merged final cvs changes to git

[swftools.git] / lib / modules / swfbits.c

diff --git a/lib/modules/swfbits.c b/lib/modules/swfbits.c
index 4510c48..90c8549 100644 (file)
--- a/lib/modules/swfbits.c
+++ b/lib/modules/swfbits.c
@@ -299,8 +299,8 @@ int swf_SetJPEGBitsFinish(JPEGBITS * jpegbits)
     return 0;
 }
 
-void swf_SetJPEGBits2(TAG * tag, U16 width, U16 height, RGBA * bitmap,
-                     int quality)
+#if defined(HAVE_JPEGLIB)
+void swf_SetJPEGBits2(TAG * tag, U16 width, U16 height, RGBA * bitmap, int quality)
 {
     JPEGBITS *jpeg;
     int y;
@@ -318,8 +318,15 @@ void swf_SetJPEGBits2(TAG * tag, U16 width, U16 height, RGBA * bitmap,
     rfx_free(scanline);
     swf_SetJPEGBitsFinish(jpeg);
 }
+#else
+void swf_SetJPEGBits2(TAG * tag, U16 width, U16 height, RGBA * bitmap, int quality)
+{
+    fprintf(stderr, "Error: swftools compiled without jpeglib\n");
+    return -1;
+}
+#endif
 
-void swf_GetJPEGSize(char *fname, int *width, int *height)
+void swf_GetJPEGSize(const char *fname, int *width, int *height)
 {
     struct jpeg_decompress_struct cinfo;
     struct jpeg_error_mgr jerr;
@@ -340,7 +347,7 @@ void swf_GetJPEGSize(char *fname, int *width, int *height)
     fclose(fi);
 }
 
-int swf_SetJPEGBits(TAG * t, char *fname, int quality)
+int swf_SetJPEGBits(TAG * t, const char *fname, int quality)
 {
     struct jpeg_decompress_struct cinfo;
     struct jpeg_error_mgr jerr;
@@ -1158,6 +1165,15 @@ int swf_SetJPEGBits3(TAG * tag, U16 width, U16 height, RGBA * bitmap, int qualit
     return 0;
 }
 
+#else
+int swf_SetJPEGBits3(TAG * tag, U16 width, U16 height, RGBA * bitmap, int quality)
+{
+    fprintf(stderr, "Error: swftools compiled without jpeglib\n");
+    return -1;
+}
+#endif
+
+
 /* expects mem to be non-premultiplied */
 TAG* swf_AddImage(TAG*tag, int bitid, RGBA*mem, int width, int height, int quality)
 {
@@ -1169,6 +1185,7 @@ TAG* swf_AddImage(TAG*tag, int bitid, RGBA*mem, int width, int height, int quali
     swf_SetU16(tag1, bitid);
     swf_SetLosslessImage(tag1, mem, width, height);
 
+#if defined(HAVE_JPEGLIB)
     /* try jpeg image */
     if(has_alpha) {
        tag2 = swf_InsertTag(0, ST_DEFINEBITSJPEG3);
@@ -1179,25 +1196,24 @@ TAG* swf_AddImage(TAG*tag, int bitid, RGBA*mem, int width, int height, int quali
        swf_SetU16(tag2, bitid);
        swf_SetJPEGBits2(tag2, width, height, mem, quality);
     }
+#endif
 
-    if(quality>100 || (tag1 && tag1->len < tag2->len)) {
+    if(quality>100 || !tag2 || (tag1 && tag1->len < tag2->len)) {
        /* use the zlib version- it's smaller */
        tag1->prev = tag;
        if(tag) tag->next = tag1;
        tag = tag1;
-       swf_DeleteTag(tag2);
+       swf_DeleteTag(0, tag2);
     } else {
        /* use the jpeg version- it's smaller */
        tag2->prev = tag;
        if(tag) tag->next = tag2;
        tag = tag2;
-       swf_DeleteTag(tag1);
+       swf_DeleteTag(0, tag1);
     }
     return tag;
 }
 
-#endif
-
 RGBA *swf_ExtractImage(TAG * tag, int *dwidth, int *dheight)
 {
     RGBA *img;
@@ -1260,7 +1276,7 @@ void swf_RemoveJPEGTables(SWF * swf)
     }
     if (swf->firstTag == tables_tag)
        swf->firstTag = tables_tag->next;
-    swf_DeleteTag(tables_tag);
+    swf_DeleteTag(swf, tables_tag);
 }
 
 typedef struct scale_lookup {