[MPlayer-dev-eng] Re: [PATCH] Play AMR over rtsp

[Nico Sabbi]

Carl Eugen Hoyos wrote:
> Hi Nico!
> 
> Nico Sabbi <nicola_sabbi <at> fastwebnet.it> writes:
> 
> 
>>is the 3gpp decoder that needs this first byte in the bitstream
>>or does the bitstream definition specify it?
>>In the former case I won't apply this patch, because demux_packets
>>should contain only demux data
> 
> 
> I found "AMR speech codec frame structure" (3GPP TS 26.101 V6.0.0).
> It states in "4. AMR codec frame format (AMR IF1)":
> ... The frame is divided into three parts: AMR Header, AMR Auxiliary
> Information, and AMR Core Frame. The AMR Header part includes the Frame Type and
> the Frame Quality Indicator fields. ...
> 
> lastFrameHeader() outputs exactly this AMR header consisting of Frame Type and
> Frame Quality Indicator. So I guess, yes, the bitstream defines this byte.
> 
> Carl Eugen
> 

committed, thanks. This AMR stuff is a major pain, concurring strictly 
with AAC

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