avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / hapdec.c

diff --git a/libavcodec/hapdec.c b/libavcodec/hapdec.c
index ab364aa79061b2b9027fe87cf355cf203db555ea..2c8c5c36ba125f79029e0d66b84385be0c11d9e4 100644 (file)
--- a/libavcodec/hapdec.c
+++ b/libavcodec/hapdec.c
@@ -105,6 +105,8 @@ static int hap_parse_decode_instructions(HapContext *ctx, int size)
         size_t running_size = 0;
         for (i = 0; i < ctx->chunk_count; i++) {
             ctx->chunks[i].compressed_offset = running_size;
+            if (ctx->chunks[i].compressed_size > UINT32_MAX - running_size)
+                return AVERROR_INVALIDDATA;
             running_size += ctx->chunks[i].compressed_size;
         }
     }
@@ -186,7 +188,7 @@ static int hap_parse_frame_header(AVCodecContext *avctx)
         HapChunk *chunk = &ctx->chunks[i];
 
         /* Check the compressed buffer is valid */
-        if (chunk->compressed_offset + chunk->compressed_size > bytestream2_get_bytes_left(gbc))
+        if (chunk->compressed_offset + (uint64_t)chunk->compressed_size > bytestream2_get_bytes_left(gbc))
             return AVERROR_INVALIDDATA;
 
         /* Chunks are unpacked sequentially, ctx->tex_size is the uncompressed
@@ -476,7 +478,7 @@ static av_cold int hap_close(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec ff_hap_decoder = {
+const AVCodec ff_hap_decoder = {
     .name           = "hap",
     .long_name      = NULL_IF_CONFIG_SMALL("Vidvox Hap"),
     .type           = AVMEDIA_TYPE_VIDEO,