Re: [Opensvcdecoder-support] SNR and spacial scaling not workig in OSVCD using my SVC videos

[Yahia B. <yah...@gm...>]

but it is still not working


2013/4/29 Yahia Benmoussa <yah...@gm...>

> Hi Médéric,
>
> I checked the log files when coding SVC videos and it seems the IDR frames
> are inserted periodically.
>
> Thanks.
> Yahia
>
>
> 2013/4/29 Yahia Benmoussa <yah...@gm...>
>
>> Hi médéric,
>>
>>
>> I think yes. I set IntraPeriod   parameter to 32 which means JSVM encoder
>> inserts 1 IDR each 32 frames. Is this correct ?
>>
>> Thanks.
>> Yahia
>>
>>
>> 2013/4/29 Médéric Blestel <mbl...@gm...>
>>
>>> Hi,
>>>
>>> Switching of spatial or quality layer is only occuring on IDR frames.
>>> Does your stream contain IDR frames?
>>>
>>>
>>> Médéric
>>>
>>>
>>>
>>> 2013/4/29 Yahia Benmoussa <yah...@gm...>
>>>
>>>> Hi all,
>>>>
>>>> I've coded  SVC videos using JSVM but OSVCD is not able to switch to
>>>> the contained  spacial and SNR layers. The switching to temporal layer
>>>> works fine.
>>>>
>>>> The SNR and the spacial scalability works fine when using the test
>>>> sequences in (
>>>> http://sourceforge.net/projects/opensvcdecoder/files/Video%20Streams/).
>>>>
>>>> Some parameters may be wrong in my JSVM configuration files. Here an
>>>> example of a SNR scalability in my SVC file.
>>>>
>>>>
>>>> JSVM 9.19.15 BitStream Extractor
>>>> Contained Layers:
>>>> ====================
>>>>
>>>>        Layer   Resolution   Framerate   Bitrate MinBitrate      DTQ
>>>>          0     352x288       1.8750     219.20      219.20   (0,0,0)
>>>>          1     352x288       3.7500     238.30      238.30   (0,1,0)
>>>>          2     352x288       7.5000     264.90      264.90   (0,2,0)
>>>>          3     352x288      15.0000     293.70     293.70   (0,3,0)
>>>>          4     352x288      30.0000     320.10     320.10   (0,4,0)
>>>>          5     352x288       1.8750    1072.20
>>>> (0,0,1)
>>>>          6     352x288       3.7500    1492.20
>>>> (0,1,1)
>>>>          7     352x288       7.5000    2215.00
>>>> (0,2,1)
>>>>          8     352x288      15.0000    3401.00                  (0,3,1)
>>>>          9     352x288      30.0000    5019.00                  (0,4,1)
>>>>
>>>>
>>>> The used configuration files are :
>>>>
>>>>  *main.cfg :*
>>>>
>>>> OutputFile              mobile.264   # Bitstream file
>>>> FrameRate               30.0       # Maximum frame rate [Hz]
>>>> FramesToBeEncoded       300      # Number of frames (at input frame
>>>> rate)
>>>> GOPSize                 16        # GOP Size (at maximum frame rate)
>>>> BaseLayerMode           1          # Base layer mode (0,1: AVC
>>>> compatible,
>>>> IntraPeriod             32                      #                    2:
>>>> AVC w subseq SEI)
>>>> NumberReferenceFrames   8
>>>> LoopFilterDisable       1
>>>> InterLayerLoopFilterDisable 1
>>>> CgsSnrRefinement        1          # SNR refinement as 1: MGS; 0: CGS
>>>> EncodeKeyPictures       1          # Key pics at T=0 (0:none, 1:MGS,
>>>> 2:all)
>>>> #MGSControl              2          # ME/MC for non-key pictures in MGS
>>>> layers
>>>>                                    # (0:std, 1:ME with EL, 2:ME+MC with
>>>> EL)
>>>> SearchMode              4          # Search mode (0:BlockSearch,
>>>> 4:FastSearch)
>>>> SearchRange             32         # Search range (Full Pel)
>>>> NumLayers               2          # Number of layers
>>>> LayerCfg                layer0.cfg # Layer configuration file
>>>> LayerCfg                layer1.cfg # Layer configuration file
>>>>
>>>> *layer0.cfg : *
>>>>
>>>> InputFile            ../mobile.cif.yuv  # Input  file
>>>> SourceWidth          352            # Input  frame width
>>>> SourceHeight         288            # Input  frame height
>>>> FrameRateIn          30             # Input  frame rate [Hz]
>>>> FrameRateOut         30             # Output frame rate [Hz]
>>>> MGSVectorMode        0              # MGS vector usage selection
>>>>
>>>> *layer1.cfg*
>>>>
>>>> InputFile            ../mobile.cif.yuv  # Input  file
>>>> SourceWidth          352            # Input  frame width
>>>> SourceHeight         288            # Input  frame height
>>>> FrameRateIn          30             # Input  frame rate [Hz]
>>>> FrameRateOut         30             # Output frame rate [Hz]
>>>> InterLayerPred       1              # Inter-layer Prediction (0: no, 1:
>>>> yes, 2:adaptive)
>>>> MGSVectorMode        0              # MGS vector usage selection
>>>>
>>>> Thanks in advance.
>>>>
>>>> Yahia
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
>>
>