avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / interplayvideo.c

diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c
index 274641c3d1a90f77b46ebb7a1223f5b7e74659d2..bd1d7c74ba8380d80a235c3b65ccc1386a227eca 100644 (file)
--- a/libavcodec/interplayvideo.c
+++ b/libavcodec/interplayvideo.c
@@ -43,6 +43,7 @@
 #define BITSTREAM_READER_LE
 #include "avcodec.h"
 #include "bytestream.h"
+#include "decode.h"
 #include "get_bits.h"
 #include "hpeldsp.h"
 #include "internal.h"
@@ -1160,7 +1161,6 @@ static void ipvideo_decode_format_11_opcodes(IpvideoContext *s, AVFrame *frame)
 static av_cold int ipvideo_decode_init(AVCodecContext *avctx)
 {
     IpvideoContext *s = avctx->priv_data;
-    int ret;
 
     s->avctx = avctx;
 
@@ -1175,8 +1175,7 @@ static av_cold int ipvideo_decode_init(AVCodecContext *avctx)
     s->prev_decode_frame = av_frame_alloc();
     if (!s->last_frame || !s->second_last_frame ||
         !s->cur_decode_frame || !s->prev_decode_frame) {
-        ret = AVERROR(ENOMEM);
-        goto error;
+        return AVERROR(ENOMEM);
     }
 
     s->cur_decode_frame->width   = avctx->width;
@@ -1187,12 +1186,6 @@ static av_cold int ipvideo_decode_init(AVCodecContext *avctx)
     s->prev_decode_frame->format = avctx->pix_fmt;
 
     return 0;
-error:
-    av_frame_free(&s->last_frame);
-    av_frame_free(&s->second_last_frame);
-    av_frame_free(&s->cur_decode_frame);
-    av_frame_free(&s->prev_decode_frame);
-    return ret;
 }
 
 static int ipvideo_decode_frame(AVCodecContext *avctx,
@@ -1325,14 +1318,7 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
         return ret;
 
     if (!s->is_16bpp) {
-        int 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(s->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(s->pal, avpkt, avctx);
     }
 
     switch (frame_format) {
@@ -1371,7 +1357,7 @@ static av_cold int ipvideo_decode_end(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec ff_interplay_video_decoder = {
+const AVCodec ff_interplay_video_decoder = {
     .name           = "interplayvideo",
     .long_name      = NULL_IF_CONFIG_SMALL("Interplay MVE video"),
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -1381,4 +1367,5 @@ AVCodec ff_interplay_video_decoder = {
     .close          = ipvideo_decode_end,
     .decode         = ipvideo_decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_PARAM_CHANGE,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
 };