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gdigrabで画面をキャプチャし、intとサウンドを結合して、decklink sdiデバイスで送信しようとしています。ここ ffmpeg最初にエンコードしてから別の出力に使用する方法
ffmpeg -framerate 25 -thread_queue_size 512 -f gdigrab -i title="Play" -f dshow -i audio="CABLE Output (VB-Audio Virtual Cable)" -af aresample=resampler=soxr -ar 48000 -acodec pcm_s16le -ac 2 -c:v libx264 -qp 0 -preset ultrafast "output.avi"
ffmpeg -i output.avi -f decklink -pix_fmt uyvy422 "DeckLink SDI (2)"
それが動作するこの方法が、私はこれらの二つの引数を組み合わせたときに出力を送信するためにここに
は私のコードを取得することです即座にカードをデッキリンクするには、ffmpegが機能しなくなります。ここにコンビネーションコードがあります：ffmpeg -framerate 25 -thread_queue_size 512 -f gdigrab -i title="Play" -f dshow -i audio="CABLE Output (VB-Audio Virtual Cable)" -af aresample=resampler=soxr -ar 48000 -acodec pcm_s16le -ac 2 -f decklink -pix_fmt uyvy422 "DeckLink SDI (2)"
私は非常に多くの異なる組み合わせを試みましたが運はありませんでした。私はそれをファイルに保存し、そのファイルを入力として使用する場合にのみ動作します。 2番目のコマンドの入力として最初のコマンドの結果を使用するffmpegを伝える方法はありますか？
おかげ
更新
：ffmpeg started on 2017-08-08 at 12:26:36
Report written to "ffmpeg-20170808-122636.log"
Command line:
ffmpeg -framerate 25 -thread_queue_size 512 -f gdigrab -i "title=Play" -c:v rawvideo -f dshow -i "audio=CABLE Output (VB-Audio Virtual Cable)" -af "aresample=resampler=soxr" -ar 48000 -acodec pcm_s16le -ac 2 -map 0:v:0 -map 1:a:0 -f decklink -pix_fmt uyvy422 "DeckLink SDI (2)" -report
ffmpeg version N-71608-ga924b83 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
libavutil 54. 23.101/54. 23.101
libavcodec 56. 35.101/56. 35.101
libavformat 56. 30.100/56. 30.100
libavdevice 56. 4.100/56. 4.100
libavfilter 5. 14.100/5. 14.100
libswscale 3. 1.101/3. 1.101
libswresample 1. 1.100/1. 1.100
libpostproc 53. 3.100/53. 3.100
Splitting the commandline.
Reading option '-framerate' ... matched as AVOption 'framerate' with argument '25'.
Reading option '-thread_queue_size' ... matched as option 'thread_queue_size' (set the maximum number of queued packets from the demuxer) with argument '512'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'gdigrab'.
Reading option '-i' ... matched as input file with argument 'title=Play'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'rawvideo'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'dshow'.
Reading option '-i' ... matched as input file with argument 'audio=CABLE Output (VB-Audio Virtual Cable)'.
Reading option '-af' ... matched as option 'af' (set audio filters) with argument 'aresample=resampler=soxr'.
Reading option '-ar' ... matched as option 'ar' (set audio sampling rate (in Hz)) with argument '48000'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'pcm_s16le'.
Reading option '-ac' ... matched as option 'ac' (set number of audio channels) with argument '2'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:v:0'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '1:a:0'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'decklink'.
Reading option '-pix_fmt' ... matched as option 'pix_fmt' (set pixel format) with argument 'uyvy422'.
Reading option 'DeckLink SDI (2)' ... matched as output file.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input file title=Play.
Applying option thread_queue_size (set the maximum number of queued packets from the demuxer) with argument 512.
Applying option f (force format) with argument gdigrab.
Successfully parsed a group of options.
Opening an input file: title=Play.
[gdigrab @ 0000000002d3f2a0] Found window Play, capturing 720x576x32 at (0,0)
[gdigrab @ 0000000002d3f2a0] Cursor pos (588,602) -> (-271,597)
[gdigrab @ 0000000002d3f2a0] All info found
Input #0, gdigrab, from 'title=Play':
Duration: N/A, start: 1502178996.958615, bitrate: 331786 kb/s
Stream #0:0, 1, 1/1000000: Video: bmp, bgra, 720x576, 331786 kb/s, 25 tbr, 1000k tbn, 25 tbc
Successfully opened the file.
Parsing a group of options: input file audio=CABLE Output (VB-Audio Virtual Cable).
Applying option c:v (codec name) with argument rawvideo.
Applying option f (force format) with argument dshow.
Successfully parsed a group of options.
Opening an input file: audio=CABLE Output (VB-Audio Virtual Cable).
[dshow @ 0000000002d3c340] Selecting pin Capture on audio only
dshow passing through packet of type audio size 88200 timestamp 111632750000 orig timestamp 111632750000
[dshow @ 0000000002d3c340] All info found
Guessed Channel Layout for Input Stream #1.0 : stereo
Input #1, dshow, from 'audio=CABLE Output (VB-Audio Virtual Cable)':
Duration: N/A, start: 11163.275000, bitrate: 1411 kb/s
Stream #1:0, 1, 1/10000000: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
Successfully opened the file.
Parsing a group of options: output file DeckLink SDI (2).
Applying option af (set audio filters) with argument aresample=resampler=soxr.
Applying option ar (set audio sampling rate (in Hz)) with argument 48000.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument pcm_s16le.
Applying option ac (set number of audio channels) with argument 2.
Applying option map (set input stream mapping) with argument 0:v:0.
Applying option map (set input stream mapping) with argument 1:a:0.
Applying option f (force format) with argument decklink.
Applying option pix_fmt (set pixel format) with argument uyvy422.
Successfully parsed a group of options.
Opening an output file: DeckLink SDI (2).
Successfully opened the file.
detected 2 logical cores
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'video_size' to value '720x576'
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'pix_fmt' to value '30'
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'time_base' to value '1/1000000'
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] Setting 'frame_rate' to value '25/1'
[graph 0 input from stream 0:0 @ 0000000002dd7ea0] w:720 h:576 pixfmt:bgra tb:1/1000000 fr:25/1 sar:0/1 sws_param:flags=2
[format @ 0000000002d3df00] compat: called with args=[uyvy422]
[format @ 0000000002d3df00] Setting 'pix_fmts' to value 'uyvy422'
[auto-inserted scaler 0 @ 0000000002d44ca0] Setting 'flags' to value '0x4'
[auto-inserted scaler 0 @ 0000000002d44ca0] w:iw h:ih flags:'0x4' interl:0
[format @ 0000000002d3df00] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed_null_0' and the filter 'format'
[AVFilterGraph @ 0000000002e586c0] query_formats: 4 queried, 2 merged, 1 already done, 0 delayed
[auto-inserted scaler 0 @ 0000000002d44ca0] w:720 h:576 fmt:bgra sar:0/1 -> w:720 h:576 fmt:uyvy422 sar:0/1 flags:0x4
[Parsed_aresample_0 @ 0000000002d513a0] Setting 'resampler' to value 'soxr'
[graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'time_base' to value '1/44100'
[graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'sample_rate' to value '44100'
[graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'sample_fmt' to value 's16'
[graph 1 input from stream 1:0 @ 0000000002d51460] Setting 'channel_layout' to value '0x3'
[graph 1 input from stream 1:0 @ 0000000002d51460] tb:1/44100 samplefmt:s16 samplerate:44100 chlayout:0x3
[audio format for output stream 0:1 @ 0000000002d51520] Setting 'sample_fmts' to value 's16'
[audio format for output stream 0:1 @ 0000000002d51520] Setting 'sample_rates' to value '48000'
[audio format for output stream 0:1 @ 0000000002d51520] Setting 'channel_layouts' to value '0x3'
[AVFilterGraph @ 0000000002d4d0c0] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
[Parsed_aresample_0 @ 0000000002d513a0] ch:2 chl:stereo fmt:s16 r:44100Hz -> ch:2 chl:stereo fmt:s16 r:48000Hz
dshow passing through packet of type audio size 88200 timestamp 111637810000 orig timestamp 111637810000
[decklink @ 0000000002dd6a00] Found Decklink mode 720 x 576 with rate 25.00(i)
Output #0, decklink, to 'DeckLink SDI (2)':
Metadata:
encoder : Lavf56.30.100
Stream #0:0, 0, 1/25: Video: rawvideo (UYVY/0x59565955), uyvy422, 720x576, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
Metadata:
encoder : Lavc56.35.101 rawvideo
Stream #0:1, 0, 1/48000: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Metadata:
encoder : Lavc56.35.101 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (bmp (native) -> rawvideo (native))
Stream #1:0 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
Cliping frame in rate conversion by 0.000008
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Encoder did not produce proper pts, making some up.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
*** 40 dup!
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 1.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 2.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 3.
[decklink @ 0000000002dd6a00] Buffered video frames: 4.
[decklink @ 0000000002dd6a00] Buffered video frames: 5.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 6.
[decklink @ 0000000002dd6a00] Buffered video frames: 7.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 8.
[decklink @ 0000000002dd6a00] Buffered video frames: 9.
[decklink @ 0000000002dd6a00] Buffered video frames: 10.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 11.
[decklink @ 0000000002dd6a00] Buffered video frames: 12.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 13.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
dshow passing through packet of type audio size 88200 timestamp 111642810000 orig timestamp 111642810000
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 14.
[decklink @ 0000000002dd6a00] Ending audio preroll.
[decklink @ 0000000002dd6a00] Starting scheduled playback.
[decklink @ 0000000002dd6a00] Buffered video frames: 15.
[decklink @ 0000000002dd6a00] Buffered video frames: 16.
[decklink @ 0000000002dd6a00] Buffered video frames: 17.
[decklink @ 0000000002dd6a00] Buffered video frames: 18.
[decklink @ 0000000002dd6a00] Buffered video frames: 19.
[decklink @ 0000000002dd6a00] Buffered video frames: 20.
[decklink @ 0000000002dd6a00] Buffered video frames: 21.
[decklink @ 0000000002dd6a00] Buffered video frames: 22.
[decklink @ 0000000002dd6a00] Buffered video frames: 23.
[decklink @ 0000000002dd6a00] Buffered video frames: 24.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[decklink @ 0000000002dd6a00] Buffered video frames: 24.
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
frame= 42 fps=0.0 q=0.0 size=N/A time=00:00:01.68 bitrate=N/A dup=40 drop=0
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
dshow passing through packet of type audio size 88200 timestamp 111647710000 orig timestamp 111647710000
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (689,472) -> (-170,467)
[gdigrab @ 0000000002d3f2a0] Cursor pos (814,496) -> (-45,491)
[gdigrab @ 0000000002d3f2a0] Cursor pos (814,496) -> (-45,491)
[gdigrab @ 0000000002d3f2a0] Cursor pos (811,497) -> (-48,492)
[gdigrab @ 0000000002d3f2a0] Cursor pos (811,497) -> (-48,492)
[gdigrab @ 0000000002d3f2a0] Cursor pos (811,497) -> (-48,492)
[gdigrab @ 0000000002d3f2a0] Cursor pos (806,497) -> (-53,492)
このように、私はファイルを使用する前に遅延を作らなければなりません。それは価格です –
"ffmpegは動作を停止します" - なぜですか？エラーが発生しましたか？最後のコマンドのコマンドライン出力を表示してください。 – slhck