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, 2 insertions, 10 deletions

diff --git a/libavcodec/8bps.c b/libavcodec/8bps.c
index 53e939d35d..dda8b8b1c9 100644
--- a/libavcodec/8bps.c
+++ b/libavcodec/8bps.c
@@ -37,6 +37,7 @@
 #include "libavutil/internal.h"
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
+#include "decode.h"
 #include "internal.h"
 
 
@@ -122,16 +123,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
     }
 
     if (avctx->bits_per_coded_sample <= 8) {
-        buffer_size_t size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt,
-                                                     AV_PKT_DATA_PALETTE,
-                                                     &size);
-        if (pal && size == AVPALETTE_SIZE) {
-            frame->palette_has_changed = 1;
-            memcpy(c->pal, pal, AVPALETTE_SIZE);
-        } else if (pal) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
-        }
+        frame->palette_has_changed = ff_copy_palette(c->pal, avpkt, avctx);
 
         memcpy (frame->data[1], c->pal, AVPALETTE_SIZE);
     }