Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / dpcm.c

diff --git a/libavcodec/dpcm.c b/libavcodec/dpcm.c
index 929458a22b2d4d6a1eed2345c76daf329e652bbb..4915223bc877a665732a55c39e54716cf1ce8987 100644 (file)
--- a/libavcodec/dpcm.c
+++ b/libavcodec/dpcm.c
@@ -183,6 +183,11 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void *data,
     int stereo = s->channels - 1;
     int16_t *output_samples;
 
+    if (stereo && (buf_size & 1)) {
+        buf_size--;
+        buf_end--;
+    }
+
     /* calculate output size */
     switch(avctx->codec->id) {
     case CODEC_ID_ROQ_DPCM:
@@ -205,9 +210,12 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void *data,
         av_log(avctx, AV_LOG_ERROR, "packet is too small\n");
         return AVERROR(EINVAL);
     }
+    if (out % s->channels) {
+        av_log(avctx, AV_LOG_WARNING, "channels have differing number of samples\n");
+    }
 
     /* get output buffer */
-    s->frame.nb_samples = out / s->channels;
+    s->frame.nb_samples = (out + s->channels - 1) / s->channels;
     if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
@@ -317,7 +325,7 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void *data,
     *got_frame_ptr   = 1;
     *(AVFrame *)data = s->frame;
 
-    return buf_size;
+    return avpkt->size;
 }
 
 #define DPCM_DECODER(id_, name_, long_name_)                \