avcodec: Factor updating palette out

Because the properties of frames returned from ff_get/reget_buffer
are not reset at all, lots of returned frames had palette_has_changed
wrongly set to 1. This has been changed, too.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

1 files changed, 1 insertions, 9 deletions

diff --git a/libavcodec/qtrle.c b/libavcodec/qtrle.c
index e04fd31431..33da393bd1 100644
--- a/libavcodec/qtrle.c
+++ b/libavcodec/qtrle.c
@@ -540,15 +540,7 @@ static int qtrle_decode_frame(AVCodecContext *avctx,
     }
 
     if(has_palette) {
-        buffer_size_t size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-
-        if (pal && size == AVPALETTE_SIZE) {
-            s->frame->palette_has_changed = 1;
-            memcpy(s->pal, pal, AVPALETTE_SIZE);
-        } else if (pal) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
-        }
+        s->frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
 
         /* make the palette available on the way out */
         memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);