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c++ - "opaque" pointer in ffmpeg AVFrame - Stack Overflow
https://stackoverflow.com/questions/39853810/opaque-pointer-in-ffmpeg-avframe#:~:text=In%20ffmpeg%20there%20is%20a%20structure%20AVFrame%20describing,is%20%22for%20some%20private%20data%20of%20the%20user%22.
c++ - How to fill AVFrame with audio data - Stack Overflow
https://stackoverflow.com/questions/27439123/how-to-fill-avframe-with-audio-data
How to fill AVFrame with audio data. Ask Question Asked 7 years, 1 month ago. Active 7 years, 1 month ago. Viewed 3k times 2 I use Win32 API to implement a desktop recording program. The video capture feature works, but I have no idea to put the audio in the FFmpeg encoder's data structure. The below code will get the data of the default output ...
FFmpeg: AVFrame
https://lists.ffmpeg.org/doxygen/3.2/group__lavu__frame.html
AVFrame is an abstraction for reference-counted raw multimedia data. Enumeration Type Documentation enum AVFrameSideDataType Definition at line 47 of file frame.h. enum AVActiveFormatDescription Enumerator AV_AFD_SAME AV_AFD_4_3 AV_AFD_16_9 AV_AFD_14_9 AV_AFD_4_3_SP_14_9 AV_AFD_16_9_SP_14_9 AV_AFD_SP_4_3 …
FFmpeg: AVFrame Struct Reference
https://www.ffmpeg.org/doxygen/1.0/structAVFrame.html
Detailed Description Audio Video Frame.. New fields can be added to the end of AVFRAME with minor version bumps. Similarly fields that are marked as to be only accessed by av_opt_ptr() can be reordered. This allows 2 forks to add fields without breaking compatibility with each other.
org.bytedeco.javacpp.avutil$AVFrame java code examples ...
https://www.tabnine.com/code/java/classes/org.bytedeco.javacpp.avutil$AVFrame
This structure describes decoded (raw) audio or video data. AVFrame must be allocated using av_frame_alloc(). Note that this only allocates the AVFrame itself, the buffers for the data must be managed through other means (see below). AVFrame must be freed with av_frame_free(). AVFrame is typically allocated once and then reused multiple times ...
av_frame_get_buffer (ffmpeg.libavutil.frame.av_frame_get ...
https://ffmpeg4d.dpldocs.info/ffmpeg.libavutil.frame.av_frame_get_buffer.html
av_frame_get_buffer ffmpeg libavutil frame Allocate new buffer (s) for audio or video data. The following fields must be set on frame before calling this function: - format (pixel format for video, sample format for audio) - width and height for video - nb_samples and channel_layout for audio
Converting YUV data to AVFrame - Letters to the COW …
https://creativecow.net/forums/thread/converting-yuv-data-to-avframe/
Hello all, I am working on encoding a raw yuv stream coming directly from webcam, using v4l2. The issue that I am facing is that even after using avpicture_fill and assigning every buffer separately frame->data[0] = buffers[buf.index].start;
AVFrame (ffmpeg.libavutil.frame.AVFrame)
https://ffmpeg4d.dpldocs.info/ffmpeg.libavutil.frame.AVFrame.html
AVFrame ffmpeg libavutil frame This structure describes decoded (raw) audio or video data. AVFrame must be allocated using av_frame_alloc (). Note that this only allocates the AVFrame itself, the buffers for the data must be managed through other means (see below). AVFrame must be freed with av_frame_free ().
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