diff options
Diffstat (limited to 'libavcodec/libfaac.c')
-rw-r--r-- | libavcodec/libfaac.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/libavcodec/libfaac.c b/libavcodec/libfaac.c index 6a74465..cf76dcc 100644 --- a/libavcodec/libfaac.c +++ b/libavcodec/libfaac.c @@ -2,20 +2,20 @@ * Interface to libfaac for aac encoding * Copyright (c) 2002 Gildas Bazin <gbazin@netcourrier.com> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -39,6 +39,12 @@ typedef struct FaacAudioContext { AudioFrameQueue afq; } 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_close(AVCodecContext *avctx) { @@ -118,6 +124,9 @@ 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; @@ -175,10 +184,8 @@ static int Faac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, int num_samples = frame ? frame->nb_samples : 0; void *samples = frame ? frame->data[0] : NULL; - if ((ret = ff_alloc_packet(avpkt, (7 + 768) * avctx->channels))) { - av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n"); + if ((ret = ff_alloc_packet2(avctx, avpkt, (7 + 768) * avctx->channels))) return ret; - } bytes_written = faacEncEncode(s->faac_handle, samples, num_samples * avctx->channels, |