gstreamer/ext/theora/gsttheoraenc.h
2011-06-17 15:41:31 +02:00

141 lines
3.4 KiB
C

/* GStreamer
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
*
* 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_THEORAENC_H__
#define __GST_THEORAENC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <theora/theoraenc.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_THEORA_ENC \
(gst_theora_enc_get_type())
#define GST_THEORA_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_THEORA_ENC,GstTheoraEnc))
#define GST_THEORA_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_THEORA_ENC,GstTheoraEncClass))
#define GST_IS_THEORA_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_THEORA_ENC))
#define GST_IS_THEORA_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_THEORA_ENC))
typedef struct _GstTheoraEnc GstTheoraEnc;
typedef struct _GstTheoraEncClass GstTheoraEncClass;
/**
* GstTheoraEncBorderMode:
* @BORDER_NONE: no border
* @BORDER_BLACK: black border
* @BORDER_MIRROR: Mirror image in border
*
* Border color to add when sizes not multiple of 16.
*/
typedef enum
{
BORDER_NONE,
BORDER_BLACK,
BORDER_MIRROR
}
GstTheoraEncBorderMode;
/**
* GstTheoraEncMultipassMode:
* @MULTIPASS_MODE_SINGLE_PASS: Single pass encoding
* @MULTIPASS_MODE_FIRST_PASS: First pass of two pass encoding
* @MULTIPASS_MODE_SECOND_PASS: Second pass of two pass encoding
*
*/
typedef enum
{
MULTIPASS_MODE_SINGLE_PASS,
MULTIPASS_MODE_FIRST_PASS,
MULTIPASS_MODE_SECOND_PASS
} GstTheoraEncMultipassMode;
/**
* GstTheoraEnc:
*
* Opaque data structure.
*/
struct _GstTheoraEnc
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
GstSegment segment;
ogg_stream_state to;
th_enc_ctx *encoder;
th_info info;
th_comment comment;
gboolean initialised;
gint video_bitrate; /* bitrate target for Theora video */
gboolean bitrate_changed;
gint video_quality; /* Theora quality selector 0 = low, 63 = high */
gboolean quality_changed;
gboolean keyframe_auto;
gint keyframe_freq;
gint keyframe_force;
GstVideoInfo vinfo;
gint info_width, info_height;
GstClockTime next_ts;
GstClockTime expected_ts;
gboolean next_discont;
gboolean force_keyframe;
guint packetno;
guint64 bytes_out;
guint64 granulepos_offset;
guint64 timestamp_offset;
gint speed_level;
gboolean vp3_compatible;
gboolean drop_frames;
gboolean cap_overflow;
gboolean cap_underflow;
int rate_buffer;
GstTheoraEncMultipassMode multipass_mode;
GIOChannel *multipass_cache_fd;
GstAdapter *multipass_cache_adapter;
gchar *multipass_cache_file;
};
struct _GstTheoraEncClass
{
GstElementClass parent_class;
};
GType gst_theora_enc_get_type (void);
G_END_DECLS
#endif /* __GST_THEORAENC_H__ */