From a188108ebf28ebac9d2b8fc7d5b391aef45698b3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Thu, 4 Jun 2015 15:35:51 +0200 Subject: aac: Support channel configurations 11 and 12 These are defined in ISO/IEC 14496-3:2009/PDAM 4 for 6.1 and 7.1. It also defines another 7.1 layout with configuration 14, that one is not added here for now. 11: 3/3.1 FC FL+FR BL+BR BC LFE 12: 3/2/2.1 FC FL+FR SiL+SiR BL+BR LFE Signed-off-by: Luca Barbato --- libavcodec/aacdec.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'libavcodec/aacdec.c') diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c index 74628d6b14..9d14357086 100644 --- a/libavcodec/aacdec.c +++ b/libavcodec/aacdec.c @@ -507,7 +507,8 @@ static int set_default_channel_config(AVCodecContext *avctx, int *tags, int channel_config) { - if (channel_config < 1 || channel_config > 7) { + if (channel_config < 1 || (channel_config > 7 && channel_config < 11) || + channel_config > 12) { av_log(avctx, AV_LOG_ERROR, "invalid default channel configuration (%d)\n", channel_config); @@ -564,11 +565,19 @@ 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 12: case 7: if (ac->tags_mapped == 3 && type == TYPE_CPE) { ac->tags_mapped++; return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][2]; } + case 11: + if (ac->tags_mapped == 2 && + ac->oc[1].m4ac.chan_config == 11 && + type == TYPE_SCE) { + ac->tags_mapped++; + return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][1]; + } case 6: /* Some streams incorrectly code 5.1 audio as * SCE[0] CPE[0] CPE[1] SCE[1] @@ -2748,7 +2757,7 @@ static int aac_decode_er_frame(AVCodecContext *avctx, void *data, ac->tags_mapped = 0; - if (chan_config < 0 || chan_config >= 8) { + if (chan_config < 0 || (chan_config >= 8 && chan_config < 11) || chan_config >= 13) { avpriv_request_sample(avctx, "Unknown ER channel configuration %d", chan_config); return AVERROR_INVALIDDATA; -- cgit v1.2.1