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-rw-r--r--libavformat/segafilm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c
index adf24759c6..5643f33cc8 100644
--- a/libavformat/segafilm.c
+++ b/libavformat/segafilm.c
@@ -111,6 +111,11 @@ static int film_read_header(AVFormatContext *s)
return AVERROR(EIO);
film->audio_samplerate = AV_RB16(&scratch[24]);
film->audio_channels = scratch[21];
+ if (!film->audio_channels || film->audio_channels > 2) {
+ av_log(s, AV_LOG_ERROR,
+ "Invalid number of channels: %d\n", film->audio_channels);
+ return AVERROR_INVALIDDATA;
+ }
film->audio_bits = scratch[22];
if (scratch[23] == 2)
film->audio_type = AV_CODEC_ID_ADPCM_ADX;