Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-19 Thread James Almer
On 9/18/2019 7:27 AM, Hello Vectronic wrote: > > >> On 18 Sep 2019, at 11:09, Hendrik Leppkes wrote: >> >> On Wed, Sep 18, 2019 at 11:37 AM Hello Vectronic >> wrote: >>> >>> Hello, >>> >>> I need to implement support for reading and writing ICC profiles which can >>> be stored in MOV/MP4 sampl

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-19 Thread vectronic
> On 18 Sep 2019, at 18:43, Derek Buitenhuis wrote: > > On 18/09/2019 17:29, Hello Vectronic wrote: >> And here is an example file: http://vectronic.io/icc-profile/icc-profile.mov >> >> And here is the relevant standard: >> https://standards.iso.org/ittf/PubliclyAvailableStandards/c068960_ISO

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Derek Buitenhuis
On 18/09/2019 17:29, Hello Vectronic wrote: > And here is an example file: http://vectronic.io/icc-profile/icc-profile.mov > > And here is the relevant standard: > https://standards.iso.org/ittf/PubliclyAvailableStandards/c068960_ISO_IEC_14496-12_2015.zip > Of note, the example file is not ISOB

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Hello Vectronic
> On 18 Sep 2019, at 15:27, Derek Buitenhuis wrote: > > On 18/09/2019 10:30, Hello Vectronic wrote: >> I need to implement support for reading and writing ICC profiles which can >> be stored in MOV/MP4 sample descriptor colour information. > > Does anything exist that can even consume or produc

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Derek Buitenhuis
On 18/09/2019 10:30, Hello Vectronic wrote: > I need to implement support for reading and writing ICC profiles which can be > stored in MOV/MP4 sample descriptor colour information. Does anything exist that can even consume or produce these sorts of files? I looked a while back, and found litera

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Derek Buitenhuis
On 18/09/2019 10:30, Hello Vectronic wrote: > The relevant extract from the ISO standard is: Where is the relevant extract for MOV mode? The QTFF docs literally say[1]: If the color parameter type is 'prof', then this field is followed by an ICC profile. This is the color model used by A

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Hello Vectronic
> On 18 Sep 2019, at 11:09, Hendrik Leppkes wrote: > > On Wed, Sep 18, 2019 at 11:37 AM Hello Vectronic > wrote: >> >> Hello, >> >> I need to implement support for reading and writing ICC profiles which can >> be stored in MOV/MP4 sample descriptor colour information. >> >> The relevant ex

Re: [FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Hendrik Leppkes
On Wed, Sep 18, 2019 at 11:37 AM Hello Vectronic wrote: > > Hello, > > I need to implement support for reading and writing ICC profiles which can be > stored in MOV/MP4 sample descriptor colour information. > > The relevant extract from the ISO standard is: > > class ColourInformationBox extends

[FFmpeg-devel] Adding ICC profile support to MOV decode/encode

2019-09-18 Thread Hello Vectronic
Hello, I need to implement support for reading and writing ICC profiles which can be stored in MOV/MP4 sample descriptor colour information. The relevant extract from the ISO standard is: class ColourInformationBox extends Box('colr'){ unsigned int(32) colour_type; if (colour_type == 'n