Add MPlayers libmpcodecs, this will be needed for our libavfilter wraper for it.

1 files changed, 169 insertions, 0 deletions

diff --git a/libavfilter/libmpcodecs/vf.h b/libavfilter/libmpcodecs/vf.h
new file mode 100644
index 0000000000..3619e699f1
--- /dev/null
+++ b/libavfilter/libmpcodecs/vf.h
@@ -0,0 +1,169 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPLAYER_VF_H
+#define MPLAYER_VF_H
+
+#include "m_option.h"
+#include "mp_image.h"
+
+extern m_obj_settings_t* vf_settings;
+extern const m_obj_list_t vf_obj_list;
+
+struct vf_instance;
+struct vf_priv_s;
+
+typedef struct vf_info_s {
+    const char *info;
+    const char *name;
+    const char *author;
+    const char *comment;
+    int (*vf_open)(struct vf_instance *vf,char* args);
+    // Ptr to a struct dscribing the options
+    const void* opts;
+} vf_info_t;
+
+#define NUM_NUMBERED_MPI 50
+
+typedef struct vf_image_context_s {
+    mp_image_t* static_images[2];
+    mp_image_t* temp_images[1];
+    mp_image_t* export_images[1];
+    mp_image_t* numbered_images[NUM_NUMBERED_MPI];
+    int static_idx;
+} vf_image_context_t;
+
+typedef struct vf_format_context_t {
+    int have_configured;
+    int orig_width, orig_height, orig_fmt;
+} vf_format_context_t;
+
+typedef struct vf_instance {
+    const vf_info_t* info;
+    // funcs:
+    int (*config)(struct vf_instance *vf,
+        int width, int height, int d_width, int d_height,
+        unsigned int flags, unsigned int outfmt);
+    int (*control)(struct vf_instance *vf,
+        int request, void* data);
+    int (*query_format)(struct vf_instance *vf,
+        unsigned int fmt);
+    void (*get_image)(struct vf_instance *vf,
+        mp_image_t *mpi);
+    int (*put_image)(struct vf_instance *vf,
+        mp_image_t *mpi, double pts);
+    void (*start_slice)(struct vf_instance *vf,
+        mp_image_t *mpi);
+    void (*draw_slice)(struct vf_instance *vf,
+        unsigned char** src, int* stride, int w,int h, int x, int y);
+    void (*uninit)(struct vf_instance *vf);
+
+    int (*continue_buffered_image)(struct vf_instance *vf);
+    // caps:
+    unsigned int default_caps; // used by default query_format()
+    unsigned int default_reqs; // used by default config()
+    // data:
+    int w, h;
+    vf_image_context_t imgctx;
+    vf_format_context_t fmt;
+    struct vf_instance *next;
+    mp_image_t *dmpi;
+    struct vf_priv_s* priv;
+} vf_instance_t;
+
+// control codes:
+#include "mpc_info.h"
+
+typedef struct vf_seteq_s
+{
+    const char *item;
+    int value;
+} vf_equalizer_t;
+
+#define VFCTRL_QUERY_MAX_PP_LEVEL 4 /* test for postprocessing support (max level) */
+#define VFCTRL_SET_PP_LEVEL 5 /* set postprocessing level */
+#define VFCTRL_SET_EQUALIZER 6 /* set color options (brightness,contrast etc) */
+#define VFCTRL_GET_EQUALIZER 8 /* gset color options (brightness,contrast etc) */
+#define VFCTRL_DRAW_OSD 7
+#define VFCTRL_CHANGE_RECTANGLE 9 /* Change the rectangle boundaries */
+#define VFCTRL_FLIP_PAGE 10 /* Tell the vo to flip pages */
+#define VFCTRL_DUPLICATE_FRAME 11 /* For encoding - encode zero-change frame */
+#define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes thru */
+#define VFCTRL_FLUSH_FRAMES    13 /* For encoding - flush delayed frames */
+#define VFCTRL_SCREENSHOT      14 /* Make a screenshot */
+#define VFCTRL_INIT_EOSD       15 /* Select EOSD renderer */
+#define VFCTRL_DRAW_EOSD       16 /* Render EOSD */
+#define VFCTRL_GET_PTS         17 /* Return last pts value that reached vf_vo*/
+#define VFCTRL_SET_DEINTERLACE 18 /* Set deinterlacing status */
+#define VFCTRL_GET_DEINTERLACE 19 /* Get deinterlacing status */
+
+#include "vfcap.h"
+
+//FIXME this should be in a common header, but i dunno which
+#define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
+
+
+// functions:
+void vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h);
+mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h);
+
+vf_instance_t* vf_open_plugin(const vf_info_t* const* filter_list, vf_instance_t* next, const char *name, char **args);
+vf_instance_t* vf_open_filter(vf_instance_t* next, const char *name, char **args);
+vf_instance_t* vf_add_before_vo(vf_instance_t **vf, char *name, char **args);
+vf_instance_t* vf_open_encoder(vf_instance_t* next, const char *name, char *args);
+
+unsigned int vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred);
+void vf_clone_mpi_attributes(mp_image_t* dst, mp_image_t* src);
+void vf_queue_frame(vf_instance_t *vf, int (*)(vf_instance_t *));
+int vf_output_queued_frame(vf_instance_t *vf);
+
+// default wrappers:
+int vf_next_config(struct vf_instance *vf,
+        int width, int height, int d_width, int d_height,
+        unsigned int flags, unsigned int outfmt);
+int vf_next_control(struct vf_instance *vf, int request, void* data);
+void vf_extra_flip(struct vf_instance *vf);
+int vf_next_query_format(struct vf_instance *vf, unsigned int fmt);
+int vf_next_put_image(struct vf_instance *vf,mp_image_t *mpi, double pts);
+void vf_next_draw_slice (struct vf_instance *vf, unsigned char** src, int* stride, int w,int h, int x, int y);
+
+vf_instance_t* append_filters(vf_instance_t* last);
+
+void vf_uninit_filter(vf_instance_t* vf);
+void vf_uninit_filter_chain(vf_instance_t* vf);
+
+int vf_config_wrapper(struct vf_instance *vf,
+                      int width, int height, int d_width, int d_height,
+                      unsigned int flags, unsigned int outfmt);
+
+static inline int norm_qscale(int qscale, int type)
+{
+    switch (type) {
+    case 0: // MPEG-1
+        return qscale;
+    case 1: // MPEG-2
+        return qscale >> 1;
+    case 2: // H264
+        return qscale >> 2;
+    case 3: // VP56
+        return (63 - qscale + 2) >> 2;
+    }
+    return qscale;
+}
+
+#endif /* MPLAYER_VF_H */