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| author | Chema Gonzalez <chemag@gmail.com> | 2022-09-12 16:49:56 -0700 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-23 22:42:19 +0200 |
| commit | 7adf7502b8c5f7d47bef7474de25f6328fd9bb9a (patch) | |
| tree | a125b0038e04db56a6a6f94b05d763b57fdb1a2e | |
| parent | 793282adc2afe962a1bd97828468e499f247be3a (diff) | |
| download | ffmpeg-7adf7502b8c5f7d47bef7474de25f6328fd9bb9a.tar.gz | |
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>
| -rw-r--r-- | doc/examples/extract_mvs.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/examples/extract_mvs.c b/doc/examples/extract_mvs.c index cc1311da91..b80ba26bb7 100644 --- a/doc/examples/extract_mvs.c +++ b/doc/examples/extract_mvs.c @@ -61,10 +61,11 @@ static int decode_packet(const AVPacket *pkt) const AVMotionVector *mvs = (const AVMotionVector *)sd->data; for (i = 0; i < sd->size / sizeof(*mvs); i++) { const AVMotionVector *mv = &mvs[i]; - printf("%d,%2d,%2d,%2d,%4d,%4d,%4d,%4d,0x%"PRIx64"\n", + printf("%d,%2d,%2d,%2d,%4d,%4d,%4d,%4d,0x%"PRIx64",%4d,%4d,%4d\n", video_frame_count, mv->source, mv->w, mv->h, mv->src_x, mv->src_y, - mv->dst_x, mv->dst_y, mv->flags); + mv->dst_x, mv->dst_y, mv->flags, + mv->motion_x, mv->motion_y, mv->motion_scale); } } av_frame_unref(frame); @@ -166,7 +167,7 @@ int main(int argc, char **argv) goto end; } - printf("framenum,source,blockw,blockh,srcx,srcy,dstx,dsty,flags\n"); + printf("framenum,source,blockw,blockh,srcx,srcy,dstx,dsty,flags,motion_x,motion_y,motion_scale\n"); /* read frames from the file */ while (av_read_frame(fmt_ctx, pkt) >= 0) { |