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-rw-r--r--libavformat/mmf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/mmf.c b/libavformat/mmf.c
index 06d4a2b277..20570f2812 100644
--- a/libavformat/mmf.c
+++ b/libavformat/mmf.c
@@ -18,6 +18,8 @@
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+#include "libavutil/channel_layout.h"
#include "avformat.h"
#include "internal.h"
#include "avio_internal.h"
@@ -249,6 +251,7 @@ static int mmf_read_header(AVFormatContext *s)
st->codec->codec_id = AV_CODEC_ID_ADPCM_YAMAHA;
st->codec->sample_rate = rate;
st->codec->channels = 1;
+ st->codec->channel_layout = AV_CH_LAYOUT_MONO;
st->codec->bits_per_coded_sample = 4;
st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_coded_sample;