2 * Copyright (C) 2006 David Schleef <ds@schleef.org>
3 * Copyright (C) 2008,2009,2010 Entropy Wave Inc
4 * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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.
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.
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.
23 #ifndef __GST_VPX_DEC_H__
24 #define __GST_VPX_DEC_H__
30 #if defined(HAVE_VP8_DECODER) || defined(HAVE_VP9_DECODER)
33 #include <gst/video/gstvideodecoder.h>
35 /* FIXME: Undef HAVE_CONFIG_H because vpx_codec.h uses it,
36 * which causes compilation failures */
41 #include <vpx/vpx_decoder.h>
42 #include <vpx/vp8dx.h>
46 #define GST_TYPE_VPX_DEC \
47 (gst_vpx_dec_get_type())
48 #define GST_VPX_DEC(obj) \
49 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VPX_DEC,GstVPXDec))
50 #define GST_VPX_DEC_CLASS(klass) \
51 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VPX_DEC,GstVPXDecClass))
52 #define GST_IS_VPX_DEC(obj) \
53 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VPX_DEC))
54 #define GST_IS_VPX_DEC_CLASS(obj) \
55 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VPX_DEC))
56 #define GST_VPX_DEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VPX_DEC, GstVPXDecClass))
58 typedef struct _GstVPXDec GstVPXDec;
59 typedef struct _GstVPXDecClass GstVPXDecClass;
63 GstVideoDecoder base_video_decoder;
66 vpx_codec_ctx_t decoder;
69 gboolean decoder_inited;
72 gboolean post_processing;
73 enum vp8_postproc_level post_processing_flags;
74 gint deblocking_level;
78 GstVideoCodecState *input_state;
79 GstVideoCodecState *output_state;
82 gboolean have_video_meta;
87 struct _GstVPXDecClass
89 GstVideoDecoderClass base_video_decoder_class;
90 const char* video_codec_tag;
91 /*supported vpx algo*/
92 vpx_codec_iface_t* codec_algo;
93 /*virtual function to open_codec*/
94 GstFlowReturn (*open_codec) (GstVPXDec * dec, GstVideoCodecFrame * frame);
95 /*virtual function to send tags*/
96 void (*send_tags) (GstVPXDec* dec);
97 /*virtual function to set/correct the stream info*/
98 void (*set_stream_info) (GstVPXDec *dec, vpx_codec_stream_info_t *stream_info);
99 /*virtual function to set default format while opening codec*/
100 void (*set_default_format) (GstVPXDec *dec, GstVideoFormat fmt, int width, int height);
101 /*virtual function to negotiate format while handling frame*/
102 void (*handle_resolution_change) (GstVPXDec *dec, vpx_image_t *img, GstVideoFormat fmt);
103 /*virtual function to check valid format*/
104 gboolean (*get_frame_format)(GstVPXDec *dec, vpx_image_t *img, GstVideoFormat* fmt);
107 GType gst_vpx_dec_get_type (void);
113 #endif /* __GST_VP8_DEC_H__ */