/* VPX * Copyright (C) 2006 David Schleef <ds@schleef.org> * Copyright (C) 2008,2009,2010 Entropy Wave Inc * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. * */ #ifndef __GST_VPX_DEC_H__ #define __GST_VPX_DEC_H__ #ifdef HAVE_CONFIG_H #include "config.h" #endif #if defined(HAVE_VP8_DECODER) || defined(HAVE_VP9_DECODER) #include <gst/gst.h> #include <gst/video/gstvideodecoder.h> /* FIXME: Undef HAVE_CONFIG_H because vpx_codec.h uses it, * which causes compilation failures */ #ifdef HAVE_CONFIG_H #undef HAVE_CONFIG_H #endif #include <vpx/vpx_decoder.h> #include <vpx/vp8dx.h> G_BEGIN_DECLS #define GST_TYPE_VPX_DEC \ (gst_vpx_dec_get_type()) #define GST_VPX_DEC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VPX_DEC,GstVPXDec)) #define GST_VPX_DEC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VPX_DEC,GstVPXDecClass)) #define GST_IS_VPX_DEC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VPX_DEC)) #define GST_IS_VPX_DEC_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VPX_DEC)) #define GST_VPX_DEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VPX_DEC, GstVPXDecClass)) typedef struct _GstVPXDec GstVPXDec; typedef struct _GstVPXDecClass GstVPXDecClass; struct _GstVPXDec { GstVideoDecoder base_video_decoder; /* < private > */ vpx_codec_ctx_t decoder; /* state */ gboolean decoder_inited; /* properties */ gboolean post_processing; enum vp8_postproc_level post_processing_flags; gint deblocking_level; gint noise_level; gint threads; GstVideoCodecState *input_state; GstVideoCodecState *output_state; /* allocation */ gboolean have_video_meta; GstBufferPool *pool; gsize buf_size; gboolean safe_remap; }; struct _GstVPXDecClass { GstVideoDecoderClass base_video_decoder_class; const char* video_codec_tag; /*supported vpx algo*/ vpx_codec_iface_t* codec_algo; /*virtual function to open_codec*/ GstFlowReturn (*open_codec) (GstVPXDec * dec, GstVideoCodecFrame * frame); /*virtual function to send tags*/ void (*send_tags) (GstVPXDec* dec); /*virtual function to set/correct the stream info*/ void (*set_stream_info) (GstVPXDec *dec, vpx_codec_stream_info_t *stream_info); /*virtual function to set default format while opening codec*/ void (*set_default_format) (GstVPXDec *dec, GstVideoFormat fmt, int width, int height); /*virtual function to negotiate format while handling frame*/ void (*handle_resolution_change) (GstVPXDec *dec, vpx_image_t *img, GstVideoFormat fmt); /*virtual function to check valid format*/ gboolean (*get_frame_format)(GstVPXDec *dec, vpx_image_t *img, GstVideoFormat* fmt); /* virtual function to check whether the decoder can handle data * before receiving a sync_point, either at the start of after a * decoding error */ gboolean (*get_needs_sync_point)(GstVPXDec *dec); }; GType gst_vpx_dec_get_type (void); G_DEFINE_AUTOPTR_CLEANUP_FUNC (GstVPXDec, gst_object_unref) G_END_DECLS #endif #endif /* __GST_VP8_DEC_H__ */