diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c index a7b3e4bdfa..5ab0f1ff6e 100644 --- a/libavcodec/aacenc.c +++ b/libavcodec/aacenc.c @@ -135,15 +135,6 @@ static const uint8_t aac_chan_configs[6][5] = { {4, TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_LFE}, // 6 channels - front center + stereo + back stereo + LFE }; -static const uint8_t channel_maps[][AAC_MAX_CHANNELS] = { - { 0 }, - { 0, 1 }, - { 2, 0, 1 }, - { 2, 0, 1, 3 }, - { 2, 0, 1, 3, 4 }, - { 2, 0, 1, 4, 5, 3 }, -}; - /** * Make AAC audio config object. * @see 1.6.2.1 "Syntax - AudioSpecificConfig" @@ -511,24 +502,15 @@ static int aac_encode_frame(AVCodecContext *avctx, return 0; if (data) { if (!s->psypp) { - if (avctx->channels <= 2) { - memcpy(s->samples + 1024 * avctx->channels, data, - 1024 * avctx->channels * sizeof(s->samples[0])); - } else { - for (i = 0; i < 1024; i++) - for (ch = 0; ch < avctx->channels; ch++) - s->samples[(i + 1024) * avctx->channels + ch] = - ((int16_t*)data)[i * avctx->channels + - channel_maps[avctx->channels-1][ch]]; - } + memcpy(s->samples + 1024 * avctx->channels, data, + 1024 * avctx->channels * sizeof(s->samples[0])); } else { start_ch = 0; samples2 = s->samples + 1024 * avctx->channels; for (i = 0; i < s->chan_map[0]; i++) { tag = s->chan_map[i+1]; chans = tag == TYPE_CPE ? 2 : 1; - ff_psy_preprocess(s->psypp, - (uint16_t*)data + channel_maps[avctx->channels-1][start_ch], + ff_psy_preprocess(s->psypp, (uint16_t*)data + start_ch, samples2 + start_ch, start_ch, chans); start_ch += chans; } diff --git a/libavcodec/libfaac.c b/libavcodec/libfaac.c index 31dc1a41ed..4758cf7462 100644 --- a/libavcodec/libfaac.c +++ b/libavcodec/libfaac.c @@ -31,13 +31,6 @@ typedef struct FaacAudioContext { faacEncHandle faac_handle; } FaacAudioContext; -static const int channel_maps[][6] = { - { 2, 0, 1 }, //< C L R - { 2, 0, 1, 3 }, //< C L R Cs - { 2, 0, 1, 3, 4 }, //< C L R Ls Rs - { 2, 0, 1, 4, 5, 3 }, //< C L R Ls Rs LFE -}; - static av_cold int Faac_encode_init(AVCodecContext *avctx) { FaacAudioContext *s = avctx->priv_data; @@ -93,9 +86,6 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx) } faac_cfg->outputFormat = 1; faac_cfg->inputFormat = FAAC_INPUT_16BIT; - if (avctx->channels > 2) - memcpy(faac_cfg->channel_map, channel_maps[avctx->channels-3], - avctx->channels * sizeof(int)); avctx->frame_size = samples_input / avctx->channels;