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FFMPEG - Encode audio in a planar format - Super User
https://superuser.com/questions/1217551/ffmpeg-encode-audio-in-a-planar-format
.\ffmpeg.exe -i in.flac -f s32le -acodec pcm_s32le_planar out.aiff outputs a file, but it's not an AIFF file : it seems that using -f forces RAW output (so, no header of any kind, just the audio data) How can I have planar, signed 32-bit, litte-endian audio ?
#3480 (Playback video with planar audio to ... - FFmpeg
https://trac.ffmpeg.org/ticket/3480
ffmpeg-20140319-112832.log (20.5 KB) - added by Anusha Balan 8 years ago. output with -report. ffmpeg compiled from latest git master. ffmpeg_crash_gdb_output.txt (14.3 KB) - added by Anusha Balan 8 years ago. gdb output from crash ffmpeg-20140320-104457.log (7.7 KB) - added by Anusha Balan 8 years ago. Using -vn flag for same command line as ...
FFMPEG Understanding AVFrame::linesize (Audio) - …
https://stackoverflow.com/questions/34088106/ffmpeg-understanding-avframelinesize-audio
Pretty straightforward, as each sample is 4 bytes and since there are 2 channels total memory will be (1024 * 4 * 2) bytes. As such lineSize [0] should be 4096 for planar audio. data [0] & data [1] should be each of size 4096. However, pFrame->lineSize [0] is giving 8192. So to get the size per plane, I have to do pFrame->lineSize [0] / pFrame ...
ffmpeg - channel layout of audio - Stack Overflow
https://stackoverflow.com/questions/29306296/channel-layout-of-audio
Here is an excerpt from ffmpeg docs : For planar sample formats, each audio channel is in a separate data plane, and linesize is the buffer size, in bytes, for a single plane. All data planes must be the same size. For packed sample formats, only the first data plane is used, and samples for each channel are interleaved.
FFmpeg: AVFrame Struct Reference
https://www.ffmpeg.org/doxygen/1.0/structAVFrame.html
For packed audio, there is just one data pointer, and linesize[0] contains the total size of the buffer for all channels. Note: Both data and extended_data will always be set by get_buffer(), but for planar audio with more channels that can fit in data, extended_data must be used by the decoder in order to access all channels.
WriteAudioFrame for adding audio in VideoFileWriter ...
https://github.com/accord-net/framework/issues/356
- GH-959: Cannot open audio codec when use ffmpeg.videofileWriter.Open - GH-1001: Rewrite VideoFileWriter cesarsouza mentioned this issue Oct 31, 2017 Solution project Accord.NET (LGPL-only).sln fail to compile #999
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