Message ID | 20180424190501.23908-2-cus@passwd.hu |
---|---|
State | Accepted |
Commit | e894d958fce6f47cbe1e4a5e3f2c74af47057125 |
Headers | show |
On Tue, 24 Apr 2018, Marton Balint wrote: > Signed-off-by: Marton Balint <cus@passwd.hu> > --- > libavcodec/anm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/anm.c b/libavcodec/anm.c > index 72684189bb..ab6a3994e9 100644 > --- a/libavcodec/anm.c > +++ b/libavcodec/anm.c > @@ -54,7 +54,7 @@ static av_cold int decode_init(AVCodecContext *avctx) > > bytestream2_skipu(&s->gb, 16 * 8); > for (i = 0; i < 256; i++) > - s->palette[i] = bytestream2_get_le32u(&s->gb); > + s->palette[i] = (0xFFU << 24) | bytestream2_get_le32u(&s->gb); > > return 0; > } Meanwhile I found some "documentation" about the file format: http://ftp.textmod.es/mirror/ftp.shroo.ms/textfiles.com/programming/FORMATS/animfile.txt It says: Following the anim file header is the color palette: ULONG palette[256] Color palette arranged as 3 bytes each of Red Green & Blue and one unused byte. So the extra byte indeed seems unused and it is not related to transparency. Regards, Marton
2018-04-24 21:04 GMT+02:00, Marton Balint <cus@passwd.hu>: > Signed-off-by: Marton Balint <cus@passwd.hu> > --- > libavcodec/anm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/anm.c b/libavcodec/anm.c > index 72684189bb..ab6a3994e9 100644 > --- a/libavcodec/anm.c > +++ b/libavcodec/anm.c > @@ -54,7 +54,7 @@ static av_cold int decode_init(AVCodecContext *avctx) > > bytestream2_skipu(&s->gb, 16 * 8); > for (i = 0; i < 256; i++) > - s->palette[i] = bytestream2_get_le32u(&s->gb); > + s->palette[i] = (0xFFU << 24) | bytestream2_get_le32u(&s->gb); This is also ok just by looking at our samples. Thank you, Carl Eugen
diff --git a/libavcodec/anm.c b/libavcodec/anm.c index 72684189bb..ab6a3994e9 100644 --- a/libavcodec/anm.c +++ b/libavcodec/anm.c @@ -54,7 +54,7 @@ static av_cold int decode_init(AVCodecContext *avctx) bytestream2_skipu(&s->gb, 16 * 8); for (i = 0; i < 256; i++) - s->palette[i] = bytestream2_get_le32u(&s->gb); + s->palette[i] = (0xFFU << 24) | bytestream2_get_le32u(&s->gb); return 0; }
Signed-off-by: Marton Balint <cus@passwd.hu> --- libavcodec/anm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)