diff options
Diffstat (limited to 'ffmpeg/libavcodec/alacenc.c')
| -rw-r--r-- | ffmpeg/libavcodec/alacenc.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/ffmpeg/libavcodec/alacenc.c b/ffmpeg/libavcodec/alacenc.c index 4ee558c..bc68a06 100644 --- a/ffmpeg/libavcodec/alacenc.c +++ b/ffmpeg/libavcodec/alacenc.c @@ -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 = avcodec_alloc_frame(); - if (!avctx->coded_frame) { - ret = AVERROR(ENOMEM); - goto error; - } - s->avctx = avctx; if ((ret = ff_lpc_init(&s->lpc_ctx, avctx->frame_size, @@ -641,6 +634,7 @@ static int alac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, AVCodec ff_alac_encoder = { .name = "alac", + .long_name = NULL_IF_CONFIG_SMALL("ALAC (Apple Lossless Audio Codec)"), .type = AVMEDIA_TYPE_AUDIO, .id = AV_CODEC_ID_ALAC, .priv_data_size = sizeof(AlacEncodeContext), @@ -652,5 +646,4 @@ AVCodec ff_alac_encoder = { .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_NONE }, - .long_name = NULL_IF_CONFIG_SMALL("ALAC (Apple Lossless Audio Codec)"), }; |