[Libav-user] SPS PPS header
Carl Eugen Hoyos
ceffmpeg at gmail.com
Tue Nov 14 19:07:51 EET 2017
2017-11-14 16:07 GMT+01:00 John Stebbins <stebbins at jetheaddev.com>:
> There are 2 ways defined by the MP4 spec to include SPS and PPS.
> The first, most common, and supported by ffmpeg, is to put the
> parameter sets in the MP4 header *only*. In this type of MP4, the
> sample entry type must be set to avc1.
> The second way allows the SPS and PPS to be in the MP4 header and
> inline in the stream. In this case SPS and PPS may be repeated in
> the stream before each IDR. This is useful for adaptive streaming
> scenarios where the characteristics of the video stream may change.
> In this type of MP4, the sample entry type must be avc3.
I believe this variant is not supported by FFmpeg's mov muxer and I
suspect that some / most players do not support it.
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