[FFmpeg-devel] [FFmpeg-cvslog] lavf/isom: add Dolby Vision sample entry codes for HEVC and H.264
Paul B Mahol
onemda at gmail.com
Mon Dec 17 23:40:33 EET 2018
On 12/17/18, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2018-12-17 22:27 GMT+01:00, Rodger Combs <git at videolan.org>:
>> ffmpeg | branch: master | Rodger Combs <rodger.combs at gmail.com> | Mon Nov
>> 10:26:24 2018 -0600| [6ebe88f3a4c427511eba7495896f4a57a2b4b529] |
>> Jan Ekström
>> lavf/isom: add Dolby Vision sample entry codes for HEVC and H.264
>> These are registered identifiers at the MPEG-4 RA, which are
>> defined as to be utilized for Dolby Vision AVC/HEVC streams that
>> are not correctly presentable by standards-compliant AVC/HEVC players.
>> According to the Dolby Vision specification for ISOBMFF, these sample
>> entry codes are specified to have the standard AVC or HEVC decoder
>> configuration box in addition to the Dolby custom DOVIConfigurationBox.
>> This is what enables us to decode the streams without custom parsing.
>> For correct presentation information from the DOVIConfigurationBox
>> is required (YCbCr or modified ICtCP, SDR or HDR, base or enhancement
> This is not only missing a requested mention of the relevant ticket
> where a sample
> for this patch is linked (apparently the only one existing) but also a
> mention of Igor Selivanov who had sent an identical patch to the mailing
The patches are different.
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