X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcscd.c;h=e4f4b8f8254549de9fecbbcc296e83d2fb5b7c0d;hb=34630b93dc7cf028a4b483c19c4f6ca4162c25c0;hp=3e641235150e5e5f654ac2c5e8d756eb1f413002;hpb=517840c65434b42fb8784ad1ce4a0301d5d6c36d;p=ffmpeg

diff --git a/libavcodec/cscd.c b/libavcodec/cscd.c
index 3e641235150..e4f4b8f8254 100644
--- a/libavcodec/cscd.c
+++ b/libavcodec/cscd.c
@@ -2,30 +2,31 @@
  * CamStudio decoder
  * Copyright (c) 2006 Reimar Doeffinger
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "common.h"
 #include "avcodec.h"
 
-#ifdef CONFIG_ZLIB
+#if CONFIG_ZLIB
 #include <zlib.h>
 #endif
-#include "lzo.h"
+#include "libavutil/lzo.h"
 
 typedef struct {
     AVFrame pic;
@@ -34,7 +35,7 @@ typedef struct {
     unsigned char* decomp_buf;
 } CamStudioContext;
 
-static void copy_frame_default(AVFrame *f, uint8_t *src,
+static void copy_frame_default(AVFrame *f, const uint8_t *src,
                                int linelen, int height) {
     int i;
     uint8_t *dst = f->data[0];
@@ -46,7 +47,7 @@ static void copy_frame_default(AVFrame *f, uint8_t *src,
     }
 }
 
-static void add_frame_default(AVFrame *f, uint8_t *src,
+static void add_frame_default(AVFrame *f, const uint8_t *src,
                               int linelen, int height) {
     int i, j;
     uint8_t *dst = f->data[0];
@@ -58,13 +59,13 @@ static void add_frame_default(AVFrame *f, uint8_t *src,
     }
 }
 
-#ifndef WORDS_BIGENDIAN
+#if !HAVE_BIGENDIAN
 #define copy_frame_16 copy_frame_default
 #define copy_frame_32 copy_frame_default
 #define add_frame_16 add_frame_default
 #define add_frame_32 add_frame_default
 #else
-static void copy_frame_16(AVFrame *f, uint8_t *src,
+static void copy_frame_16(AVFrame *f, const uint8_t *src,
                           int linelen, int height) {
     int i, j;
     uint8_t *dst = f->data[0];
@@ -80,7 +81,7 @@ static void copy_frame_16(AVFrame *f, uint8_t *src,
     }
 }
 
-static void copy_frame_32(AVFrame *f, uint8_t *src,
+static void copy_frame_32(AVFrame *f, const uint8_t *src,
                           int linelen, int height) {
     int i, j;
     uint8_t *dst = f->data[0];
@@ -98,7 +99,7 @@ static void copy_frame_32(AVFrame *f, uint8_t *src,
     }
 }
 
-static void add_frame_16(AVFrame *f, uint8_t *src,
+static void add_frame_16(AVFrame *f, const uint8_t *src,
                          int linelen, int height) {
     int i, j;
     uint8_t *dst = f->data[0];
@@ -114,7 +115,7 @@ static void add_frame_16(AVFrame *f, uint8_t *src,
     }
 }
 
-static void add_frame_32(AVFrame *f, uint8_t *src,
+static void add_frame_32(AVFrame *f, const uint8_t *src,
                          int linelen, int height) {
     int i, j;
     uint8_t *dst = f->data[0];
@@ -134,8 +135,10 @@ static void add_frame_32(AVFrame *f, uint8_t *src,
 #endif
 
 static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
-                        uint8_t *buf, int buf_size) {
-    CamStudioContext *c = (CamStudioContext *)avctx->priv_data;
+                        AVPacket *avpkt) {
+    const uint8_t *buf = avpkt->data;
+    int buf_size = avpkt->size;
+    CamStudioContext *c = avctx->priv_data;
     AVFrame *picture = data;
 
     if (buf_size < 2) {
@@ -157,12 +160,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     switch ((buf[0] >> 1) & 7) {
         case 0: { // lzo compression
             int outlen = c->decomp_size, inlen = buf_size - 2;
-            if (lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen))
+            if (av_lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen))
                 av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
             break;
         }
         case 1: { // zlib compression
-#ifdef CONFIG_ZLIB
+#if CONFIG_ZLIB
             unsigned long dlen = c->decomp_size;
             if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK)
                 av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
@@ -211,28 +214,24 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     return buf_size;
 }
 
-static int decode_init(AVCodecContext *avctx) {
-    CamStudioContext *c = (CamStudioContext *)avctx->priv_data;
-    if (avcodec_check_dimensions(avctx, avctx->height, avctx->width) < 0) {
-        return 1;
-    }
-    avctx->has_b_frames = 0;
-    switch (avctx->bits_per_sample) {
-        case 16: avctx->pix_fmt = PIX_FMT_RGB565; break;
+static av_cold int decode_init(AVCodecContext *avctx) {
+    CamStudioContext *c = avctx->priv_data;
+    switch (avctx->bits_per_coded_sample) {
+        case 16: avctx->pix_fmt = PIX_FMT_RGB555; break;
         case 24: avctx->pix_fmt = PIX_FMT_BGR24; break;
-        case 32: avctx->pix_fmt = PIX_FMT_RGBA32; break;
+        case 32: avctx->pix_fmt = PIX_FMT_RGB32; break;
         default:
             av_log(avctx, AV_LOG_ERROR,
-                   "CamStudio codec error: unvalid depth %i bpp\n",
-                   avctx->bits_per_sample);
+                   "CamStudio codec error: invalid depth %i bpp\n",
+                   avctx->bits_per_coded_sample);
              return 1;
     }
-    c->bpp = avctx->bits_per_sample;
+    c->bpp = avctx->bits_per_coded_sample;
     c->pic.data[0] = NULL;
-    c->linelen = avctx->width * avctx->bits_per_sample / 8;
+    c->linelen = avctx->width * avctx->bits_per_coded_sample / 8;
     c->height = avctx->height;
     c->decomp_size = c->height * c->linelen;
-    c->decomp_buf = av_malloc(c->decomp_size);
+    c->decomp_buf = av_malloc(c->decomp_size + AV_LZO_OUTPUT_PADDING);
     if (!c->decomp_buf) {
         av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
         return 1;
@@ -240,8 +239,8 @@ static int decode_init(AVCodecContext *avctx) {
     return 0;
 }
 
-static int decode_end(AVCodecContext *avctx) {
-    CamStudioContext *c = (CamStudioContext *)avctx->priv_data;
+static av_cold int decode_end(AVCodecContext *avctx) {
+    CamStudioContext *c = avctx->priv_data;
     av_freep(&c->decomp_buf);
     if (c->pic.data[0])
         avctx->release_buffer(avctx, &c->pic);
@@ -250,7 +249,7 @@ static int decode_end(AVCodecContext *avctx) {
 
 AVCodec cscd_decoder = {
     "camstudio",
-    CODEC_TYPE_VIDEO,
+    AVMEDIA_TYPE_VIDEO,
     CODEC_ID_CSCD,
     sizeof(CamStudioContext),
     decode_init,
@@ -258,5 +257,6 @@ AVCodec cscd_decoder = {
     decode_end,
     decode_frame,
     CODEC_CAP_DR1,
+    .long_name = NULL_IF_CONFIG_SMALL("CamStudio"),
 };