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6a763f6a47
Add some guards and fat warnings to the header files with still unstable API, so people who just look at the installed headers know that it actually is unstable API.
166 lines
5.2 KiB
C
166 lines
5.2 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_DECODER_H_
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#define _GST_BASE_VIDEO_DECODER_H_
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#ifndef GST_USE_UNSTABLE_API
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#warning "GstBaseVideoDecoder 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_DECODER \
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(gst_base_video_decoder_get_type())
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#define GST_BASE_VIDEO_DECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoder))
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#define GST_BASE_VIDEO_DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
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#define GST_BASE_VIDEO_DECODER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
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#define GST_IS_BASE_VIDEO_DECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_DECODER))
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#define GST_IS_BASE_VIDEO_DECODER_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_DECODER))
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/**
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* GST_BASE_VIDEO_DECODER_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_DECODER_SINK_NAME "sink"
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/**
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* GST_BASE_VIDEO_DECODER_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_DECODER_SRC_NAME "src"
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/**
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* GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA:
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*
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* Custom GstFlowReturn value indicating that more data is needed.
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*/
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#define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
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typedef struct _GstBaseVideoDecoder GstBaseVideoDecoder;
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typedef struct _GstBaseVideoDecoderClass GstBaseVideoDecoderClass;
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struct _GstBaseVideoDecoder
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{
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GstBaseVideoCodec base_video_codec;
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/*< private >*/
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GstAdapter *input_adapter;
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GstAdapter *output_adapter;
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GList *frames;
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gboolean have_sync;
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gboolean discont;
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gboolean started;
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GstVideoState state;
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gboolean sink_clipping;
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guint64 presentation_frame_number;
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guint64 system_frame_number;
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GstCaps *caps;
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gboolean have_src_caps;
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GstVideoFrame *current_frame;
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int distance_from_sync;
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int reorder_depth;
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GstClockTime buffer_timestamp;
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GstClockTime timestamp_offset;
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gdouble proportion;
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GstClockTime earliest_time;
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GstBuffer *codec_data;
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guint64 offset;
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GstClockTime last_timestamp;
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GstClockTime last_sink_timestamp;
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GstClockTime last_sink_offset_end;
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guint64 base_picture_number;
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int field_index;
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};
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struct _GstBaseVideoDecoderClass
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{
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GstBaseVideoCodecClass base_video_codec_class;
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gboolean (*set_format) (GstBaseVideoDecoder *coder, GstVideoFormat,
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int width, int height, int fps_n, int fps_d,
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int par_n, int par_d);
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gboolean (*start) (GstBaseVideoDecoder *coder);
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gboolean (*stop) (GstBaseVideoDecoder *coder);
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gboolean (*reset) (GstBaseVideoDecoder *coder);
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int (*scan_for_sync) (GstBaseVideoDecoder *decoder, gboolean at_eos,
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int offset, int n);
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GstFlowReturn (*parse_data) (GstBaseVideoDecoder *decoder, gboolean at_eos);
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gboolean (*finish) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
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GstFlowReturn (*handle_frame) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
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GstFlowReturn (*shape_output) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
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GstCaps *(*get_caps) (GstBaseVideoDecoder *coder);
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};
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GType gst_base_video_decoder_get_type (void);
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int gst_base_video_decoder_get_width (GstBaseVideoDecoder *coder);
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int gst_base_video_decoder_get_height (GstBaseVideoDecoder *coder);
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guint64 gst_base_video_decoder_get_timestamp_offset (GstBaseVideoDecoder *coder);
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GstVideoFrame *gst_base_video_decoder_get_frame (GstBaseVideoDecoder *coder,
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int frame_number);
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void gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder *base_video_decoder,
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int n_bytes);
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GstFlowReturn gst_base_video_decoder_finish_frame (GstBaseVideoDecoder *base_video_decoder,
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GstVideoFrame *frame);
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GstFlowReturn gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder *base_video_decoder,
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GstBuffer *buffer);
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GstFlowReturn
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gst_base_video_decoder_have_frame (GstBaseVideoDecoder *base_video_decoder);
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GstVideoState * gst_base_video_decoder_get_state (GstBaseVideoDecoder *base_video_decoder);
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void gst_base_video_decoder_set_state (GstBaseVideoDecoder *base_video_decoder,
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GstVideoState *state);
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void gst_base_video_decoder_lost_sync (GstBaseVideoDecoder *base_video_decoder);
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void gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder *base_video_decoder);
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void gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder *base_video_decoder);
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G_END_DECLS
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#endif
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