fraps: Make the input buffer size checks more strict

[ffmpeg] / libavcodec / mjpegenc.c

diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c
index 41f81af0e4ca7d1c9922b4c6624e384cb114f300..051cd12742027f899b7cf122a7e2042d93ea5c07 100644 (file)
--- a/libavcodec/mjpegenc.c
+++ b/libavcodec/mjpegenc.c
@@ -30,11 +30,9 @@
  * MJPEG encoder.
  */
 
-//#define DEBUG
 #include <assert.h>
 
 #include "avcodec.h"
-#include "dsputil.h"
 #include "mpegvideo.h"
 #include "mjpeg.h"
 #include "mjpegenc.h"
@@ -58,20 +56,20 @@ av_cold int ff_mjpeg_encode_init(MpegEncContext *s)
     /* build all the huffman tables */
     ff_mjpeg_build_huffman_codes(m->huff_size_dc_luminance,
                                  m->huff_code_dc_luminance,
-                                 ff_mjpeg_bits_dc_luminance,
-                                 ff_mjpeg_val_dc);
+                                 avpriv_mjpeg_bits_dc_luminance,
+                                 avpriv_mjpeg_val_dc);
     ff_mjpeg_build_huffman_codes(m->huff_size_dc_chrominance,
                                  m->huff_code_dc_chrominance,
-                                 ff_mjpeg_bits_dc_chrominance,
-                                 ff_mjpeg_val_dc);
+                                 avpriv_mjpeg_bits_dc_chrominance,
+                                 avpriv_mjpeg_val_dc);
     ff_mjpeg_build_huffman_codes(m->huff_size_ac_luminance,
                                  m->huff_code_ac_luminance,
-                                 ff_mjpeg_bits_ac_luminance,
-                                 ff_mjpeg_val_ac_luminance);
+                                 avpriv_mjpeg_bits_ac_luminance,
+                                 avpriv_mjpeg_val_ac_luminance);
     ff_mjpeg_build_huffman_codes(m->huff_size_ac_chrominance,
                                  m->huff_code_ac_chrominance,
-                                 ff_mjpeg_bits_ac_chrominance,
-                                 ff_mjpeg_val_ac_chrominance);
+                                 avpriv_mjpeg_bits_ac_chrominance,
+                                 avpriv_mjpeg_val_ac_chrominance);
 
     s->mjpeg_ctx = m;
     return 0;
@@ -138,15 +136,15 @@ static void jpeg_table_header(MpegEncContext *s)
     ptr = put_bits_ptr(p);
     put_bits(p, 16, 0); /* patched later */
     size = 2;
-    size += put_huffman_table(s, 0, 0, ff_mjpeg_bits_dc_luminance,
-                              ff_mjpeg_val_dc);
-    size += put_huffman_table(s, 0, 1, ff_mjpeg_bits_dc_chrominance,
-                              ff_mjpeg_val_dc);
-
-    size += put_huffman_table(s, 1, 0, ff_mjpeg_bits_ac_luminance,
-                              ff_mjpeg_val_ac_luminance);
-    size += put_huffman_table(s, 1, 1, ff_mjpeg_bits_ac_chrominance,
-                              ff_mjpeg_val_ac_chrominance);
+    size += put_huffman_table(s, 0, 0, avpriv_mjpeg_bits_dc_luminance,
+                              avpriv_mjpeg_val_dc);
+    size += put_huffman_table(s, 0, 1, avpriv_mjpeg_bits_dc_chrominance,
+                              avpriv_mjpeg_val_dc);
+
+    size += put_huffman_table(s, 1, 0, avpriv_mjpeg_bits_ac_luminance,
+                              avpriv_mjpeg_val_ac_luminance);
+    size += put_huffman_table(s, 1, 1, avpriv_mjpeg_bits_ac_chrominance,
+                              avpriv_mjpeg_val_ac_chrominance);
     AV_WB16(ptr, size);
 }
 
@@ -161,7 +159,7 @@ static void jpeg_put_comments(MpegEncContext *s)
     /* JFIF header */
     put_marker(p, APP0);
     put_bits(p, 16, 16);
-    ff_put_string(p, "JFIF", 1); /* this puts the trailing zero-byte too */
+    avpriv_put_string(p, "JFIF", 1); /* this puts the trailing zero-byte too */
     put_bits(p, 16, 0x0201); /* v 1.02 */
     put_bits(p, 8, 0); /* units type: 0 - aspect ratio */
     put_bits(p, 16, s->avctx->sample_aspect_ratio.num);
@@ -176,19 +174,19 @@ static void jpeg_put_comments(MpegEncContext *s)
         flush_put_bits(p);
         ptr = put_bits_ptr(p);
         put_bits(p, 16, 0); /* patched later */
-        ff_put_string(p, LIBAVCODEC_IDENT, 1);
+        avpriv_put_string(p, LIBAVCODEC_IDENT, 1);
         size = strlen(LIBAVCODEC_IDENT)+3;
         AV_WB16(ptr, size);
     }
 
-    if(  s->avctx->pix_fmt == PIX_FMT_YUV420P
-       ||s->avctx->pix_fmt == PIX_FMT_YUV422P
-       ||s->avctx->pix_fmt == PIX_FMT_YUV444P){
+    if(  s->avctx->pix_fmt == AV_PIX_FMT_YUV420P
+       ||s->avctx->pix_fmt == AV_PIX_FMT_YUV422P
+       ||s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){
         put_marker(p, COM);
         flush_put_bits(p);
         ptr = put_bits_ptr(p);
         put_bits(p, 16, 0); /* patched later */
-        ff_put_string(p, "CS=ITU601", 1);
+        avpriv_put_string(p, "CS=ITU601", 1);
         size = strlen("CS=ITU601")+3;
         AV_WB16(ptr, size);
     }
@@ -211,7 +209,7 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s)
     }
 
     put_bits(&s->pb, 16, 17);
-    if(lossless && s->avctx->pix_fmt == PIX_FMT_BGRA)
+    if(lossless && s->avctx->pix_fmt == AV_PIX_FMT_BGRA)
         put_bits(&s->pb, 8, 9); /* 9 bits/component RCT */
     else
         put_bits(&s->pb, 8, 8); /* 8 bits/component */
@@ -320,7 +318,6 @@ static void escape_FF(MpegEncContext *s, int start)
         int v= buf[i];
 
         if(v==0xFF){
-//printf("%d %d\n", i, ff_count);
             buf[i+ff_count]= 0;
             ff_count--;
         }
@@ -370,7 +367,7 @@ void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
     }
 }
 
-static void encode_block(MpegEncContext *s, DCTELEM *block, int n)
+static void encode_block(MpegEncContext *s, int16_t *block, int n)
 {
     int mant, nbits, code, i, j;
     int component, dc, run, last_index, val;
@@ -428,7 +425,7 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n)
         put_bits(&s->pb, huff_size_ac[0], huff_code_ac[0]);
 }
 
-void ff_mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64])
+void ff_mjpeg_encode_mb(MpegEncContext *s, int16_t block[6][64])
 {
     int i;
     for(i=0;i<5;i++) {
@@ -453,8 +450,8 @@ AVCodec ff_mjpeg_encoder = {
     .init           = ff_MPV_encode_init,
     .encode2        = ff_MPV_encode_picture,
     .close          = ff_MPV_encode_end,
-    .pix_fmts       = (const enum PixelFormat[]){
-        PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_NONE
+    .pix_fmts       = (const enum AVPixelFormat[]){
+        AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_NONE
     },
     .long_name      = NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"),
 };