diff options
Diffstat (limited to 'libavcodec/flacenc.c')
| -rw-r--r-- | libavcodec/flacenc.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c index c39a721642..4df3a1b11b 100644 --- a/libavcodec/flacenc.c +++ b/libavcodec/flacenc.c @@ -2,20 +2,20 @@ * FLAC audio encoder * Copyright (c) 2006 Justin Ruggles <justin.ruggles@gmail.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 */ @@ -439,6 +439,28 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) if (!avctx->coded_frame) return AVERROR(ENOMEM); + if (channels == 3 && + avctx->channel_layout != (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER) || + channels == 4 && + avctx->channel_layout != AV_CH_LAYOUT_2_2 && + avctx->channel_layout != AV_CH_LAYOUT_QUAD || + channels == 5 && + avctx->channel_layout != AV_CH_LAYOUT_5POINT0 && + avctx->channel_layout != AV_CH_LAYOUT_5POINT0_BACK || + channels == 6 && + avctx->channel_layout != AV_CH_LAYOUT_5POINT1 && + avctx->channel_layout != AV_CH_LAYOUT_5POINT1_BACK) { + if (avctx->channel_layout) { + av_log(avctx, AV_LOG_ERROR, "Channel layout not supported by Flac, " + "output stream will have incorrect " + "channel layout.\n"); + } else { + av_log(avctx, AV_LOG_WARNING, "No channel layout specified. The encoder " + "will use Flac channel layout for " + "%d channels.\n", channels); + } + } + ret = ff_lpc_init(&s->lpc_ctx, avctx->frame_size, s->options.max_prediction_order, FF_LPC_TYPE_LEVINSON); @@ -1364,7 +1386,7 @@ AVCodec ff_flac_encoder = { .init = flac_encode_init, .encode = flac_encode_frame, .close = flac_encode_close, - .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY, + .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY | CODEC_CAP_LOSSLESS, .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE}, .long_name = NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"), .priv_class = &flac_encoder_class, |