vp9_dx_iface: move struct defs to separate header

this avoids redefining vpx_codec_vp9_dx, vpx_codec_vp9_dx_algo in
vp9_encoder_parms_get_to_decoder.cc

Change-Id: I3b89e7a62497227ee32419f1a7d30e4c10a13c05
(cherry picked from commit ca163b85bb13fc07df3e1be60d4e4b71c8e83090)

4 files changed, 68 insertions, 53 deletions

diff --git a/test/vp9_encoder_parms_get_to_decoder.cc b/test/vp9_encoder_parms_get_to_decoder.cc
index 6dc7d2f9e..3ef6022ad 100644
--- a/test/vp9_encoder_parms_get_to_decoder.cc
+++ b/test/vp9_encoder_parms_get_to_decoder.cc
@@ -14,9 +14,7 @@
 #include "test/encode_test_driver.h"
 #include "test/util.h"
 #include "test/y4m_video_source.h"
-#include "vp9/decoder/vp9_decoder.h"
-
-#include "vp9/vp9_dx_iface.c"
+#include "vp9/vp9_dx_iface.h"
 
 namespace {
 
diff --git a/vp9/vp9_dx_iface.c b/vp9/vp9_dx_iface.c
index c6b1ba95f..be5d1600a 100644
--- a/vp9/vp9_dx_iface.c
+++ b/vp9/vp9_dx_iface.c
@@ -24,62 +24,13 @@
 #include "vp9/common/vp9_alloccommon.h"
 #include "vp9/common/vp9_frame_buffers.h"
 
-#include "vp9/decoder/vp9_decoder.h"
 #include "vp9/decoder/vp9_decodeframe.h"
 
+#include "vp9/vp9_dx_iface.h"
 #include "vp9/vp9_iface_common.h"
 
 #define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
 
-typedef vpx_codec_stream_info_t vp9_stream_info_t;
-
-// This limit is due to framebuffer numbers.
-// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
-#define FRAME_CACHE_SIZE 6   // Cache maximum 6 decoded frames.
-
-typedef struct cache_frame {
-  int fb_idx;
-  vpx_image_t img;
-} cache_frame;
-
-struct vpx_codec_alg_priv {
-  vpx_codec_priv_t        base;
-  vpx_codec_dec_cfg_t     cfg;
-  vp9_stream_info_t       si;
-  int                     postproc_cfg_set;
-  vp8_postproc_cfg_t      postproc_cfg;
-  vpx_decrypt_cb          decrypt_cb;
-  void                    *decrypt_state;
-  vpx_image_t             img;
-  int                     img_avail;
-  int                     flushed;
-  int                     invert_tile_order;
-  int                     last_show_frame;  // Index of last output frame.
-  int                     byte_alignment;
-  int                     skip_loop_filter;
-
-  // Frame parallel related.
-  int                     frame_parallel_decode;  // frame-based threading.
-  VPxWorker               *frame_workers;
-  int                     num_frame_workers;
-  int                     next_submit_worker_id;
-  int                     last_submit_worker_id;
-  int                     next_output_worker_id;
-  int                     available_threads;
-  cache_frame             frame_cache[FRAME_CACHE_SIZE];
-  int                     frame_cache_write;
-  int                     frame_cache_read;
-  int                     num_cache_frames;
-  int                     need_resync;      // wait for key/intra-only frame
-  // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
-  BufferPool              *buffer_pool;
-
-  // External frame buffer info to save for VP9 common.
-  void *ext_priv;  // Private data associated with the external frame buffers.
-  vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
-  vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
-};
-
 static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
                                     vpx_codec_priv_enc_mr_cfg_t *data) {
   // This function only allocates space for the vpx_codec_alg_priv_t
diff --git a/vp9/vp9_dx_iface.h b/vp9/vp9_dx_iface.h
new file mode 100644
index 000000000..e0e948e16
--- /dev/null
+++ b/vp9/vp9_dx_iface.h
@@ -0,0 +1,65 @@
+/*
+ *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VP9_VP9_DX_IFACE_H_
+#define VP9_VP9_DX_IFACE_H_
+
+#include "vp9/decoder/vp9_decoder.h"
+
+typedef vpx_codec_stream_info_t vp9_stream_info_t;
+
+// This limit is due to framebuffer numbers.
+// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
+#define FRAME_CACHE_SIZE 6   // Cache maximum 6 decoded frames.
+
+typedef struct cache_frame {
+  int fb_idx;
+  vpx_image_t img;
+} cache_frame;
+
+struct vpx_codec_alg_priv {
+  vpx_codec_priv_t        base;
+  vpx_codec_dec_cfg_t     cfg;
+  vp9_stream_info_t       si;
+  int                     postproc_cfg_set;
+  vp8_postproc_cfg_t      postproc_cfg;
+  vpx_decrypt_cb          decrypt_cb;
+  void                    *decrypt_state;
+  vpx_image_t             img;
+  int                     img_avail;
+  int                     flushed;
+  int                     invert_tile_order;
+  int                     last_show_frame;  // Index of last output frame.
+  int                     byte_alignment;
+  int                     skip_loop_filter;
+
+  // Frame parallel related.
+  int                     frame_parallel_decode;  // frame-based threading.
+  VPxWorker               *frame_workers;
+  int                     num_frame_workers;
+  int                     next_submit_worker_id;
+  int                     last_submit_worker_id;
+  int                     next_output_worker_id;
+  int                     available_threads;
+  cache_frame             frame_cache[FRAME_CACHE_SIZE];
+  int                     frame_cache_write;
+  int                     frame_cache_read;
+  int                     num_cache_frames;
+  int                     need_resync;      // wait for key/intra-only frame
+  // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
+  BufferPool              *buffer_pool;
+
+  // External frame buffer info to save for VP9 common.
+  void *ext_priv;  // Private data associated with the external frame buffers.
+  vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
+  vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
+};
+
+#endif  // VP9_VP9_DX_IFACE_H_
diff --git a/vp9/vp9dx.mk b/vp9/vp9dx.mk
index 0e9cf1618..4c6fd0071 100644
--- a/vp9/vp9dx.mk
+++ b/vp9/vp9dx.mk
@@ -16,6 +16,7 @@ VP9_DX_SRCS_REMOVE-yes += $(VP9_COMMON_SRCS_REMOVE-yes)
 VP9_DX_SRCS_REMOVE-no  += $(VP9_COMMON_SRCS_REMOVE-no)
 
 VP9_DX_SRCS-yes += vp9_dx_iface.c
+VP9_DX_SRCS-yes += vp9_dx_iface.h
 
 VP9_DX_SRCS-yes += decoder/vp9_decodemv.c
 VP9_DX_SRCS-yes += decoder/vp9_decodeframe.c