diff options
Diffstat (limited to 'libavcodec/sunrast.c')
| -rw-r--r-- | libavcodec/sunrast.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libavcodec/sunrast.c b/libavcodec/sunrast.c index 23999a0743..b602c9dd93 100644 --- a/libavcodec/sunrast.c +++ b/libavcodec/sunrast.c @@ -23,13 +23,30 @@ #include "libavutil/imgutils.h" #include "avcodec.h" +/* The Old and Standard format types indicate that the image data is + * uncompressed. There is no difference between the two formats. */ #define RT_OLD 0 #define RT_STANDARD 1 + +/* The Byte-Encoded format type indicates that the image data is compressed + * using a run-length encoding scheme. */ #define RT_BYTE_ENCODED 2 + +/* The RGB format type indicates that the image is uncompressed with reverse + * component order from Old and Standard (RGB vs BGR). */ #define RT_FORMAT_RGB 3 + +/* The TIFF and IFF format types indicate that the raster file was originally + * converted from either of these file formats. We do not have any samples or + * documentation of the format details. */ #define RT_FORMAT_TIFF 4 #define RT_FORMAT_IFF 5 +/* The Experimental format type is implementation-specific and is generally an + * indication that the image file does not conform to the Sun Raster file + * format specification. */ +#define RT_EXPERIMENTAL 0xffff + typedef struct SUNRASTContext { AVFrame picture; } SUNRASTContext; @@ -70,6 +87,10 @@ static int sunrast_decode_frame(AVCodecContext *avctx, void *data, maplength = AV_RB32(buf+28); buf += 32; + if (type == RT_EXPERIMENTAL) { + av_log(avctx, AV_LOG_ERROR, "unsupported (compression) type\n"); + return -1; + } if (type > RT_FORMAT_IFF) { av_log(avctx, AV_LOG_ERROR, "invalid (compression) type\n"); return -1; |