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127 lines
4 KiB
C
127 lines
4 KiB
C
/* GStreamer
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* Copyright (C) 2008 David Schleef <ds@schleef.org>
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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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#ifndef _GST_BASE_VIDEO_ENCODER_H_
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#define _GST_BASE_VIDEO_ENCODER_H_
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#ifndef GST_USE_UNSTABLE_API
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#warning "GstBaseVideoEncoder is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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#include <gst/video/gstbasevideocodec.h>
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G_BEGIN_DECLS
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#define GST_TYPE_BASE_VIDEO_ENCODER \
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(gst_base_video_encoder_get_type())
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#define GST_BASE_VIDEO_ENCODER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoder))
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#define GST_BASE_VIDEO_ENCODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoderClass))
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#define GST_BASE_VIDEO_ENCODER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoderClass))
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#define GST_IS_BASE_VIDEO_ENCODER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_ENCODER))
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#define GST_IS_BASE_VIDEO_ENCODER_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_ENCODER))
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/**
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* GST_BASE_VIDEO_ENCODER_SINK_NAME:
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*
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* The name of the templates for the sink pad.
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*/
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#define GST_BASE_VIDEO_ENCODER_SINK_NAME "sink"
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/**
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* GST_BASE_VIDEO_ENCODER_SRC_NAME:
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*
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* The name of the templates for the source pad.
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*/
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#define GST_BASE_VIDEO_ENCODER_SRC_NAME "src"
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typedef struct _GstBaseVideoEncoder GstBaseVideoEncoder;
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typedef struct _GstBaseVideoEncoderClass GstBaseVideoEncoderClass;
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struct _GstBaseVideoEncoder
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{
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GstBaseVideoCodec base_video_codec;
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/*< protected >*/
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gboolean sink_clipping;
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guint64 presentation_frame_number;
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int distance_from_sync;
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gboolean force_keyframe;
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/*< private >*/
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/* FIXME move to real private part ? */
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gboolean set_output_caps;
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gboolean drained;
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gint64 min_latency;
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gint64 max_latency;
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GstEvent *force_keyunit_event;
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union {
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void *padding;
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gboolean at_eos;
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} a;
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/* FIXME before moving to base */
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void *padding[GST_PADDING_LARGE-1];
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};
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struct _GstBaseVideoEncoderClass
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{
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GstBaseVideoCodecClass base_video_codec_class;
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gboolean (*set_format) (GstBaseVideoEncoder *coder, GstVideoState *state);
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gboolean (*start) (GstBaseVideoEncoder *coder);
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gboolean (*stop) (GstBaseVideoEncoder *coder);
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gboolean (*finish) (GstBaseVideoEncoder *coder);
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gboolean (*handle_frame) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
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GstFlowReturn (*shape_output) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
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gboolean (*event) (GstBaseVideoEncoder *coder, GstEvent *event);
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GstCaps *(*get_caps) (GstBaseVideoEncoder *coder);
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/* FIXME before moving to base */
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void *padding[GST_PADDING_LARGE];
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};
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GType gst_base_video_encoder_get_type (void);
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const GstVideoState *gst_base_video_encoder_get_state (GstBaseVideoEncoder *coder);
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GstVideoFrame *gst_base_video_encoder_get_oldest_frame (GstBaseVideoEncoder *coder);
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GstFlowReturn gst_base_video_encoder_finish_frame (GstBaseVideoEncoder *base_video_encoder,
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GstVideoFrame *frame);
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void gst_base_video_encoder_set_latency (GstBaseVideoEncoder *base_video_encoder,
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GstClockTime min_latency, GstClockTime max_latency);
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void gst_base_video_encoder_set_latency_fields (GstBaseVideoEncoder *base_video_encoder,
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int n_fields);
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G_END_DECLS
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#endif
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