Adding libav (ffmpeg) header file, allowing upcoming dynamic linked GLMediaPlayer impl. to be compiled (LGPL terms)

Libav header:
  libavutil   51.22.1
  libavformat 53.21.0
  libavcodec  53.35.0

.. just to ease our compile time setup.

1 files changed, 144 insertions, 0 deletions

diff --git a/make/stub_includes/libav/libavcodec/vda.h b/make/stub_includes/libav/libavcodec/vda.h
new file mode 100644
index 000000000..2cb51c5f5
--- /dev/null
+++ b/make/stub_includes/libav/libavcodec/vda.h
@@ -0,0 +1,144 @@
+/*
+ * VDA HW acceleration
+ *
+ * copyright (c) 2011 Sebastien Zwickert
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_VDA_H
+#define AVCODEC_VDA_H
+
+#include <pthread.h>
+#include <stdint.h>
+
+// emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes
+// http://openradar.appspot.com/8026390
+#undef __GNUC_STDC_INLINE__
+
+#define Picture QuickdrawPicture
+#include <VideoDecodeAcceleration/VDADecoder.h>
+#undef Picture
+
+/**
+ *  This structure is used to store a decoded frame information and data.
+ */
+typedef struct vda_frame {
+    /**
+    * The PTS of the frame.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by libavcodec.
+    */
+    int64_t             pts;
+
+    /**
+    * The CoreVideo buffer that contains the decoded data.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by libavcodec.
+    */
+    CVPixelBufferRef    cv_buffer;
+
+    /**
+    * A pointer to the next frame.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by libavcodec.
+    */
+    struct vda_frame    *next_frame;
+} vda_frame;
+
+/**
+ * This structure is used to provide the necessary configurations and data
+ * to the VDA Libav HWAccel implementation.
+ *
+ * The application must make it available as AVCodecContext.hwaccel_context.
+ */
+struct vda_context {
+    /**
+    * VDA decoder object.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by libavcodec.
+    */
+    VDADecoder          decoder;
+
+    /**
+    * VDA frames queue ordered by presentation timestamp.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by libavcodec.
+    */
+    vda_frame           *queue;
+
+    /**
+    * Mutex for locking queue operations.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by libavcodec.
+    */
+    pthread_mutex_t     queue_mutex;
+
+    /**
+    * The frame width.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by user.
+    */
+    int                 width;
+
+    /**
+    * The frame height.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by user.
+    */
+    int                 height;
+
+    /**
+    * The frame format.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by user.
+    */
+    int                 format;
+
+    /**
+    * The pixel format for output image buffers.
+    *
+    * - encoding: unused
+    * - decoding: Set/Unset by user.
+    */
+    OSType              cv_pix_fmt_type;
+};
+
+/** Create the video decoder. */
+int ff_vda_create_decoder(struct vda_context *vda_ctx,
+                          uint8_t *extradata,
+                          int extradata_size);
+
+/** Destroy the video decoder. */
+int ff_vda_destroy_decoder(struct vda_context *vda_ctx);
+
+/** Return the top frame of the queue. */
+vda_frame *ff_vda_queue_pop(struct vda_context *vda_ctx);
+
+/** Release the given frame. */
+void ff_vda_release_vda_frame(vda_frame *frame);
+
+#endif /* AVCODEC_VDA_H */