avformat/matroskadec: factor the prores packet parsing code out

[ffmpeg] / doc / examples / hw_decode.c

diff --git a/doc/examples/hw_decode.c b/doc/examples/hw_decode.c
index 83a5808bf7f9078b4c9e658713f62310ec93f57b..77ae8df35b5af79e7412786e799f853e666805a8 100644 (file)
--- a/doc/examples/hw_decode.c
+++ b/doc/examples/hw_decode.c
@@ -86,7 +86,7 @@ static int decode_write(AVCodecContext *avctx, AVPacket *packet)
         return ret;
     }
 
-    while (ret >= 0) {
+    while (1) {
         if (!(frame = av_frame_alloc()) || !(sw_frame = av_frame_alloc())) {
             fprintf(stderr, "Can not alloc frame\n");
             ret = AVERROR(ENOMEM);
@@ -138,13 +138,10 @@ static int decode_write(AVCodecContext *avctx, AVPacket *packet)
     fail:
         av_frame_free(&frame);
         av_frame_free(&sw_frame);
-        if (buffer)
-            av_freep(&buffer);
+        av_freep(&buffer);
         if (ret < 0)
             return ret;
     }
-
-    return 0;
 }
 
 int main(int argc, char *argv[])
@@ -163,8 +160,6 @@ int main(int argc, char *argv[])
         return -1;
     }
 
-    av_register_all();
-
     type = av_hwdevice_find_type_by_name(argv[1]);
     if (type == AV_HWDEVICE_TYPE_NONE) {
         fprintf(stderr, "Device type %s is not supported.\n", argv[1]);