X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fidcinvideo.c;h=c936ebbcc3e630c1d78e021c84536791a8491278;hb=ebd4c3add1ecad2c65ac80f0787ca5c1e78b600e;hp=7ce9c42a399ace25cd062819004e859e5ea76ebb;hpb=3aab27b4599911aad2fd9dc14cdc66414bf27eb3;p=ffmpeg

diff --git a/libavcodec/idcinvideo.c b/libavcodec/idcinvideo.c
index 7ce9c42a399..c936ebbcc3e 100644
--- a/libavcodec/idcinvideo.c
+++ b/libavcodec/idcinvideo.c
@@ -2,25 +2,25 @@
  * id Quake II CIN Video Decoder
  * Copyright (C) 2003 the ffmpeg project
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file libavcodec/idcinvideo.c
+ * @file
  * id Quake II Cin Video Decoder by Dr. Tim Ferguson
  * For more information about the id CIN format, visit:
  *   http://www.csse.monash.edu.au/~timf/
@@ -36,7 +36,7 @@
  * a little more compression by exploiting the fact that adjacent pixels
  * tend to be similar.
  *
- * Note that this decoder could use ffmpeg's optimized VLC facilities
+ * Note that this decoder could use libavcodec's optimized VLC facilities
  * rather than naive, tree-based Huffman decoding. However, there are 256
  * Huffman tables. Plus, the VLC bit coding order is right -> left instead
  * or left -> right, so all of the bits would have to be reversed. Further,
@@ -72,12 +72,13 @@ typedef struct IdcinContext {
     hnode huff_nodes[256][HUF_TOKENS*2];
     int num_huff_nodes[256];
 
+    uint32_t pal[256];
 } IdcinContext;
 
 /*
  * Find the lowest probability node in a Huffman table, and mark it as
  * being assigned to a higher probability.
- * Returns the node index of the lowest unused node, or -1 if all nodes
+ * @return the node index of the lowest unused node, or -1 if all nodes
  * are used.
  */
 static int huff_smallest_node(hnode *hnodes, int num_hnodes) {
@@ -213,7 +214,7 @@ static int idcin_decode_frame(AVCodecContext *avctx,
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     IdcinContext *s = avctx->priv_data;
-    AVPaletteControl *palette_control = avctx->palctrl;
+    const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
 
     s->buf = buf;
     s->size = buf_size;
@@ -228,13 +229,12 @@ static int idcin_decode_frame(AVCodecContext *avctx,
 
     idcin_decode_vlcs(s);
 
-    /* make the palette available on the way out */
-    memcpy(s->frame.data[1], palette_control->palette, PALETTE_COUNT * 4);
-    /* If palette changed inform application*/
-    if (palette_control->palette_changed) {
-        palette_control->palette_changed = 0;
+    if (pal) {
         s->frame.palette_has_changed = 1;
+        memcpy(s->pal, pal, AVPALETTE_SIZE);
     }
+    /* make the palette available on the way out */
+    memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
 
     *data_size = sizeof(AVFrame);
     *(AVFrame*)data = s->frame;
@@ -253,16 +253,14 @@ static av_cold int idcin_decode_end(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec idcin_decoder = {
-    "idcinvideo",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_IDCIN,
-    sizeof(IdcinContext),
-    idcin_decode_init,
-    NULL,
-    idcin_decode_end,
-    idcin_decode_frame,
-    CODEC_CAP_DR1,
-    .long_name = NULL_IF_CONFIG_SMALL("id Quake II CIN video"),
+AVCodec ff_idcin_decoder = {
+    .name           = "idcinvideo",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_IDCIN,
+    .priv_data_size = sizeof(IdcinContext),
+    .init           = idcin_decode_init,
+    .close          = idcin_decode_end,
+    .decode         = idcin_decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .long_name      = NULL_IF_CONFIG_SMALL("id Quake II CIN video"),
 };
-