avdevice/iec61883: free the private context at the end

[ffmpeg] / libavcodec / mpc8.c

diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c
index 355a9d2f3fb5420319ed0ec819b9d5428f1f0e02..3be2f79a5a1a79d20d52bbc29fc8699f61e4d145 100644 (file)
--- a/libavcodec/mpc8.c
+++ b/libavcodec/mpc8.c
@@ -250,11 +250,6 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data,
     int maxband, keyframe;
     int last[2];
 
-    /* get output buffer */
-    frame->nb_samples = MPC_FRAME_SIZE;
-    if ((res = ff_get_buffer(avctx, frame, 0)) < 0)
-        return res;
-
     keyframe = c->cur_frame == 0;
 
     if(keyframe){
@@ -273,6 +268,11 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data,
         if(maxband > 32) maxband -= 33;
     }
 
+    if (get_bits_left(gb) < 0) {
+        *got_frame_ptr = 0;
+        return buf_size;
+    }
+
     if(maxband > c->maxbands + 1) {
         av_log(avctx, AV_LOG_ERROR, "maxband %d too large\n",maxband);
         return AVERROR_INVALIDDATA;
@@ -410,6 +410,10 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data,
         }
     }
 
+    frame->nb_samples = MPC_FRAME_SIZE;
+    if ((res = ff_get_buffer(avctx, frame, 0)) < 0)
+        return res;
+
     ff_mpc_dequantize_and_synth(c, maxband - 1,
                                 (int16_t **)frame->extended_data,
                                 avctx->channels);