Really getting the info

[jolumatro]

Hello everyone.

For a long time I've been searching for a tool that could tell me the settings used in a given H264 stream. Mediainfo works fine for those files created with x264 or handbrake, but when the file has been created with some other software, I get much less. For example:

Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings, CABAC : No
Format settings, ReFrames : 2 frames
Format settings, GOP : N=1
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

So with this stream (Using Mediainfo) I only get the profile, level, the absence of CABAC and reference frame count. I would still like to know the deblocking values (if any), the vbv_bufsize and vbv_maxrate parameters, along with the bitrate mode.

Is there any tool that can get further info than mediainfo with these kind of streams?

Thank you very much in advance.

[Selur]

VBVChecker from neuron2 should be able to tell you the vbv values needed to playback the stream. (but the normal boundaries defined by profile@level are probably fine as well)
"along with the bitrate mode" -> don't think there's a way to tell the bit rate mode from the resulting stream.
no clue about getting the deblocking values

Little thing that is confusing me about your stream is that GOP size 1 is indicated but ReFrames is 2, shouldn't a stream with GOP size 1 be automatically a Intra-Only-Frame-Stream?

[jolumatro]

Hey, thanks for the answer.

I cannot answer yours, as I'm still looking into what you've said. I have a bunch of other files that don't specify GOP, so I'm guessing not all those streams are the same.

The Neuron tool didn't help me much, as most of the time crashes in W7 x64, i Don't know why.

thanks

[Selur]

The Neuron tool didn't help me much, as most of the time crashes in W7 x64, i Don't know why.

a. it only accepts RAW .264 video streams, not video streams inside a container
b. it is not 'free' it requires a 'donation'-license (like all newer tools from neuron2)

Cu Selur

[jolumatro]

Thanks again

Truth is, with raw h264 it does nothing at all. With MKV crashes.

[Selur]

You got a valid license?

[jolumatro]

ah, so that's it.

Thanks.

[Selur]

attached a small tool that will output the max gop size of a raw avc stream, simply use it by calling:
FrameCounter "Path to file"

it will then output something like:

analysing h.264 frame count of: h:\TestClips&Co\rawAVCvideo.264
Frame count analyse at 1 of 0.524775

counted:
B (0x01) 175 times.
P (0x41) 251 times.
IDR (0x65) 3 times.

sps/pps:
0x68 3 times.

max gop size: 250

framecount: 428