h264: merge ff_h264_free_context() into h264_decode_end()

It is no longer called from outside the h264 decoder.

libavcodec/h264.c

@@ -323,6 +323,39 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
     return 0;
 }
 
+static av_cold int h264_decode_end(AVCodecContext *avctx)
+{
+    H264Context *h = avctx->priv_data;
+    int i;
+
+    ff_h264_free_tables(h);
+
+    for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
+        ff_h264_unref_picture(h, &h->DPB[i]);
+        av_frame_free(&h->DPB[i].f);
+    }
+
+    h->cur_pic_ptr = NULL;
+
+    for (i = 0; i < h->nb_slice_ctx; i++)
+        av_freep(&h->slice_ctx[i].rbsp_buffer);
+    av_freep(&h->slice_ctx);
+    h->nb_slice_ctx = 0;
+
+    for (i = 0; i < MAX_SPS_COUNT; i++)
+        av_buffer_unref(&h->ps.sps_list[i]);
+
+    for (i = 0; i < MAX_PPS_COUNT; i++)
+        av_buffer_unref(&h->ps.pps_list[i]);
+
+    ff_h2645_packet_uninit(&h->pkt);
+
+    ff_h264_unref_picture(h, &h->cur_pic);
+    av_frame_free(&h->cur_pic.f);
+
+    return 0;
+}
+
 static AVOnce h264_vlc_init = AV_ONCE_INIT;
 
 av_cold int ff_h264_decode_init(AVCodecContext *avctx)
@@ -351,7 +384,7 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
                                       &h->ps, &h->is_avc, &h->nal_length_size,
                                       avctx->err_recognition, avctx);
        if (ret < 0) {
-           ff_h264_free_context(h);
+           h264_decode_end(avctx);
            return ret;
        }
     }
@@ -1064,45 +1097,6 @@ out:
     return get_consumed_bytes(buf_index, buf_size);
 }
 
-av_cold void ff_h264_free_context(H264Context *h)
-{
-    int i;
-
-    ff_h264_free_tables(h);
-
-    for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
-        ff_h264_unref_picture(h, &h->DPB[i]);
-        av_frame_free(&h->DPB[i].f);
-    }
-
-    h->cur_pic_ptr = NULL;
-
-    for (i = 0; i < h->nb_slice_ctx; i++)
-        av_freep(&h->slice_ctx[i].rbsp_buffer);
-    av_freep(&h->slice_ctx);
-    h->nb_slice_ctx = 0;
-
-    for (i = 0; i < MAX_SPS_COUNT; i++)
-        av_buffer_unref(&h->ps.sps_list[i]);
-
-    for (i = 0; i < MAX_PPS_COUNT; i++)
-        av_buffer_unref(&h->ps.pps_list[i]);
-
-    ff_h2645_packet_uninit(&h->pkt);
-}
-
-static av_cold int h264_decode_end(AVCodecContext *avctx)
-{
-    H264Context *h = avctx->priv_data;
-
-    ff_h264_free_context(h);
-
-    ff_h264_unref_picture(h, &h->cur_pic);
-    av_frame_free(&h->cur_pic.f);
-
-    return 0;
-}
-
 #define OFFSET(x) offsetof(H264Context, x)
 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
 static const AVOption h264_options[] = {

libavcodec/h264.h

@@ -668,12 +668,6 @@ int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
 int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
                                          H264ParamSets *ps, int bit_length);
 
-/**
- * Free any data that may have been allocated in the H264 context
- * like SPS, PPS etc.
- */
-void ff_h264_free_context(H264Context *h);
-
 /**
  * Reconstruct bitstream slice_type.
  */