[FFmpeg-devel] [PATCH] Handle AV_PIX_FMT_PAL8
Ray
229135609 at qq.com
Sun Aug 15 11:43:36 EEST 2021
---
libavformat/riffenc.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c
index 971c4a7eb8..69761431da 100644
--- a/libavformat/riffenc.c
+++ b/libavformat/riffenc.c
@@ -250,15 +250,6 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters *par,
avio_wl32(pb, pal_avi ? 1 << par->bits_per_coded_sample : 0);
avio_wl32(pb, 0);
- if (par->bits_per_coded_sample == 8) {
- for(int i=0; i<256; i++) {
- avio_w8(pb,i);
- avio_w8(pb,i);
- avio_w8(pb,i);
- avio_w8(pb,0);
- }
- }
-
if (!ignore_extradata) {
if (par->extradata_size) {
avio_write(pb, par->extradata, extradata_size);
@@ -272,6 +263,13 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters *par,
avio_wl32(pb, 0xffffff);
else if (i == 1 && pix_fmt == AV_PIX_FMT_MONOBLACK)
avio_wl32(pb, 0xffffff);
+ else if (pix_fmt == AV_PIX_FMT_PAL8) {
+ /* Initialize 8 bpp palette */
+ avio_w8(pb,i);
+ avio_w8(pb,i);
+ avio_w8(pb,i);
+ avio_w8(pb,0);
+ }
else
avio_wl32(pb, 0);
}
--
2.30.1 (Apple Git-130)
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