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vfwcap: Add fallback define for HWND_MESSAGE

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Some obsolete versions of the MinGW32 runtime (<4.0.0) lack the definition.
This commit is contained in:
Diego Biurrun 2014-08-25 17:26:15 +02:00
parent 6ee1cb5740
commit ab56fabe62
1 changed files with 5 additions and 0 deletions
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5
libavdevice/vfwcap.c
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@ -27,6 +27,11 @@
#include <windows.h>
#include <vfw.h>
/* Some obsolete versions of MinGW32 before 4.0.0 lack this. */
#ifndef HWND_MESSAGE
#define HWND_MESSAGE ((HWND) -3)
#endif
struct vfw_ctx {
const AVClass *class;
HWND hwnd;