }, - .config_map = { 4, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_7POINT1, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1, 1 }, }, - .index = { { 0, 0 }, { 1 }, { 1, 2 }, { 0 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_7POINT1_WIDE, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 }, { 0 },{ 1, 1 }, }, - .index = { { 0, 0 }, { 1 }, { 1, 2 }, { 0 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 }, { 0 }, { 1, 1 }, }, - .index = { { 0, 0 }, { 1 }, { 1, 2 }, { 0 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_SCE, TYPE_CPE, TYPE_CPE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_OCTAGONAL, - .num_ele = { 2, 1, 2, 0 }, - .pairing = { { 1, 0 }, { 1 }, { 1, 0 }, }, - .index = { { 0, 0 }, { 1 }, { 2, 1 } }, - .config_map = { 5, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7 }, - }, - { /* Meant for order 2/mixed ambisonics */ - .layout = { .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = 9, - .u.mask = AV_CH_LAYOUT_OCTAGONAL | AV_CH_TOP_CENTER }, - .num_ele = { 2, 2, 2, 0 }, - .pairing = { { 1, 0 }, { 1, 0 }, { 1, 0 }, }, - .index = { { 0, 0 }, { 1, 1 }, { 2, 2 } }, - .config_map = { 6, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7, 8 }, - }, - { /* Meant for order 2/mixed ambisonics */ - .layout = { .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = 10, - .u.mask = AV_CH_LAYOUT_6POINT0_FRONT | AV_CH_BACK_CENTER | - AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT | AV_CH_TOP_CENTER }, - .num_ele = { 2, 2, 2, 0 }, - .pairing = { { 1, 1 }, { 1, 0 }, { 1, 0 }, }, - .index = { { 0, 1 }, { 2, 0 }, { 3, 1 } }, - .config_map = { 6, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, - }, - { - .layout = AV_CHANNEL_LAYOUT_HEXADECAGONAL, - .num_ele = { 4, 2, 4, 0 }, - .pairing = { { 1, 0, 1, 0 }, { 1, 1 }, { 1, 0, 1, 0 }, }, - .index = { { 0, 0, 1, 1 }, { 2, 3 }, { 4, 2, 5, 3 } }, - .config_map = { 10, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_CPE, TYPE_SCE }, - .reorder_map = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, - }, -}; - -/** * AAC encoder context */ typedef struct AACEncContext { |