h2645_parse: change the AVCodecContext* parameter to void*

This should make it more clear that it is not supposed to be used for
anything except logging.

libavcodec/h2645_parse.c

@@ -132,7 +132,7 @@ nsc:
  * @return AVERROR_INVALIDDATA if the packet is not a valid NAL unit,
  * 0 if the unit should be skipped, 1 otherwise
  */
-static int hevc_parse_nal_header(H2645NAL *nal, AVCodecContext *avctx)
+static int hevc_parse_nal_header(H2645NAL *nal, void *logctx)
 {
     GetBitContext *gb = &nal->gb;
     int nuh_layer_id;
@@ -147,7 +147,7 @@ static int hevc_parse_nal_header(H2645NAL *nal, AVCodecContext *avctx)
     if (nal->temporal_id < 0)
         return AVERROR_INVALIDDATA;
 
-    av_log(avctx, AV_LOG_DEBUG,
+    av_log(logctx, AV_LOG_DEBUG,
            "nal_unit_type: %d, nuh_layer_id: %dtemporal_id: %d\n",
            nal->type, nuh_layer_id, nal->temporal_id);
 
@@ -156,7 +156,7 @@ static int hevc_parse_nal_header(H2645NAL *nal, AVCodecContext *avctx)
 
 
 int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
-                          AVCodecContext *avctx, int is_nalff, int nal_length_size)
+                          void *logctx, int is_nalff, int nal_length_size)
 {
     int consumed, ret = 0;
 
@@ -173,7 +173,7 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
             length -= nal_length_size;
 
             if (extract_length > length) {
-                av_log(avctx, AV_LOG_ERROR, "Invalid NAL unit size.\n");
+                av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit size.\n");
                 return AVERROR_INVALIDDATA;
             }
         } else {
@@ -211,10 +211,10 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
         if (ret < 0)
             return ret;
 
-        ret = hevc_parse_nal_header(nal, avctx);
+        ret = hevc_parse_nal_header(nal, logctx);
         if (ret <= 0) {
             if (ret < 0) {
-                av_log(avctx, AV_LOG_ERROR, "Invalid NAL unit %d, skipping.\n",
+                av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit %d, skipping.\n",
                        nal->type);
             }
             pkt->nb_nals--;

libavcodec/h2645_parse.h

@@ -59,7 +59,7 @@ int ff_h2645_extract_rbsp(const uint8_t *src, int length,
  * Split an input packet into NAL units.
  */
 int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
-                          AVCodecContext *avctx, int is_nalff, int nal_length_size);
+                          void *logctx, int is_nalff, int nal_length_size);
 
 /**
  * Free all the allocated memory in the packet.