[FFmpeg-devel] [PATCH] yuv4mpeg: add rough duration estimate and seeking.

[Michael Niedermayer]

On Sun, Jun 21, 2015 at 04:41:23PM -0400, Ronald S. Bultje wrote:
> ---
>  libavformat/yuv4mpeg.h    |  1 +
>  libavformat/yuv4mpegdec.c | 26 +++++++++++++++++++-------
>  2 files changed, 20 insertions(+), 7 deletions(-)

this needs to update the reference checksum for
fate-seek-lavf-yuv4mpeg assuming the change is intended


--- ./tests/ref/seek/lavf-yuv4mpeg      2015-06-20 16:32:37.183978941 +0200
+++ tests/data/fate/seek-lavf-yuv4mpeg  2015-06-22 00:38:43.982413616 +0200
@@ -1,27 +1,53 @@
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     64 size:152064
-ret:-1         st:-1 flags:0  ts:-1.000000
-ret:-1         st:-1 flags:1  ts: 1.894167
-ret:-1         st: 0 flags:0  ts: 0.800000
-ret:-1         st: 0 flags:1  ts:-0.320000
-ret:-1         st:-1 flags:0  ts: 2.576668
-ret:-1         st:-1 flags:1  ts: 1.470835
-ret:-1         st: 0 flags:0  ts: 0.360000
-ret:-1         st: 0 flags:1  ts:-0.760000
-ret:-1         st:-1 flags:0  ts: 2.153336
-ret:-1         st:-1 flags:1  ts: 1.047503
-ret:-1         st: 0 flags:0  ts:-0.040000
-ret:-1         st: 0 flags:1  ts: 2.840000
-ret:-1         st:-1 flags:0  ts: 1.730004
-ret:-1         st:-1 flags:1  ts: 0.624171
-ret:-1         st: 0 flags:0  ts:-0.480000
-ret:-1         st: 0 flags:1  ts: 2.400000
-ret:-1         st:-1 flags:0  ts: 1.306672
-ret:-1         st:-1 flags:1  ts: 0.200839
-ret:-1         st: 0 flags:0  ts:-0.920000
-ret:-1         st: 0 flags:1  ts: 2.000000
-ret:-1         st:-1 flags:0  ts: 0.883340
-ret:-1         st:-1 flags:1  ts:-0.222493
-ret:-1         st: 0 flags:0  ts: 2.680000
-ret:-1         st: 0 flags:1  ts: 1.560000
-ret:-1         st:-1 flags:0  ts: 0.460008
-ret:-1         st:-1 flags:1  ts:-0.645825
+ret: 0         st:-1 flags:0  ts:-1.000000
+ret: 0         st: 0 flags:1 dts: 0.040000 pts: 0.040000 pos: 152134 size:152064
+ret: 0         st:-1 flags:1  ts: 1.894167
+ret:-EOF
+ret: 0         st: 0 flags:0  ts: 0.800000
+ret: 0         st: 0 flags:1 dts: 0.800000 pts: 0.800000 pos:3041464 size:152064
+ret: 0         st: 0 flags:1  ts:-0.320000
+ret: 0         st: 0 flags:1 dts: 0.840000 pts: 0.840000 pos:3193534 size:152064
+ret: 0         st:-1 flags:0  ts: 2.576668
+ret:-EOF
+ret: 0         st:-1 flags:1  ts: 1.470835
+ret:-EOF
+ret: 0         st: 0 flags:0  ts: 0.360000
+ret: 0         st: 0 flags:1 dts: 0.360000 pts: 0.360000 pos:1368694 size:152064
+ret: 0         st: 0 flags:1  ts:-0.760000
+ret: 0         st: 0 flags:1 dts: 0.400000 pts: 0.400000 pos:1520764 size:152064
+ret: 0         st:-1 flags:0  ts: 2.153336
+ret:-EOF
+ret: 0         st:-1 flags:1  ts: 1.047503
+ret:-EOF
+ret: 0         st: 0 flags:0  ts:-0.040000
+ret:-EOF
+ret: 0         st: 0 flags:1  ts: 2.840000
+ret:-EOF
+ret: 0         st:-1 flags:0  ts: 1.730004
+ret:-EOF
+ret: 0         st:-1 flags:1  ts: 0.624171
+ret: 0         st: 0 flags:1 dts: 0.640000 pts: 0.640000 pos:2433184 size:152064
+ret: 0         st: 0 flags:0  ts:-0.480000
+ret: 0         st: 0 flags:1 dts: 0.680000 pts: 0.680000 pos:2585254 size:152064
+ret: 0         st: 0 flags:1  ts: 2.400000
+ret:-EOF
+ret: 0         st:-1 flags:0  ts: 1.306672
+ret:-EOF
+ret: 0         st:-1 flags:1  ts: 0.200839
+ret: 0         st: 0 flags:1 dts: 0.200000 pts: 0.200000 pos: 760414 size:152064
+ret: 0         st: 0 flags:0  ts:-0.920000
+ret: 0         st: 0 flags:1 dts: 0.240000 pts: 0.240000 pos: 912484 size:152064
+ret: 0         st: 0 flags:1  ts: 2.000000
+ret:-EOF
+ret: 0         st:-1 flags:0  ts: 0.883340
+ret: 0         st: 0 flags:1 dts: 0.880000 pts: 0.880000 pos:3345604 size:152064
+ret: 0         st:-1 flags:1  ts:-0.222493
+ret: 0         st: 0 flags:1 dts: 0.920000 pts: 0.920000 pos:3497674 size:152064
+ret: 0         st: 0 flags:0  ts: 2.680000
+ret:-EOF
+ret: 0         st: 0 flags:1  ts: 1.560000
+ret:-EOF
+ret: 0         st:-1 flags:0  ts: 0.460008
+ret: 0         st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos:1824904 size:152064
+ret: 0         st:-1 flags:1  ts:-0.645825
+ret: 0         st: 0 flags:1 dts: 0.520000 pts: 0.520000 pos:1976974 size:152064
Test seek-lavf-yuv4mpeg failed. Look at tests/data/fate/seek-lavf-yuv4mpeg.err for details.
make: *** [fate-seek-lavf-yuv4mpeg] Error 1
make: *** Waiting for unfinished jobs....



[....]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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