作者 主题: bmdcatrure采集模式  (阅读 2413 次)

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bmdcatrure采集模式
« 回复 #1 于: 十月 15, 2018, 08:11:34 上午 »
我成功地应用你的补丁,但是我不能拍摄1080 p视频信号通过SDI输入。

这是我的设置(Video Source)——sdi - - - - - >[Decklink mini recorder]- - - - - - >[BMDCapture]- - - - - - >[AVCONV]。

bmdcapture - h

用法:bmdcapture - m[OPTIONS]

- m <mode id >:

- > DeckLink Mini Recorder(- c 0)

支持视频输出显示模式和像素格式:

0: NTSC 720 x 486 29.97 FPS
1: NTSC 23.98 720 x 486 23.976 FPS
2: PAL 720 x 576 25 FPS
3: NTSC Progressive 720 x 486 59.9401 FPS
4: PAL Progressive 720 x 576 50 FPS
5: HD 1080p 23.98 1920 x 1080 23.976 FPS
6: HD 1080p 24 1920 x 1080 24 FPS
7: HD 1080p 25 1920 x 1080 25 FPS
8: HD 1080p 29.97 1920 x 1080 29.97 FPS
9: HD 1080p 30 1920 x 1080 30 FPS
10: HD 1080i 50 1920 x 1080 25 FPS
11: HD 1080i 59.94 1920 x 1080 29.97 FPS
12: HD 1080i 60 1920 x 1080 30 FPS
13: HD 720p 50 1280 x 720 50 FPS
14: HD 720p 59.94 1280 x 720 59.9401 FPS
15: HD 720p 60 1280 x 720 60 FPS

-v                   Be verbose (report each 25 frames)
-f <filename>        Filename raw video will be written to
-F <format>          Define the file format to be used
-c <channels>        Audio Channels (2, 8 or 16 - default is 2)
-s <depth>           Audio Sample Depth (16 or 32 - default is 16)
-p <pixel>           PixelFormat Depth (8 or 10 - default is 8)
-n <frames>          Number of frames to capture (default is unlimited)
-M <memlimit>        Maximum queue size in GB (default is 1 GB)
-C <num>             number of card to be used
-A <audio-in>        Audio input:
                     1: Analog (RCA or XLR)
                     2: Embedded Audio (HDMI/SDI)
                     3: Digital Audio (AES/EBU)
-V <video-in>        Video input:
                     1: Composite
                     2: Component
                     3: HDMI
                     4: SDI
                     5: Optical SDI
                     6: S-Video

捕获视频和音频文件。原始视频和音频可以发送给管道avconv或vlc。例如:

bmdcapture -m 2 -A 1 -V 1 -F nut -f pipe:1
bmdcapture -C 0 -m 5 -A 2 -c 2 -V 4 -F nut -f pipe:1 | /usr/local/bin/avconv -re -i -
avconv version v9-1673-g6fd221e, Copyright (c) 2000-2013 the Libav developers
built on Jul 24 2013 11:29:42 with gcc 4.7 (Debian 4.7.2-5)
Frame received (#1) - No input signal detected - Frames dropped 1 - Total dropped 1
[nut @ 0x1b24f40] Estimating duration from bitrate, this may be inaccurate
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, nut, from 'pipe:':
Metadata:
encoder : Lavf55.1.0

Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0.0: Video: rawvideo, uyvy422, 1920x1080, 23.98 tbn
Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s

必须指定至少一个输出文件

谢谢。