From b9542223a3f338e98e1d795273c2aaae775ae898 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sun, 25 Jul 2010 14:33:16 +0000 Subject: [PATCH] Only 4-bit ADPCM IMA WAV files are supported. Originally committed as revision 24493 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/adpcm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index eb044ba..dbb57e5 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -721,6 +721,12 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx) case CODEC_ID_ADPCM_CT: c->status[0].step = c->status[1].step = 511; break; + case CODEC_ID_ADPCM_IMA_WAV: + if (avctx->bits_per_coded_sample != 4) { + av_log(avctx, AV_LOG_ERROR, "Only 4-bit ADPCM IMA WAV files are supported\n"); + return -1; + } + break; case CODEC_ID_ADPCM_IMA_WS: if (avctx->extradata && avctx->extradata_size == 2 * 4) { c->status[0].predictor = AV_RL32(avctx->extradata); -- 2.7.4