ffmpeg | branch: master | Zane van Iperen <z...@zanevaniperen.com> | Sat Jun 20 10:59:14 2020 +0000| [b35968e06078c452cac562e016df5b39c3945176] | committer: Michael Niedermayer
avcodec/adpcm_ima_apm: support new extradata format Signed-off-by: Zane van Iperen <z...@zanevaniperen.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b35968e06078c452cac562e016df5b39c3945176 --- libavcodec/adpcm.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 79c5d625d1..4de4a23289 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -162,11 +162,18 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx) } break; case AV_CODEC_ID_ADPCM_IMA_APM: - if (avctx->extradata && avctx->extradata_size >= 16) { - c->status[0].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 0), 18); - c->status[0].step_index = av_clip(AV_RL32(avctx->extradata + 4), 0, 88); - c->status[1].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 8), 18); - c->status[1].step_index = av_clip(AV_RL32(avctx->extradata + 12), 0, 88); + if (avctx->extradata) { + if (avctx->extradata_size >= 28) { + c->status[0].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 16), 18); + c->status[0].step_index = av_clip(AV_RL32(avctx->extradata + 20), 0, 88); + c->status[1].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 4), 18); + c->status[1].step_index = av_clip(AV_RL32(avctx->extradata + 8), 0, 88); + } else if (avctx->extradata_size >= 16) { + c->status[0].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 0), 18); + c->status[0].step_index = av_clip(AV_RL32(avctx->extradata + 4), 0, 88); + c->status[1].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 8), 18); + c->status[1].step_index = av_clip(AV_RL32(avctx->extradata + 12), 0, 88); + } } break; case AV_CODEC_ID_ADPCM_IMA_WS: _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
