XMV_AUDIO_ADPCM51_FRONTCENTERLOW | \
XMV_AUDIO_ADPCM51_REARLEFTRIGHT)
+#define XMV_BLOCK_ALIGN_SIZE 36
+
typedef struct XMVAudioTrack {
uint16_t compression;
uint16_t channels;
track->bit_rate = track->bits_per_sample *
track->sample_rate *
track->channels;
- track->block_align = 36 * track->channels;
+ track->block_align = XMV_BLOCK_ALIGN_SIZE * track->channels;
track->block_samples = 64;
track->codec_id = ff_wav_codec_get_id(track->compression,
track->bits_per_sample);
av_log(s, AV_LOG_WARNING, "Unsupported 5.1 ADPCM audio stream "
"(0x%04X)\n", track->flags);
- if (!track->channels || !track->sample_rate) {
+ if (!track->channels || !track->sample_rate ||
+ track->channels >= UINT16_MAX / XMV_BLOCK_ALIGN_SIZE) {
av_log(s, AV_LOG_ERROR, "Invalid parameters for audio track %d.\n",
audio_track);
ret = AVERROR_INVALIDDATA;