Quoting Michael Niedermayer (2021-12-03 15:04:47) > On Sat, Sep 18, 2021 at 06:27:15PM +0200, Michael Niedermayer wrote: > > On Fri, Sep 17, 2021 at 08:06:48PM +0200, Paul B Mahol wrote: > > > On Fri, Sep 17, 2021 at 8:00 PM Michael Niedermayer > > > <mich...@niedermayer.cc> > > > wrote: > > > > > > > On Fri, Sep 17, 2021 at 07:35:32PM +0200, Paul B Mahol wrote: > > > > > Please do not apply, This actually changes output to nothing. > > > > > > > > Do you have such a TGA file without an image in it? > > > > > > > > Why would that be relevant, comply with TGA specifications please. > > > > > > thx > > > > It is relevant as it would allow to check how such a file is handled > > by various implementations > > The specification does not specify that. It just says > > "No image Data included" > > and our decoder returns a black image, the specification doesnt say that > > means "black image" or i missed it when reading > > after the patch the decoder returns nothing instead of a black image > > The other type this might reach is type 8, the specification i have doesnt > > say anything about type 8 except that its reserved > > > > Truevision TGAa > > FILE FORMAT SPECIFICATION > > Version 2.0 > > ... > > Image Type - Field 3 (1 byte): > > The TGA File Format can be used to store Pseudo-Color, True-Color and > > Direct-Color images of various > > pixel depths. Truevision has currently defined seven image types: > > image Description > > Type 0 No image Data included > > ping > what do you prefer for this issue ? > Id like to do something here not just ignore it even if the conclusion is > that this is "not a bug but intended behavior"
A brief look at other opensource decoders suggest they don't support type==0 at all. image-rs does, but it's not clear to be what its output is. I'd say not returning a frame is reasonable. -- Anton Khirnov _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
