[FFmpeg-devel] [PATCH 1/7] avformat/rtpdec_ac3: add AC3 RTP depacketization

Thomas Volkert silvo at gmx.net
Sat Feb 14 19:01:23 CET 2015

On 02/13/2015 09:11 PM, Gilles Chanteperdrix wrote:
> On Thu, Feb 12, 2015 at 10:07:39PM +0100, Thomas Volkert wrote:
>>> +        if (nr_frames > 1) {
>>> +            av_log(ctx, AV_LOG_ERROR,
>>> +                   "Unimplemented multiple AC3 frames per packet\n");
>> You could use avpriv_report_missing_feature() here.
> I am not sure that the case where there are multiple frames in one
> packet is not already working: frames are concatenated without not
> headers, so the full AC3 parser should be able to split the packet
> in multiple frames right ? Unfortunately, I do not have an example
> using this feature.

Yes, I would think so.

>> Do you see any use for the optional SDP parameter?
>> If yes, you could add an AC3 specific parser for SDP line and link it as
>> ".parse_sdp_a_line" line here.
> Which optional SDP parameter? channels,ptime,maxptime ?


>> What do you think about a packetizer as counterpart?
> Currently, I am using live555 as an RTSP server. I did not check
> ffmpeg documentation to see how to run an RTSP server. I will check.

You can use:
[ffmpeg ..] ==> [ffplay ..]

Best regards,

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