avcodec/evc_parse: make freeing EVCParserContext buffers a shared function

Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/evc_parse.c

@@ -765,3 +765,10 @@ int ff_evc_parse_nal_unit(EVCParserContext *ctx, const uint8_t *buf, int buf_siz
     return 0;
 }
 
+void ff_evc_parse_free(EVCParserContext *ctx) {
+    for (int i = 0; i < EVC_MAX_SPS_COUNT; i++)
+        av_freep(&ctx->sps[i]);
+
+    for (int i = 0; i < EVC_MAX_PPS_COUNT; i++)
+        av_freep(&ctx->pps[i]);
+}

libavcodec/evc_parse.h

@@ -350,4 +350,6 @@ EVCParserPPS *ff_evc_parse_pps(EVCParserContext *ctx, const uint8_t *bs, int bs_
 
 int ff_evc_parse_nal_unit(EVCParserContext *ctx, const uint8_t *buf, int buf_size, void *logctx);
 
+void ff_evc_parse_free(EVCParserContext *ctx);
+
 #endif /* AVCODEC_EVC_PARSE_H */

libavcodec/evc_parser.c

@@ -202,16 +202,7 @@ static void evc_parser_close(AVCodecParserContext *s)
 {
     EVCParserContext *ctx = s->priv_data;
 
-    for(int i = 0; i < EVC_MAX_SPS_COUNT; i++) {
-        EVCParserSPS *sps = ctx->sps[i];
-        av_freep(&sps);
-    }
-
-    for(int i = 0; i < EVC_MAX_PPS_COUNT; i++) {
-        EVCParserPPS *pps = ctx->pps[i];
-
-        av_freep(&pps);
-    }
+    ff_evc_parse_free(ctx);
 }
 
 const AVCodecParser ff_evc_parser = {