Add convenience macros for 5.0/5.1 back speaker configurations.

[ffmpeg] / libavcodec / png.h

diff --git a/libavcodec/png.h b/libavcodec/png.h
index 0fde3f41d6bf55265477ede55c395729b025ec88..97e81f5628a2f297177e44369ad882dd20ed442b 100644 (file)
--- a/libavcodec/png.h
+++ b/libavcodec/png.h
@@ -1,6 +1,6 @@
 /*
  * PNG image format
- * Copyright (c) 2003 Fabrice Bellard.
+ * Copyright (c) 2003 Fabrice Bellard
  *
  * This file is part of FFmpeg.
  *
@@ -64,14 +64,13 @@ extern const uint8_t ff_png_pass_xshift[NB_PASSES];
 /* Mask to determine which pixels are valid in a pass */
 extern const uint8_t ff_png_pass_mask[NB_PASSES];
 
-extern void *ff_png_zalloc(void *opaque, unsigned int items,
-                           unsigned int size);
+void *ff_png_zalloc(void *opaque, unsigned int items, unsigned int size);
 
-extern void ff_png_zfree(void *opaque, void *ptr);
+void ff_png_zfree(void *opaque, void *ptr);
 
-extern int ff_png_get_nb_channels(int color_type);
+int ff_png_get_nb_channels(int color_type);
 
 /* compute the row size of an interleaved pass */
-extern int ff_png_pass_row_size(int pass, int bits_per_pixel, int width);
+int ff_png_pass_row_size(int pass, int bits_per_pixel, int width);
 
 #endif /* AVCODEC_PNG_H */