avformat: move priv_pts from AVStream to an internal struct

It has no reason to be in a public header, even if defined as private.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

libavformat/avformat.h

@@ -1200,8 +1200,6 @@ typedef struct AVStream {
      */
     AVRational display_aspect_ratio;
 
-    struct FFFrac *priv_pts;
-
     /**
      * An opaque field for libavformat internal usage.
      * Must not be accessed in any way by callers.

libavformat/internal.h

@@ -196,6 +196,8 @@ struct AVStreamInternal {
      * Whether the internal avctx needs to be updated from codecpar (after a late change to codecpar)
      */
     int need_context_update;
+
+    FFFrac *priv_pts;
 };
 
 #ifdef __GNUC__

libavformat/mux.c

@@ -432,16 +432,16 @@ static int init_pts(AVFormatContext *s)
             break;
         }
 
-        if (!st->priv_pts)
-            st->priv_pts = av_mallocz(sizeof(*st->priv_pts));
-        if (!st->priv_pts)
+        if (!st->internal->priv_pts)
+            st->internal->priv_pts = av_mallocz(sizeof(*st->internal->priv_pts));
+        if (!st->internal->priv_pts)
             return AVERROR(ENOMEM);
 
         if (den != AV_NOPTS_VALUE) {
             if (den <= 0)
                 return AVERROR_INVALIDDATA;
 
-            frac_init(st->priv_pts, 0, 0, den);
+            frac_init(st->internal->priv_pts, 0, 0, den);
         }
     }
 
@@ -601,7 +601,7 @@ static int compute_muxer_pkt_fields(AVFormatContext *s, AVStream *st, AVPacket *
         }
         pkt->dts =
 //        pkt->pts= st->cur_dts;
-            pkt->pts = st->priv_pts->val;
+            pkt->pts = st->internal->priv_pts->val;
     }
 
     //calculate dts from pts
@@ -638,7 +638,7 @@ static int compute_muxer_pkt_fields(AVFormatContext *s, AVStream *st, AVPacket *
             av_ts2str(pkt->pts), av_ts2str(pkt->dts));
 
     st->cur_dts = pkt->dts;
-    st->priv_pts->val = pkt->dts;
+    st->internal->priv_pts->val = pkt->dts;
 
     /* update pts */
     switch (st->codecpar->codec_type) {
@@ -650,12 +650,12 @@ static int compute_muxer_pkt_fields(AVFormatContext *s, AVStream *st, AVPacket *
         /* HACK/FIXME, we skip the initial 0 size packets as they are most
          * likely equal to the encoder delay, but it would be better if we
          * had the real timestamps from the encoder */
-        if (frame_size >= 0 && (pkt->size || st->priv_pts->num != st->priv_pts->den >> 1 || st->priv_pts->val)) {
-            frac_add(st->priv_pts, (int64_t)st->time_base.den * frame_size);
+        if (frame_size >= 0 && (pkt->size || st->internal->priv_pts->num != st->internal->priv_pts->den >> 1 || st->internal->priv_pts->val)) {
+            frac_add(st->internal->priv_pts, (int64_t)st->time_base.den * frame_size);
         }
         break;
     case AVMEDIA_TYPE_VIDEO:
-        frac_add(st->priv_pts, (int64_t)st->time_base.den * st->time_base.num);
+        frac_add(st->internal->priv_pts, (int64_t)st->time_base.den * st->time_base.num);
         break;
     }
     return 0;

libavformat/utils.c

@@ -123,8 +123,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
 int64_t av_stream_get_end_pts(const AVStream *st)
 {
-    if (st->priv_pts) {
-        return st->priv_pts->val;
+    if (st->internal->priv_pts) {
+        return st->internal->priv_pts->val;
     } else
         return AV_NOPTS_VALUE;
 }
@@ -4263,6 +4263,7 @@ static void free_stream(AVStream **pst)
             av_bsf_free(&st->internal->bsfcs[i]);
             av_freep(&st->internal->bsfcs);
         }
+        av_freep(&st->internal->priv_pts);
         av_bsf_free(&st->internal->extract_extradata.bsf);
         av_packet_free(&st->internal->extract_extradata.pkt);
     }
@@ -4282,7 +4283,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
         av_freep(&st->info->duration_error);
     av_freep(&st->info);
     av_freep(&st->recommended_encoder_configuration);
-    av_freep(&st->priv_pts);
 
     av_freep(pst);
 }