[FFmpeg-devel] [PATCH 17/18] lavf: move AVStream.last_IP_* to AVStreamInternal

Anton Khirnov anton at khirnov.net
Fri Oct 9 16:04:29 EEST 2020


Those are private fields, no reason to have them exposed in a public
header.
---
 libavformat/avformat.h |  4 ++--
 libavformat/internal.h |  3 +++
 libavformat/nutdec.c   |  2 +-
 libavformat/utils.c    | 20 ++++++++++----------
 4 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 6168062ce1..a01912d654 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1040,10 +1040,10 @@ typedef struct AVStream {
      */
     int64_t first_dts;
     int64_t cur_dts;
-    int64_t last_IP_pts;
-    int last_IP_duration;
 
 #if LIBAVFORMAT_VERSION_MAJOR < 59
+    int64_t      unused12;
+    int          unused13;
     // kept for ABI compatibility only, do not access in any way
     int          unused10;
     int          unused11;
diff --git a/libavformat/internal.h b/libavformat/internal.h
index edc8bbae80..a8c8a10d4b 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -357,6 +357,9 @@ struct AVStreamInternal {
      * Number of frames that have been demuxed during avformat_find_stream_info()
      */
     int codec_info_nb_frames;
+
+    int64_t last_IP_pts;
+    int last_IP_duration;
 };
 
 #ifdef __GNUC__
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 53a052503e..f8c11d270f 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -1086,7 +1086,7 @@ static int decode_frame(NUTContext *nut, AVPacket *pkt, int frame_code)
         stc->skip_until_key_frame = 0;
 
     discard     = s->streams[stream_id]->discard;
-    last_IP_pts = s->streams[stream_id]->last_IP_pts;
+    last_IP_pts = s->streams[stream_id]->internal->last_IP_pts;
     if ((discard >= AVDISCARD_NONKEY && !(stc->last_flags & FLAG_KEY)) ||
         (discard >= AVDISCARD_BIDIR  && last_IP_pts != AV_NOPTS_VALUE &&
          last_IP_pts > pts) ||
diff --git a/libavformat/utils.c b/libavformat/utils.c
index c0ba07d288..8be6400f11 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1316,28 +1316,28 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
             /* DTS = decompression timestamp */
             /* PTS = presentation timestamp */
             if (pkt->dts == AV_NOPTS_VALUE)
-                pkt->dts = st->last_IP_pts;
+                pkt->dts = st->internal->last_IP_pts;
             update_initial_timestamps(s, pkt->stream_index, pkt->dts, pkt->pts, pkt);
             if (pkt->dts == AV_NOPTS_VALUE)
                 pkt->dts = st->cur_dts;
 
             /* This is tricky: the dts must be incremented by the duration
              * of the frame we are displaying, i.e. the last I- or P-frame. */
-            if (st->last_IP_duration == 0 && (uint64_t)pkt->duration <= INT32_MAX)
-                st->last_IP_duration = pkt->duration;
+            if (st->internal->last_IP_duration == 0 && (uint64_t)pkt->duration <= INT32_MAX)
+                st->internal->last_IP_duration = pkt->duration;
             if (pkt->dts != AV_NOPTS_VALUE)
-                st->cur_dts = av_sat_add64(pkt->dts, st->last_IP_duration);
+                st->cur_dts = av_sat_add64(pkt->dts, st->internal->last_IP_duration);
             if (pkt->dts != AV_NOPTS_VALUE &&
                 pkt->pts == AV_NOPTS_VALUE &&
-                st->last_IP_duration > 0 &&
+                st->internal->last_IP_duration > 0 &&
                 ((uint64_t)st->cur_dts - (uint64_t)next_dts + 1) <= 2 &&
                 next_dts != next_pts &&
                 next_pts != AV_NOPTS_VALUE)
                 pkt->pts = next_dts;
 
             if ((uint64_t)pkt->duration <= INT32_MAX)
-                st->last_IP_duration = pkt->duration;
-            st->last_IP_pts      = pkt->pts;
+                st->internal->last_IP_duration = pkt->duration;
+            st->internal->last_IP_pts      = pkt->pts;
             /* Cannot compute PTS if not present (we can compute it only
              * by knowing the future. */
         } else if (pkt->pts != AV_NOPTS_VALUE ||
@@ -1874,7 +1874,7 @@ void ff_read_frame_flush(AVFormatContext *s)
             av_parser_close(st->internal->parser);
             st->internal->parser = NULL;
         }
-        st->last_IP_pts = AV_NOPTS_VALUE;
+        st->internal->last_IP_pts = AV_NOPTS_VALUE;
         st->internal->last_dts_for_order_check = AV_NOPTS_VALUE;
         if (st->first_dts == AV_NOPTS_VALUE)
             st->cur_dts = RELATIVE_TS_BASE;
@@ -2863,7 +2863,7 @@ skip_duration_calc:
 
         st              = ic->streams[i];
         st->cur_dts     = st->first_dts;
-        st->last_IP_pts = AV_NOPTS_VALUE;
+        st->internal->last_IP_pts = AV_NOPTS_VALUE;
         st->internal->last_dts_for_order_check = AV_NOPTS_VALUE;
         for (j = 0; j < MAX_REORDER_DELAY + 1; j++)
             st->internal->pts_buffer[j] = AV_NOPTS_VALUE;
@@ -4523,7 +4523,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     st->internal->pts_wrap_reference = AV_NOPTS_VALUE;
     st->internal->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
 
-    st->last_IP_pts = AV_NOPTS_VALUE;
+    st->internal->last_IP_pts = AV_NOPTS_VALUE;
     st->internal->last_dts_for_order_check = AV_NOPTS_VALUE;
     for (i = 0; i < MAX_REORDER_DELAY + 1; i++)
         st->internal->pts_buffer[i] = AV_NOPTS_VALUE;
-- 
2.28.0



More information about the ffmpeg-devel mailing list