avformat/hashenc: Reuse hash_free() for framehash muxers

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavformat/hashenc.c

@@ -156,6 +156,7 @@ static int hash_write_trailer(struct AVFormatContext *s)
 
     return 0;
 }
+#endif
 
 static void hash_free(struct AVFormatContext *s)
 {
@@ -168,7 +169,6 @@ static void hash_free(struct AVFormatContext *s)
     }
     av_freep(&c->hashes);
 }
-#endif
 
 #if CONFIG_HASH_MUXER
 static const AVClass hashenc_class = {
@@ -326,14 +326,6 @@ static int framehash_write_packet(struct AVFormatContext *s, AVPacket *pkt)
     avio_printf(s->pb, "\n");
     return 0;
 }
-
-static void framehash_free(struct AVFormatContext *s)
-{
-    struct HashContext *c = s->priv_data;
-    if (c->hashes)
-        av_hash_freep(&c->hashes[0]);
-    av_freep(&c->hashes);
-}
 #endif
 
 #if CONFIG_FRAMEHASH_MUXER
@@ -353,7 +345,7 @@ AVOutputFormat ff_framehash_muxer = {
     .init              = framehash_init,
     .write_header      = framehash_write_header,
     .write_packet      = framehash_write_packet,
-    .deinit            = framehash_free,
+    .deinit            = hash_free,
     .flags             = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT |
                          AVFMT_TS_NEGATIVE,
     .priv_class        = &framehash_class,
@@ -377,7 +369,7 @@ AVOutputFormat ff_framemd5_muxer = {
     .init              = framehash_init,
     .write_header      = framehash_write_header,
     .write_packet      = framehash_write_packet,
-    .deinit            = framehash_free,
+    .deinit            = hash_free,
     .flags             = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT |
                          AVFMT_TS_NEGATIVE,
     .priv_class        = &framemd5_class,