[FFmpeg-cvslog] ffmpeg: move decoded_frame->pts computation together

Michael Niedermayer git at videolan.org
Thu Jul 26 18:08:15 CEST 2012


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jul 26 17:57:36 2012 +0200| [1a7af514deccc4efa16e8f1dc21d3313e4331ca5] | committer: Michael Niedermayer

ffmpeg: move decoded_frame->pts computation together

This clarifies the code.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1a7af514deccc4efa16e8f1dc21d3313e4331ca5
---

 ffmpeg.c |   36 +++++++++++++++++-------------------
 1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index 6f03b93..06de210 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2417,25 +2417,6 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
         return ret;
     }
 
-    /* if the decoder provides a pts, use it instead of the last packet pts.
-       the decoder could be delaying output by a packet or more. */
-    if (decoded_frame->pts != AV_NOPTS_VALUE) {
-        ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
-        decoded_frame_tb   = avctx->time_base;
-    } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
-        decoded_frame->pts = decoded_frame->pkt_pts;
-        pkt->pts           = AV_NOPTS_VALUE;
-        decoded_frame_tb   = ist->st->time_base;
-    } else if (pkt->pts != AV_NOPTS_VALUE) {
-        decoded_frame->pts = pkt->pts;
-        pkt->pts           = AV_NOPTS_VALUE;
-        decoded_frame_tb   = ist->st->time_base;
-    }else {
-        decoded_frame->pts = ist->dts;
-        decoded_frame_tb   = AV_TIME_BASE_Q;
-    }
-
-
 #if 1
     /* increment next_dts to use for the case where the input stream does not
        have timestamps or there are multiple frames in the packet */
@@ -2498,6 +2479,23 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
             }
     }
 
+    /* if the decoder provides a pts, use it instead of the last packet pts.
+       the decoder could be delaying output by a packet or more. */
+    if (decoded_frame->pts != AV_NOPTS_VALUE) {
+        ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
+        decoded_frame_tb   = avctx->time_base;
+    } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
+        decoded_frame->pts = decoded_frame->pkt_pts;
+        pkt->pts           = AV_NOPTS_VALUE;
+        decoded_frame_tb   = ist->st->time_base;
+    } else if (pkt->pts != AV_NOPTS_VALUE) {
+        decoded_frame->pts = pkt->pts;
+        pkt->pts           = AV_NOPTS_VALUE;
+        decoded_frame_tb   = ist->st->time_base;
+    }else {
+        decoded_frame->pts = ist->dts;
+        decoded_frame_tb   = AV_TIME_BASE_Q;
+    }
     if (decoded_frame->pts != AV_NOPTS_VALUE)
         decoded_frame->pts = av_rescale_q(decoded_frame->pts,
                                           decoded_frame_tb,



More information about the ffmpeg-cvslog mailing list