TechQA.

Question

Read existing MP4 File and write into a new MP4 file using libavcodec

score 282 · Answer 1 · 2023-10-04T23:16:02.493000

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282

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Read existing MP4 File and write into a new MP4 file using libavcodec

282 views Asked by Tahfimul At 04 October 2023 at 23:16

score 226 · Answer 2 · 2023-05-04T04:07:48.460000

Downscaling a video from 1080p to 480p using swscale and encoding to x265 gives a glitched output

226 views Asked by lokit khemka At 04 May 2023 at 04:07

score 599 · Answer 3 · 2023-05-03T14:04:25.850000

Error when passing the scaled frame to the encoder `Encoder did not produce proper pts, making some up`

599 views Asked by lokit khemka At 03 May 2023 at 14:04

score 379 · Answer 4 · 2023-05-02T07:51:56.820000

libswscale error Slice Parameters 0, 1080 are invalid

379 views Asked by lokit khemka At 02 May 2023 at 07:51

score 211 · Answer 5 · 2023-04-28T09:11:02.130000

"sws_scale_frame" function not found in libswscale/swscale.h

211 views Asked by lokit khemka At 28 April 2023 at 09:11

score 260 · Answer 6 · 2022-11-07T19:29:07.090000

Turn off sw_scale conversion to planar YUV 32 byte alignment requirements

260 views Asked by flansel At 07 November 2022 at 19:29

score 694 · Answer 7 · 2022-08-31T06:48:19.183000

FFMPEG convert NV12 format to NV12 with the same height and width

694 views Asked by Chun Wang At 31 August 2022 at 06:48

score 2430 · Answer 8 · 2022-01-28T12:05:02.440000

Why does ffmpeg output slightly different RGB values when converting to gbrp and rgb24?

2.4k views Asked by F.X. At 28 January 2022 at 12:05

score 4848 · Answer 9 · 2022-01-04T20:50:43.017000

How does FFMPEG 4.4 convert NV12 format to YUV420 on Windows?

4.8k views Asked by NecroDriver At 04 January 2022 at 20:50

score 890 · Answer 10 · 2021-12-09T14:36:42.503000

sws_scale generates malformed video

890 views Asked by GiuTor At 09 December 2021 at 14:36

score 216 · Answer 11 · 2021-08-04T13:13:01.913000

ffmpeg, swscale, ARGB -> NV12, wrong NV12 image

216 views Asked by niXman At 04 August 2021 at 13:13

score 248 · Answer 12 · 2021-06-14T11:24:05.820000

sws_scale gray->float: what am i doing wrong?

248 views Asked by Diederick C. Niehorster At 14 June 2021 at 11:24

score 414 · Answer 13 · 2021-03-05T22:24:15.293000

libav C++ sw_scale returns variable byte size of BGR24 buffer

414 views Asked by igor At 05 March 2021 at 22:24

score 4682 · Answer 14 · 2021-02-26T10:39:43.603000

sws_scale, YUV to RGB conversion

4.6k views Asked by Валентин Никин At 26 February 2021 at 10:39

score 904 · Answer 15 · 2020-10-06T11:21:21.317000

BGRA to YUV420 FFmpeg giving bad output

904 views Asked by NewbieCoder At 06 October 2020 at 11:21

score 1366 · Answer 16 · 2020-08-27T10:46:09.913000

libswscale bad dst image pointers cgo

1.3k views Asked by SolskGaer At 27 August 2020 at 10:46

score 744 · Answer 17 · 2020-08-23T16:18:46.013000

libav sws_scale() fails colorspace conversion on real device, works on emulator

744 views Asked by chugadie At 23 August 2020 at 16:18

score 611 · Answer 18 · 2020-06-12T11:04:08.357000

Display FFMPEG decoded frame in a GLFW window

611 views Asked by zunnzunn At 12 June 2020 at 11:04

score 504 · Answer 19 · 2020-05-18T14:02:54.953000

sws_scale PAL8 to RGBA returns image that isn't clear

504 views Asked by nihohit At 18 May 2020 at 14:02

score 924 · Answer 20 · 2020-03-13T20:24:57.887000

sws_scale() does not convert image simply copying it from source to target

924 views Asked by Slaus At 13 March 2020 at 20:24

TechQA.

List Question

Read existing MP4 File and write into a new MP4 file using libavcodec

Downscaling a video from 1080p to 480p using swscale and encoding to x265 gives a glitched output

Error when passing the scaled frame to the encoder `Encoder did not produce proper pts, making some up`

libswscale error Slice Parameters 0, 1080 are invalid

"sws_scale_frame" function not found in libswscale/swscale.h

Turn off sw_scale conversion to planar YUV 32 byte alignment requirements

FFMPEG convert NV12 format to NV12 with the same height and width

Why does ffmpeg output slightly different RGB values when converting to gbrp and rgb24?

How does FFMPEG 4.4 convert NV12 format to YUV420 on Windows?

sws_scale generates malformed video

ffmpeg, swscale, ARGB -> NV12, wrong NV12 image

sws_scale gray->float: what am i doing wrong?

libav C++ sw_scale returns variable byte size of BGR24 buffer

sws_scale, YUV to RGB conversion

BGRA to YUV420 FFmpeg giving bad output

libswscale bad dst image pointers cgo

libav sws_scale() fails colorspace conversion on real device, works on emulator

Display FFMPEG decoded frame in a GLFW window

sws_scale PAL8 to RGBA returns image that isn't clear

sws_scale() does not convert image simply copying it from source to target

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