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2a4e3d2110
This is using libvpx, which can support more codecs than just VP8 and will likely support future codecs.
153 lines
4 KiB
C
153 lines
4 KiB
C
/* VP8
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* Copyright (C) 2006 David Schleef <ds@schleef.org>
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* Copyright (C) 2010 Entropy Wave Inc
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* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __GST_VP8_ENC_H__
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#define __GST_VP8_ENC_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideoencoder.h>
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/* FIXME: Undef HAVE_CONFIG_H because vpx_codec.h uses it,
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* which causes compilation failures */
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#ifdef HAVE_CONFIG_H
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#undef HAVE_CONFIG_H
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#endif
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#include <vpx/vpx_encoder.h>
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#include <vpx/vp8cx.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VP8_ENC \
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(gst_vp8_enc_get_type())
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#define GST_VP8_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VP8_ENC,GstVP8Enc))
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#define GST_VP8_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VP8_ENC,GstVP8EncClass))
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#define GST_IS_VP8_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VP8_ENC))
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#define GST_IS_VP8_ENC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VP8_ENC))
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typedef struct _GstVP8Enc GstVP8Enc;
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typedef struct _GstVP8EncClass GstVP8EncClass;
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struct _GstVP8Enc
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{
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GstVideoEncoder base_video_encoder;
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/* < private > */
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vpx_codec_ctx_t encoder;
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/* from downstream caps */
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int profile;
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/* properties */
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/* Rate control options */
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enum vpx_rc_mode rc_end_usage;
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unsigned int rc_target_bitrate;
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gboolean rc_target_bitrate_set;
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unsigned int rc_min_quantizer, rc_max_quantizer;
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unsigned int rc_dropframe_thresh;
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gboolean rc_resize_allowed;
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unsigned int rc_resize_up_thresh;
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unsigned int rc_resize_down_thresh;
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unsigned int rc_undershoot_pct;
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unsigned int rc_overshoot_pct;
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unsigned int rc_buf_sz;
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unsigned int rc_buf_initial_sz;
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unsigned int rc_buf_optimal_sz;
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unsigned int rc_2pass_vbr_bias_pct;
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unsigned int rc_2pass_vbr_minsection_pct;
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unsigned int rc_2pass_vbr_maxsection_pct;
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/* Global keyframe options */
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enum vpx_kf_mode kf_mode;
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unsigned int kf_max_dist;
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/* Global two-pass options */
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enum vpx_enc_pass multipass_mode;
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gchar *multipass_cache_file;
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GByteArray *first_pass_cache_content;
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vpx_fixed_buf_t last_pass_cache_content;
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/* Global temporal scalability options */
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unsigned int ts_number_layers;
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unsigned int ts_target_bitrate[VPX_TS_MAX_LAYERS];
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int n_ts_target_bitrate;
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unsigned int ts_rate_decimator[VPX_TS_MAX_LAYERS];
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int n_ts_rate_decimator;
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unsigned int ts_periodicity;
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unsigned int ts_layer_id[VPX_TS_MAX_PERIODICITY];
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int n_ts_layer_id;
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/* Global, other options */
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vpx_codec_er_flags_t error_resilient;
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unsigned int lag_in_frames;
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int threads;
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#if 0
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/* Only usage 0 is defined right now */
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int usage;
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#endif
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/* Encode parameter */
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gint64 deadline;
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/* Controls */
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VPX_SCALING_MODE h_scaling_mode;
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VPX_SCALING_MODE v_scaling_mode;
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int cpu_used;
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gboolean enable_auto_alt_ref;
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unsigned int noise_sensitivity;
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unsigned int sharpness;
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unsigned int static_threshold;
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vp8e_token_partitions token_partitions;
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unsigned int arnr_maxframes;
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unsigned int arnr_strength;
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unsigned int arnr_type;
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vp8e_tuning tuning;
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unsigned int cq_level;
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unsigned int max_intra_bitrate_pct;
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/* state */
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gboolean inited;
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vpx_image_t image;
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int n_frames;
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int keyframe_distance;
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GstVideoCodecState *input_state;
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};
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struct _GstVP8EncClass
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{
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GstVideoEncoderClass base_video_encoder_class;
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};
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GType gst_vp8_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_VP8_ENC_H__ */
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