diff options
| author | James Almer <jamrial@gmail.com> | 2022-10-27 02:25:51 +0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2022-11-04 01:39:52 +0300 |
| commit | cf653aabb5b32ce2538365e32ea9db51592169c3 (patch) | |
| tree | 25db66f63ad308ce5a2fe65f316f8531ba5a5d26 /libavcodec/aacdec_template.c | |
| parent | c79b16306f6c612cb5ef970b2745564082bb8d16 (diff) | |
avcodec/aacdec: add support for channel configuration 14
It corresponds to the 7.1(top) layout.
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/aacdec_template.c')
| -rw-r--r-- | libavcodec/aacdec_template.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c index c10bc743b6..9a85692069 100644 --- a/libavcodec/aacdec_template.c +++ b/libavcodec/aacdec_template.c @@ -404,6 +404,21 @@ static uint64_t sniff_channel_order(uint8_t (*layout_map)[3], int tags) i++; } + // The previous checks would end up at 4 at this point for chan_config 14 + if (layout == AV_CH_LAYOUT_5POINT1_BACK && tags == 5 && i == 4) { + const uint8_t (*reference_layout_map)[3] = aac_channel_layout_map[13]; + for (int j = 0; j < tags; j++) { + if (layout_map[j][0] != reference_layout_map[j][0] || + layout_map[j][2] != reference_layout_map[j][2]) + goto end_of_layout_definition; + } + + i += assign_pair(e2c_vec, layout_map, i, + AV_CH_TOP_FRONT_LEFT, + AV_CH_TOP_FRONT_RIGHT, + AAC_CHANNEL_FRONT, + &layout); + } // The previous checks would end up at 8 at this point for 22.2 if (layout == PREFIX_FOR_22POINT2 && tags == 16 && i == 8) { const uint8_t (*reference_layout_map)[3] = aac_channel_layout_map[12]; @@ -633,7 +648,7 @@ static int set_default_channel_config(AACContext *ac, AVCodecContext *avctx, int channel_config) { if (channel_config < 1 || (channel_config > 7 && channel_config < 11) || - channel_config > 13) { + channel_config > 14) { av_log(avctx, AV_LOG_ERROR, "invalid default channel configuration (%d)\n", channel_config); @@ -717,6 +732,12 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id) /* For indexed channel configurations map the channels solely based * on position. */ switch (ac->oc[1].m4ac.chan_config) { + case 14: + if (ac->tags_mapped > 2 && ((type == TYPE_CPE && elem_id < 3) || + (type == TYPE_LFE && elem_id < 1))) { + ac->tags_mapped++; + return ac->tag_che_map[type][elem_id] = ac->che[type][elem_id]; + } case 13: if (ac->tags_mapped > 3 && ((type == TYPE_CPE && elem_id < 8) || (type == TYPE_SCE && elem_id < 6) || |