X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fadpcm.c;h=c176b5e03deaad3025b8ee47192d43ca1a27040a;hb=4640da7e58509996ff03b1a0b018ca8f337391c7;hp=688fba430c07e6d052517385b9f9eb66395d96f7;hpb=484e59a0a0329c4005ddacd05051925345f4362f;p=ffmpeg

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 688fba430c0..c176b5e03de 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -91,9 +91,13 @@ typedef struct ADPCMDecodeContext {
 static av_cold int adpcm_decode_init(AVCodecContext * avctx)
 {
     ADPCMDecodeContext *c = avctx->priv_data;
+    unsigned int min_channels = 1;
     unsigned int max_channels = 2;
 
     switch(avctx->codec->id) {
+    case CODEC_ID_ADPCM_EA:
+        min_channels = 2;
+        break;
     case CODEC_ID_ADPCM_EA_R1:
     case CODEC_ID_ADPCM_EA_R2:
     case CODEC_ID_ADPCM_EA_R3:
@@ -101,7 +105,7 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
         max_channels = 6;
         break;
     }
-    if (avctx->channels <= 0 || avctx->channels > max_channels) {
+    if (avctx->channels < min_channels || avctx->channels > max_channels) {
         av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
         return AVERROR(EINVAL);
     }