gstreamer/gst-libs/gst/video/gstbasevideocodec.h
Sebastian Dröge 860ccd414d Merge remote-tracking branch 'origin/0.10'
Conflicts:
	NEWS
	RELEASE
	common
	configure.ac
	docs/libs/gst-plugins-bad-libs-sections.txt
	docs/plugins/gst-plugins-bad-plugins.args
	docs/plugins/gst-plugins-bad-plugins.hierarchy
	docs/plugins/gst-plugins-bad-plugins.interfaces
	docs/plugins/inspect/plugin-adpcmdec.xml
	docs/plugins/inspect/plugin-adpcmenc.xml
	docs/plugins/inspect/plugin-assrender.xml
	docs/plugins/inspect/plugin-audiovisualizers.xml
	docs/plugins/inspect/plugin-autoconvert.xml
	docs/plugins/inspect/plugin-bayer.xml
	docs/plugins/inspect/plugin-bz2.xml
	docs/plugins/inspect/plugin-camerabin2.xml
	docs/plugins/inspect/plugin-celt.xml
	docs/plugins/inspect/plugin-dataurisrc.xml
	docs/plugins/inspect/plugin-debugutilsbad.xml
	docs/plugins/inspect/plugin-dtmf.xml
	docs/plugins/inspect/plugin-dtsdec.xml
	docs/plugins/inspect/plugin-dvbsuboverlay.xml
	docs/plugins/inspect/plugin-dvdspu.xml
	docs/plugins/inspect/plugin-faac.xml
	docs/plugins/inspect/plugin-faad.xml
	docs/plugins/inspect/plugin-gsm.xml
	docs/plugins/inspect/plugin-h264parse.xml
	docs/plugins/inspect/plugin-mms.xml
	docs/plugins/inspect/plugin-modplug.xml
	docs/plugins/inspect/plugin-mpeg2enc.xml
	docs/plugins/inspect/plugin-mpegdemux2.xml
	docs/plugins/inspect/plugin-mpegtsdemux.xml
	docs/plugins/inspect/plugin-mpegvideoparse.xml
	docs/plugins/inspect/plugin-mplex.xml
	docs/plugins/inspect/plugin-pcapparse.xml
	docs/plugins/inspect/plugin-rawparse.xml
	docs/plugins/inspect/plugin-rtpmux.xml
	docs/plugins/inspect/plugin-rtpvp8.xml
	docs/plugins/inspect/plugin-scaletempo.xml
	docs/plugins/inspect/plugin-schro.xml
	docs/plugins/inspect/plugin-sdp.xml
	docs/plugins/inspect/plugin-segmentclip.xml
	docs/plugins/inspect/plugin-shm.xml
	docs/plugins/inspect/plugin-videomaxrate.xml
	docs/plugins/inspect/plugin-videoparsersbad.xml
	docs/plugins/inspect/plugin-vp8.xml
	docs/plugins/inspect/plugin-y4mdec.xml
	ext/celt/gstceltdec.c
	ext/dts/gstdtsdec.c
	ext/modplug/gstmodplug.cc
	ext/opus/gstopusenc.c
	gst-libs/gst/video/gstbasevideocodec.c
	gst-libs/gst/video/gstbasevideocodec.h
	gst-libs/gst/video/gstbasevideodecoder.c
	gst-libs/gst/video/gstbasevideodecoder.h
	gst-libs/gst/video/gstbasevideoencoder.c
	gst-libs/gst/video/gstbasevideoencoder.h
	gst/adpcmdec/Makefile.am
	gst/audiovisualizers/gstbaseaudiovisualizer.c
	gst/h264parse/gsth264parse.c
	gst/mpegdemux/mpegtsparse.c
	gst/mpegtsdemux/mpegtsbase.c
	gst/mpegtsdemux/mpegtspacketizer.c
	gst/mpegtsdemux/mpegtsparse.c
	gst/mpegtsdemux/tsdemux.c
	gst/mpegtsdemux/tsdemux.h
	gst/mxf/mxfdemux.c
	gst/rawparse/gstaudioparse.c
	gst/videoparsers/gsth263parse.c
	gst/videoparsers/gsth264parse.c
	sys/d3dvideosink/d3dvideosink.c
	sys/decklink/gstdecklinksink.cpp
	sys/dvb/gstdvbsrc.c
	sys/shm/gstshmsrc.c
	sys/vdpau/h264/gstvdph264dec.c
	sys/vdpau/mpeg/gstvdpmpegdec.c
	tests/examples/opencv/gst_element_print_properties.c
	win32/common/config.h
2012-03-29 17:41:53 +02:00

289 lines
8.7 KiB
C

/* GStreamer
* Copyright (C) 2008 David Schleef <ds@schleef.org>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GST_BASE_VIDEO_CODEC_H_
#define _GST_BASE_VIDEO_CODEC_H_
#ifndef GST_USE_UNSTABLE_API
#warning "GstBaseVideoCodec is unstable API and may change in future."
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
#endif
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/video/video.h>
#include <gst/video/gstvideopool.h>
#include <gst/video/gstvideometa.h>
G_BEGIN_DECLS
#define GST_TYPE_BASE_VIDEO_CODEC \
(gst_base_video_codec_get_type())
#define GST_BASE_VIDEO_CODEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodec))
#define GST_BASE_VIDEO_CODEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
#define GST_BASE_VIDEO_CODEC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
#define GST_IS_BASE_VIDEO_CODEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_CODEC))
#define GST_IS_BASE_VIDEO_CODEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_CODEC))
/**
* GST_BASE_VIDEO_CODEC_SINK_NAME:
*
* The name of the templates for the sink pad.
*/
#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink"
/**
* GST_BASE_VIDEO_CODEC_SRC_NAME:
*
* The name of the templates for the source pad.
*/
#define GST_BASE_VIDEO_CODEC_SRC_NAME "src"
/**
* GST_BASE_VIDEO_CODEC_SRC_PAD:
* @obj: base video codec instance
*
* Gives the pointer to the source #GstPad object of the element.
*/
#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad)
/**
* GST_BASE_VIDEO_CODEC_SINK_PAD:
* @obj: base video codec instance
*
* Gives the pointer to the sink #GstPad object of the element.
*/
#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad)
/**
* GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA:
*
* Returned while parsing to indicate more data is needed.
*/
#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
/**
* GST_BASE_VIDEO_CODEC_STREAM_LOCK:
* @codec: video codec instance
*
* Obtain a lock to protect the codec function from concurrent access.
*
* Since: 0.10.22
*/
#define GST_BASE_VIDEO_CODEC_STREAM_LOCK(codec) g_rec_mutex_lock (&GST_BASE_VIDEO_CODEC (codec)->stream_lock)
/**
* GST_BASE_VIDEO_CODEC_STREAM_UNLOCK:
* @codec: video codec instance
*
* Release the lock that protects the codec function from concurrent access.
*
* Since: 0.10.22
*/
#define GST_BASE_VIDEO_CODEC_STREAM_UNLOCK(codec) g_rec_mutex_unlock (&GST_BASE_VIDEO_CODEC (codec)->stream_lock)
typedef struct _GstVideoState GstVideoState;
typedef struct _GstVideoFrameState GstVideoFrameState;
typedef struct _GstBaseVideoCodec GstBaseVideoCodec;
typedef struct _GstBaseVideoCodecClass GstBaseVideoCodecClass;
/* GstVideoState is only used on the compressed video pad */
/**
* GstVideoState:
* @width: Width in pixels (including borders)
* @height: Height in pixels (including borders)
* @fps_n: Numerator of framerate
* @fps_d: Denominator of framerate
* @par_n: Numerator of Pixel Aspect Ratio
* @par_d: Denominator of Pixel Aspect Ratio
* @have_interlaced: The content of the @interlaced field is present and valid
* @interlaced: %TRUE if the stream is interlaced
* @top_field_first: %TRUE if the interlaced frame is top-field-first
* @clean_width: Useful width of video in pixels (i.e. without borders)
* @clean_height: Useful height of video in pixels (i.e. without borders)
* @clean_offset_left: Horizontal offset (from the left) of useful region in pixels
* @clean_offset_top: Vertical offset (from the top) of useful region in pixels
* @bytes_per_picture: Size in bytes of each picture
* @codec_data: Optional Codec Data for the stream
*
* Information about compressed video stream.
* FIXME: Re-use GstVideoInfo for more fields.
*/
struct _GstVideoState
{
GstCaps *caps;
GstVideoFormat format;
int width, height;
int fps_n, fps_d;
int par_n, par_d;
gboolean have_interlaced;
gboolean interlaced;
gboolean top_field_first;
int clean_width, clean_height;
int clean_offset_left, clean_offset_top;
int bytes_per_picture;
GstBuffer *codec_data;
};
/**
* GstVideoFrameState:
* @decode_timestamp: Decoding timestamp (aka DTS)
* @presentation_timestamp: Presentation timestamp (aka PTS)
* @presentation_duration: Duration of frame
* @system_frame_number: unique ID attributed when #GstVideoFrameState is
* created
* @decode_frame_number: Decoded frame number, increases in decoding order
* @presentation_frame_number: Presentation frame number, increases in
* presentation order.
* @distance_from_sync: Distance of the frame from a sync point, in number
* of frames.
* @is_sync_point: #TRUE if the frame is a synchronization point (like a
* keyframe)
* @is_eos: #TRUE if the frame is the last one of a segment.
* @decode_only: If #TRUE, the frame is only meant to be decoded but not
* pushed downstream
* @sink_buffer: input buffer
* @src_buffer: output buffer
* @field_index: Number of fields since beginning of stream
* @n_fields: Number of fields present in frame (default 2)
* @coder_hook: Private data called with @coder_hook_destroy_notify
* @coder_hook_destroy_notify: Called when frame is destroyed
* @deadline: Target clock time for display (running time)
* @force_keyframe: For encoders, if #TRUE a keyframe must be generated
* @force_keyframe_headers: For encoders, if #TRUE new headers must be generated
* @events: List of #GstEvent that must be pushed before the next @src_buffer
*
* State of a video frame going through the codec
**/
struct _GstVideoFrameState
{
/*< private >*/
gint ref_count;
/*< public >*/
GstClockTime decode_timestamp;
GstClockTime presentation_timestamp;
GstClockTime presentation_duration;
gint system_frame_number;
gint decode_frame_number;
gint presentation_frame_number;
int distance_from_sync;
gboolean is_sync_point;
gboolean is_eos;
/* Frames that should not be pushed downstream and are
* not meant for display */
gboolean decode_only;
GstBuffer *sink_buffer;
GstBuffer *src_buffer;
int field_index;
int n_fields;
void *coder_hook;
GDestroyNotify coder_hook_destroy_notify;
GstClockTime deadline;
gboolean force_keyframe;
gboolean force_keyframe_headers;
/* Events that should be pushed downstream *before*
* the next src_buffer */
GList *events;
};
/**
* GstBaseVideoCodec:
*
* The opaque #GstBaseVideoCodec data structure.
*/
struct _GstBaseVideoCodec
{
/*< private >*/
GstElement element;
/*< protected >*/
GstPad *sinkpad;
GstPad *srcpad;
/* protects all data processing, i.e. is locked
* in the chain function, finish_frame and when
* processing serialized events */
GRecMutex stream_lock;
guint64 system_frame_number;
GList *frames; /* Protected with OBJECT_LOCK */
GstVideoState state; /* Compressed video pad */
GstVideoInfo info; /* Raw video pad */
GstSegment segment;
/* QoS properties */
gdouble proportion;
GstClockTime earliest_time;
gboolean discont;
gint64 bytes;
gint64 time;
/* FIXME before moving to base */
void *padding[GST_PADDING_LARGE];
};
/**
* GstBaseVideoCodecClass:
*
* The opaque #GstBaseVideoCodecClass data structure.
*/
struct _GstBaseVideoCodecClass
{
/*< private >*/
GstElementClass element_class;
/* FIXME before moving to base */
void *padding[GST_PADDING_LARGE];
};
GType gst_video_frame_state_get_type (void);
GType gst_base_video_codec_get_type (void);
void gst_base_video_codec_append_frame (GstBaseVideoCodec *codec, GstVideoFrameState *frame);
void gst_base_video_codec_remove_frame (GstBaseVideoCodec *codec, GstVideoFrameState *frame);
GstVideoFrameState * gst_base_video_codec_new_frame (GstBaseVideoCodec *base_video_codec);
GstVideoFrameState * gst_video_frame_state_ref (GstVideoFrameState * frame);
void gst_video_frame_state_unref (GstVideoFrameState * frame);
G_END_DECLS
#endif