[FFmpeg-trac] #5275(undetermined:closed): fix decoding of mpegable h264 sample

FFmpeg trac at avcodec.org
Sat Feb 27 23:12:37 CET 2016


#5275: fix decoding of mpegable h264 sample
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:  invalid
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by ami_stuff):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 hmm or maybe it's a bug in mpegable encoder... ok I give up on L264
 sample.

 {{{
 C:\>ldecod.exe -i d:\mpegable.264
 ----------------------------- JM 16.0 (FRExt)
 -----------------------------
  Decoder config file                    : (null)
 --------------------------------------------------------------------------
  Input H.264 bitstream                  : d:\mpegable.264
  Output decoded YUV                     : test_dec.yuv
  Output status file                     : log.dec
  Input reference file                   : test_rec.yuv does not exist
                                           SNR values are not available
 --------------------------------------------------------------------------
 POC must = frame# or field# for SNRs to be correct
 --------------------------------------------------------------------------
   Frame          POC  Pic#   QP    SnrY     SnrU     SnrV   Y:U:V Time(ms)
 --------------------------------------------------------------------------
 00000(IDR)        0     0    28                             4:2:0       6
 00001( P )        2     1    28                             4:2:0       5
 00002( P )        4     2    28                             4:2:0       6
 00003( P )        6     3    28                             4:2:0       7
 00004( P )        8     4    28                             4:2:0       7
 00005( P )       10     5    28                             4:2:0       7
 00006( P )       12     6    28                             4:2:0       7
 00007( P )       14     7    28                             4:2:0       8
 00008( P )       16     8    28                             4:2:0       8
 00009( P )       18     9    28                             4:2:0       7
 00010( P )       20    10    28                             4:2:0       8
 00011( P )       22    11    28                             4:2:0       8
 00012( P )       24    12    28                             4:2:0       8
 00013( P )       26    13    28                             4:2:0       7
 00014( P )       28    14    28                             4:2:0       8
 00015( P )       30    15    28                             4:2:0       9
 00016( P )       32    16    28                             4:2:0       9
 00017( P )       34    17    28                             4:2:0       8
 00018( P )       36    18    28                             4:2:0       7
 00019( P )       38    19    28                             4:2:0       5
 00020( P )       40    20    27                             4:2:0       6
 00021( P )       42    21    26                             4:2:0       4
 00022( P )       44    22    25                             4:2:0       5
 00023( P )       46    23    24                             4:2:0       6
 00024( P )       48    24    24                             4:2:0       5
 00025( P )       50    25    23                             4:2:0       5
 00026( P )       52    26    22                             4:2:0       7
 00027( P )       54    27    22                             4:2:0       6
 00028( P )       56    28    22                             4:2:0       5
 00029( P )       58    29    22                             4:2:0       5
 00030( P )       60    30    22                             4:2:0       4
 00031( P )       62    31    21                             4:2:0       7
 00032( P )       64    32    21                             4:2:0       6
 00033( P )       66    33    21                             4:2:0       6
 00034( P )       68    34    21                             4:2:0       6
 00035( P )       70    35    21                             4:2:0       7
 00036( P )       72    36    21                             4:2:0       7
 00037( P )       74    37    21                             4:2:0       6
 00038( P )       76    38    21                             4:2:0       6
 00039( P )       78    39    21                             4:2:0       6
 00040( P )       80    40    21                             4:2:0       7
 00041( P )       82    41    21                             4:2:0       7
 00042( P )       84    42    21                             4:2:0       5
 00043( P )       86    43    21                             4:2:0       6
 00044( P )       88    44    21                             4:2:0       7
 00045( P )       90    45    21                             4:2:0       6
 00046( P )       92    46    21                             4:2:0       7
 00047( P )       94    47    21                             4:2:0       7
 00048( P )       96    48    21                             4:2:0       8
 00049( P )       98    49    21                             4:2:0       6
 illegal chroma intra pred mode!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5275#comment:1>
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