[FFmpeg-devel] Definition of audio and video frames according to av_read_frame()

[Unga]

> From: Michael Niedermayer <michaelni at gmx.at>
>To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org> 
>Sent: Sunday, August 26, 2012 11:13 PM
>Subject: Re: [FFmpeg-devel] Definition of audio and video frames according to av_read_frame()
> 
>On Sat, Aug 25, 2012 at 11:52:22PM -0700, Unga wrote:
>> Dear all
>> 
>> FFmpeg documentation says "For video, the packet contains exactly one frame. For audio, it contains an integer number of frames if each frame has a known fixed size (e.g. PCM or ADPCM data). If the audio frames have a variable size (e.g. MPEG audio), then it contains one frame."
>> 
>> 1. Regarding video, does av_read_frame() return anything other than I-frame,
>> P-frame or B-frame?
>
>yes
>
>
>> 
>> 2. Regarding audio, what is the definition of audio frame?
>
>The specification that describes the compression /packing should
>define what a frame, access unit or equivalent is
>
>
>> If I say, an audio frame contain one audio sample, is it correct?
>
>This depends on the case in which you say it
>


Hi Michael, thank you for the reply.

Best regards
Unga