diff options
Diffstat (limited to 'libavcodec/alacenc.c')
| -rw-r--r-- | libavcodec/alacenc.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c index 401f26f66c..bc68a06d25 100644 --- a/libavcodec/alacenc.c +++ b/libavcodec/alacenc.c @@ -2,20 +2,20 @@ * ALAC audio encoder * Copyright (c) 2008 Jaikrishnan Menon <realityman@gmx.net> * - * 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 */ @@ -274,7 +274,7 @@ static void alac_linear_predictor(AlacEncodeContext *s, int ch) // generate warm-up samples residual[0] = samples[0]; for (i = 1; i <= lpc.lpc_order; i++) - residual[i] = samples[i] - samples[i-1]; + residual[i] = sign_extend(samples[i] - samples[i-1], s->write_sample_size); // perform lpc on remaining samples for (i = lpc.lpc_order + 1; i < s->frame_size; i++) { @@ -483,7 +483,6 @@ static av_cold int alac_encode_close(AVCodecContext *avctx) ff_lpc_end(&s->lpc_ctx); av_freep(&avctx->extradata); avctx->extradata_size = 0; - av_freep(&avctx->coded_frame); return 0; } @@ -579,12 +578,6 @@ static av_cold int alac_encode_init(AVCodecContext *avctx) goto error; } - avctx->coded_frame = av_frame_alloc(); - if (!avctx->coded_frame) { - ret = AVERROR(ENOMEM); - goto error; - } - s->avctx = avctx; if ((ret = ff_lpc_init(&s->lpc_ctx, avctx->frame_size, @@ -613,10 +606,8 @@ static int alac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, else max_frame_size = s->max_coded_frame_size; - if ((ret = ff_alloc_packet(avpkt, 2 * max_frame_size))) { - av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n"); + if ((ret = ff_alloc_packet2(avctx, avpkt, 2 * max_frame_size)) < 0) return ret; - } /* use verbatim mode for compression_level 0 */ if (s->compression_level) { |