1 /* VP8
2  * Copyright (C) 2006 David Schleef <ds@schleef.org>
3  * Copyright (C) 2010 Entropy Wave Inc
4  * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 #ifndef __GST_VPX_ENC_H__
23 #define __GST_VPX_ENC_H__
24 
25 #ifdef HAVE_CONFIG_H
26 #include "config.h"
27 #endif
28 
29 #if defined(HAVE_VP8_ENCODER) || defined(HAVE_VP9_ENCODER)
30 
31 #include <gst/gst.h>
32 #include <gst/video/gstvideoencoder.h>
33 
34 /* FIXME: Undef HAVE_CONFIG_H because vpx_codec.h uses it,
35  * which causes compilation failures */
36 #ifdef HAVE_CONFIG_H
37 #undef HAVE_CONFIG_H
38 #endif
39 
40 #include <vpx/vpx_encoder.h>
41 #include <vpx/vp8cx.h>
42 
43 G_BEGIN_DECLS
44 
45 #define GST_TYPE_VPX_ENC \
46   (gst_vpx_enc_get_type())
47 #define GST_VPX_ENC(obj) \
48   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VPX_ENC,GstVPXEnc))
49 #define GST_VPX_ENC_CLASS(klass) \
50   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VPX_ENC,GstVPXEncClass))
51 #define GST_IS_VPX_ENC(obj) \
52   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VPX_ENC))
53 #define GST_IS_VPX_ENC_CLASS(obj) \
54   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VPX_ENC))
55 #define GST_VPX_ENC_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VPX_ENC, GstVPXEncClass))
56 
57 typedef struct _GstVPXEnc GstVPXEnc;
58 typedef struct _GstVPXEncClass GstVPXEncClass;
59 
60 struct _GstVPXEnc
61 {
62   GstVideoEncoder base_video_encoder;
63 
64   /* < private > */
65   vpx_codec_ctx_t encoder;
66   GMutex encoder_lock;
67 
68   /* properties */
69   vpx_codec_enc_cfg_t cfg;
70   gboolean have_default_config;
71   gboolean rc_target_bitrate_set;
72   gint n_ts_target_bitrate;
73   gint n_ts_rate_decimator;
74   gint n_ts_layer_id;
75   /* Global two-pass options */
76   gchar *multipass_cache_file;
77   gchar *multipass_cache_prefix;
78   guint multipass_cache_idx;
79   GByteArray *first_pass_cache_content;
80 
81   /* Encode parameter */
82   gint64 deadline;
83 
84   /* Controls */
85   VPX_SCALING_MODE h_scaling_mode;
86   VPX_SCALING_MODE v_scaling_mode;
87   int cpu_used;
88   gboolean enable_auto_alt_ref;
89   unsigned int noise_sensitivity;
90   unsigned int sharpness;
91   unsigned int static_threshold;
92   vp8e_token_partitions token_partitions;
93   unsigned int arnr_maxframes;
94   unsigned int arnr_strength;
95   unsigned int arnr_type;
96   vp8e_tuning tuning;
97   unsigned int cq_level;
98   unsigned int max_intra_bitrate_pct;
99   /* Timebase - a value of 0 will use the framerate */
100   unsigned int timebase_n;
101   unsigned int timebase_d;
102 
103   /* state */
104   gboolean inited;
105 
106   vpx_image_t image;
107 
108   GstClockTime last_pts;
109 
110   GstVideoCodecState *input_state;
111 };
112 
113 struct _GstVPXEncClass
114 {
115   GstVideoEncoderClass base_video_encoder_class;
116   /*virtual function to get supported algo*/
117   vpx_codec_iface_t* (*get_algo) (GstVPXEnc *enc);
118   /*enabled scaling*/
119   gboolean (*enable_scaling) (GstVPXEnc *enc);
120   /*set image format info*/
121   void (*set_image_format) (GstVPXEnc *enc, vpx_image_t *image);
122   /*get new simple caps*/
123   GstCaps* (*get_new_vpx_caps) (GstVPXEnc *enc);
124   /*set stream info*/
125   void (*set_stream_info) (GstVPXEnc *enc, GstCaps *caps, GstVideoInfo *info);
126   /*process user data*/
127   void* (*process_frame_user_data) (GstVPXEnc *enc, GstVideoCodecFrame* frame);
128   /*set frame user data*/
129   void (*set_frame_user_data) (GstVPXEnc *enc, GstVideoCodecFrame* frame, vpx_image_t *image);
130   /*Handle invisible frame*/
131   GstFlowReturn (*handle_invisible_frame_buffer) (GstVPXEnc *enc, void* user_data, GstBuffer* buffer);
132 };
133 
134 GType gst_vpx_enc_get_type (void);
135 
136 G_END_DECLS
137 
138 #endif
139 
140 #endif /* __GST_VPX_ENC_H__ */
141