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533 Commits

Author SHA1 Message Date
Chema Gonzalez
7adf7502b8
doc/examples/extract_mvs: add motion information 
Note that the motion information includes subpel motion information

This was likely forgotten in 56bdf61baa04c4fd8d165f34499115ce0aa97c43.

Tested:
```
$ make examples -j
...
$ doc/examples/extract_mvs in.264 | head -40 | \
    csvcut -C framenum,source,flags |csvlook
| blockw | blockh |  srcx | srcy |  dstx | dsty | motion_x | motion_y | motion_scale |
| ------ | ------ | ----- | ---- | ----- | ---- | -------- | -------- | ------------ |
|     16 |     16 |    20 |   26 |     8 |    8 |       49 |       72 |            4 |
|     16 |     16 |   152 |   15 |   136 |    8 |       65 |       28 |            4 |
|     16 |      8 |   360 |    3 |   360 |    4 |        1 |       -6 |            4 |
|     16 |      8 |   360 |   13 |   360 |   12 |       -1 |        4 |            4 |
|     16 |     16 |   440 |   10 |   440 |    8 |        3 |       10 |            4 |
|      8 |     16 |   829 |    7 |   836 |    8 |      -31 |       -6 |            4 |
|      8 |     16 |   844 |    7 |   844 |    8 |       -1 |       -4 |            4 |
|     16 |     16 | 1,004 |   14 | 1,048 |    8 |     -177 |       24 |            4 |
|     16 |     16 | 1,096 |    8 | 1,096 |    8 |       -1 |        0 |            4 |
|     16 |      8 | 1,417 |   24 | 1,416 |    4 |        7 |       82 |            4 |
|     16 |      8 | 1,416 |   13 | 1,416 |   12 |        0 |        6 |            4 |
|     16 |      8 |    87 |   20 |    88 |   20 |       -7 |        0 |            4 |
|     16 |      8 |    99 |   44 |    88 |   28 |       45 |       66 |            4 |
...
```

Also:
```
$ make fate -j
...
```

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-09-23 22:42:19 +02:00
Andreas Unterweger
40f2ea971f doc/examples/transcode_aac: Bump date 
Signed-off-by: Andreas Unterweger <dustsigns@gmail.com>
 2022-05-02 15:01:15 +05:30
Andreas Unterweger
04642de4b4 doc/examples/transcode_aac: AAC encoder is no longer experimental 
Signed-off-by: Andreas Unterweger <dustsigns@gmail.com>
 2022-05-02 15:01:03 +05:30
Andreas Unterweger
3c7382e368 doc/examples/transcode_aac: Set decoder packet timebase 
Previously, the default timebase caused two warnings during decoding about not being able to update timestamps for skipped and discarded samples, respectively.

Signed-off-by: Andreas Unterweger <dustsigns@gmail.com>
 2022-05-02 14:59:38 +05:30
Andreas Unterweger
e13429c9c4 doc/examples/transcode_aac: Don't ignore last encoded frame 
The last encoded frame is now fetched on EOF. It was previously left in the encoder and caused a "1 frame left in queue" warning.

Signed-off-by: Andreas Unterweger <dustsigns@gmail.com>
 2022-05-02 14:56:41 +05:30
Zhao Zhili
d1a44f261a examples/decode_video: flush parser to fix missing frame 
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
 2022-04-22 11:26:51 +08:00
Andreas Rheinhardt
23cb87bb3c doc/examples/muxing: Remove outdated comment 
This comment only applies to the scenario in which one uses
the AVCodecContexts embedded in AVStreams. Yet this code sample
stopped doing so in 9897d9f4e074cdc6c7f2409885ddefe300f18dc7;
and the last major version bump even removed the public
AVCodecContexts in AVStreams. So just remove this comment.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-03-25 19:22:55 +01:00
James Almer
f5ef91e020 doc/examples: convert to new channel layout-API 
Signed-off-by: James Almer <jamrial@gmail.com>
 2022-03-15 09:42:47 -03:00
Chad Fraleigh
a90e41c590 doc/examples/metadata: Constify values from av_dict_get() 
Treat values returned from av_dict_get() as const, since they are
internal to AVDictionary.

Signed-off-by: Chad Fraleigh <chadf@triularity.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-11-18 19:18:01 +01:00
Andreas Rheinhardt
b6aeee2d8b examples/remuxing: Fix use of uninitialized value 
Fixes Coverity ticket 1492326.
Regression since 53f374c08d5cc97158c17ea34b1c8ee0116c0578.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-07 11:59:31 +02:00
Andreas Rheinhardt
9190302b2e examples/qsvdec: Don't use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:50 +02:00
Andreas Rheinhardt
e9182820ad examples/hw_decode: Don't use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
86ec1093eb examples/filtering_video: Don't use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
a75f518b65 examples/filtering_audio: Don't use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
f495604361 examples/extract_mvs: Do not use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
0230d125cb examples/muxing: Don't use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
53f374c08d examples/remuxing: Don't use stack packet 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
78426da3f4 examples/remuxing: Use av_packet_rescale_ts() 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
8a23159797 fftools/ffmpeg, doc/examples: Remove redundant av_packet_unref 
av_interleaved_write_frame() already returns blank packets.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-10-03 20:50:49 +02:00
Andreas Rheinhardt
1ea3650823 Replace all occurences of av_mallocz_array() by av_calloc() 
They do the same.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-09-20 01:03:52 +02:00
Nicolas George
1698cd8422 doc/examples/encode_video: add explanations in comments. 2021-08-20 17:05:10 +02:00
Haihao Xiang
c3ef9e0277 doc/examples/qsvdec: simplify this example via hw_device_ctx interface 
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-08-11 13:47:47 -03:00
Andreas Rheinhardt
1be3d8a0cb avcodec/avcodec: Stop including channel_layout.h in avcodec.h 
Also include channel_layout.h directly wherever used.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-07-22 11:14:31 +02:00
James Almer
ae0863b91d examples/muxing: add missing header 
Fixed compilation broken by e67e02d15672.

Signed-off-by: James Almer <jamrial@gmail.com>
 2021-06-10 21:19:39 -03:00
James Almer
260dc1c5f3 examples/extract_mvs: add missing header 
Fixed compilation broken by e67e02d15672.

Signed-off-by: James Almer <jamrial@gmail.com>
 2021-06-10 21:19:28 -03:00
James Almer
3191bb5c35 examples/demuxing_decoding: add missing header 
Fixed compilation broken by e67e02d15672.

Signed-off-by: James Almer <jamrial@gmail.com>
 2021-06-10 21:19:12 -03:00
Andreas Rheinhardt
3a5412b39e doc/examples/extract_mvs: Explicitly free options 
The user should not rely on all options always being recognized
(in particular not on error).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-06-08 12:52:50 +02:00
Andreas Rheinhardt
933308a290 doc/examples/demuxing_decoding: Remove unused options 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-06-08 12:52:50 +02:00
Andreas Rheinhardt
46dac8cf3d avformat/avformat, utils: Make av_find_best_stream const-correct 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-04-27 10:43:14 -03:00
Andreas Rheinhardt
626535f6a1 avcodec/codec, allcodecs: Constify the AVCodec API 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-04-27 10:43:14 -03:00
Andreas Rheinhardt
56450a0ee4 avformat: Constify the API wrt AV(In|Out)putFormat 
Also constify AVProbeData.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-04-27 10:43:08 -03:00
James Almer
d492b17024 doc/examples/vaapi_transcode: use av_packet_alloc() to allocate packets 
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-03-17 15:19:37 -03:00
James Almer
6394c7d51a doc/examples/vaapi_encode: use av_packet_alloc() to allocate packets 
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-03-17 15:19:37 -03:00
James Almer
b896832b78 doc/examples/transcoding: use av_packet_alloc() to allocate packets 
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-03-17 15:19:37 -03:00
James Almer
16dba17329 doc/examples/transcode_aac: use av_packet_alloc() to allocate packets 
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-03-17 15:19:37 -03:00
James Almer
07b788c8af doc/examples/demuxing_decoding: use av_packet_alloc() to allocate packets 
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-03-17 15:19:37 -03:00
Anton Khirnov
ce0f5397a8 doc/examples/transcoding: switch to the new encoding API 2020-11-20 15:20:24 +01:00
Anton Khirnov
29f33c1076 doc/examples/transcoding: stop constantly allocating AVFrames 
Allocate just one and reuse it.
 2020-11-20 15:20:24 +01:00
Jun Zhao
ef868fa4a1 examples/muxing: misc style fixes 
misc style fixes.

Reviewed-by: Steven Liu <liuqi05@kuaishou.com>
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
 2020-09-28 09:11:21 +08:00
Carl Eugen Hoyos
68f637b6f9 doc/examples: Always open files as "binary", not "text". 
Fixes ticket #8638.
 2020-08-25 18:54:50 +02:00
Anton Khirnov
f30a41a608 Stop hardcoding align=32 in av_frame_get_buffer() calls. 
Use 0, which selects the alignment automatically.
 2020-05-22 14:38:57 +02:00
Anton Khirnov
d8de9d46f2 doc/examples/muxing: convert to new encoding API 2020-05-12 09:37:47 +02:00
Anton Khirnov
3bfe20389d doc/examples/demuxing_decoding: convert to new decoding API 2020-05-12 09:37:47 +02:00
Anton Khirnov
e4edf220e5 doc/examples/demuxing_decoding: drop -refcount 
Non-refcounted frames are deprecated and there is no good reason to use
them.
 2020-05-12 09:37:47 +02:00
Anton Khirnov
15546f772c examples/avio_dir_cmd: drop support for move/delete operations 
They use non-public functions, which is unacceptable for a public API
example. Rename the example back to avio_list_dir.

This effectively reverts c84d208c275d6a43b3c3421d38772179abf8acee and
767d780ec001167b2fd8f6cfe4ef78a3a8b1e34c.
 2020-03-16 09:23:37 +01:00
Paul B Mahol
4a51075f4d doc/examples/muxing: fix underflow in duration of encoded streams 
Now they are exactly 10 seconds long.

Fixes #5684.
 2019-09-29 20:41:29 +02:00
Michael Niedermayer
c80715f153 doc/examples/decode_audio: Fix "warning: ISO C90 forbids mixed declarations and code" 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-09-16 00:04:18 +02:00
Steven Liu
6d1009cb9d doc/examples/decode_video: add input file format information for usage 
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
 2019-08-26 11:09:13 +08:00
Steven Liu
7c2ff06b6e doc/examples/decode_audio: print message about how to play the output file 
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
 2019-08-26 11:08:52 +08:00
Jun Zhao
e512d893bf examples/encode_video: only add sequence end code for mpeg1/2 video 
Only add sequence end code for mpeg1/mpeg2 video, or else use the encoder
libx264 or libx265 in this sample, decoding the output file will get
unknow NALU type error.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
 2019-08-08 17:58:50 +08:00