[FFmpeg-cvslog] ffmpeg: add last_mux_dts_plus_duration

Michael Niedermayer git at videolan.org
Mon May 19 15:36:40 CEST 2014


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon May 19 15:28:19 2014 +0200| [87f5ede6b52e7d49c823bc070335821b489903e0] | committer: Michael Niedermayer

ffmpeg: add last_mux_dts_plus_duration

Fixes 1 frame error in the duration and derived values,
introduced by not using AVStream.pts in the previous commit

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=87f5ede6b52e7d49c823bc070335821b489903e0
---

 ffmpeg.c     |   10 +++++++---
 ffmpeg.h     |    1 +
 ffmpeg_opt.c |    1 +
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index 46823db..aa30cd0 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -658,8 +658,12 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
         pkt->dts = max;
       }
     }
+    ost->last_mux_dts_plus_duration =
     ost->last_mux_dts = pkt->dts;
 
+    if (ost->last_mux_dts_plus_duration != AV_NOPTS_VALUE)
+        ost->last_mux_dts_plus_duration += pkt->duration;
+
     ost->data_size += pkt->size;
     ost->packets_written++;
 
@@ -1102,7 +1106,7 @@ static void do_video_stats(OutputStream *ost, int frame_size)
 
         fprintf(vstats_file,"f_size= %6d ", frame_size);
         /* compute pts value */
-        ti1 = ost->last_mux_dts * av_q2d(enc->time_base);
+        ti1 = ost->last_mux_dts_plus_duration * av_q2d(enc->time_base);
         if (ti1 < 0.01)
             ti1 = 0.01;
 
@@ -1414,8 +1418,8 @@ static void print_report(int is_last_report, int64_t timer_start, int64_t cur_ti
             vid = 1;
         }
         /* compute min output value */
-        if (ost->last_mux_dts != AV_NOPTS_VALUE)
-            pts = FFMAX(pts, av_rescale_q(ost->last_mux_dts,
+        if (ost->last_mux_dts_plus_duration != AV_NOPTS_VALUE)
+            pts = FFMAX(pts, av_rescale_q(ost->last_mux_dts_plus_duration,
                                           ost->st->time_base, AV_TIME_BASE_Q));
     }
 
diff --git a/ffmpeg.h b/ffmpeg.h
index 41d6663..01b983d 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -378,6 +378,7 @@ typedef struct OutputStream {
     int64_t first_pts;
     /* dts of the last packet sent to the muxer */
     int64_t last_mux_dts;
+    int64_t last_mux_dts_plus_duration;
     AVBitStreamFilterContext *bitstream_filters;
     AVCodec *enc;
     int64_t max_frames;
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 8e3873c..6f45785 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1152,6 +1152,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
         input_streams[source_index]->st->discard = AVDISCARD_NONE;
     }
     ost->last_mux_dts = AV_NOPTS_VALUE;
+    ost->last_mux_dts_plus_duration = AV_NOPTS_VALUE;
 
     return ost;
 }



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