avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / imx.c

diff --git a/libavcodec/imx.c b/libavcodec/imx.c
index 0d6c99e5bfc7a2bbb4d429a3043503e46d55d270..d81a0de7be5d3963777c7431f07667c26f4e8cae 100644 (file)
--- a/libavcodec/imx.c
+++ b/libavcodec/imx.c
@@ -21,6 +21,7 @@
 #include "libavutil/common.h"
 #include "avcodec.h"
 #include "bytestream.h"
+#include "decode.h"
 #include "internal.h"
 
 typedef struct SimbiosisIMXContext {
@@ -50,16 +51,13 @@ static int imx_decode_frame(AVCodecContext *avctx, void *data,
 {
     SimbiosisIMXContext *imx = avctx->priv_data;
     int ret, x, y;
-    buffer_size_t pal_size;
-    const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
     AVFrame *frame = imx->frame;
     GetByteContext gb;
 
     if ((ret = ff_reget_buffer(avctx, frame, 0)) < 0)
         return ret;
 
-    if (pal && pal_size == AVPALETTE_SIZE) {
-        memcpy(imx->pal, pal, pal_size);
+    if (ff_copy_palette(imx->pal, avpkt, avctx)) {
         frame->palette_has_changed = 1;
         frame->key_frame = 1;
     } else {
@@ -181,7 +179,7 @@ static int imx_decode_close(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec ff_simbiosis_imx_decoder = {
+const AVCodec ff_simbiosis_imx_decoder = {
     .name           = "simbiosis_imx",
     .long_name      = NULL_IF_CONFIG_SMALL("Simbiosis Interactive IMX Video"),
     .type           = AVMEDIA_TYPE_VIDEO,