Hi Mats, On Mon, Mar 7, 2016 at 8:59 PM, Mats Peterson < matsp888-at-yahoo....@ffmpeg.org> wrote:
> On 03/07/2016 07:48 PM, Mats Peterson wrote: > >> On 03/07/2016 07:43 PM, Mats Peterson wrote: >> >>> Here's a somewhat experimental patch with a new AVOption >>> write_keyframe_palette that allows you to write the palette to every >>> keyframe. It is disabled by default, but it is needed for any file that >>> contains palette changes. >>> >>> >> It is needed in order to switch palette properly when seeking, that is. >> >> > It's interesting to note that Windows Media Player doesn't need xxpc > chunks at keyframes in order to seek properly in the following original > file from Sierra's King's Quest VI. I have of course no idea how they solve > that. > > This original file doesn't work properly in FFplay for some reason. It > generates "stream_ptr out of bounds" messages at the locations of the xxpc > chunks. > > File: > https://drive.google.com/open?id=0B3_pEBoLs0faaFY0ME92SDA1VEU Please don't wrote so many messages in response to yourself. If you want, I can look at the file. My assumption is that it either indexes or otherwise caches the xxpc chunks so it knows what the last xxpc before-or-on each keyframe seekpoint is. That should be trivial to do in our demuxer also. Ronald _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
