gstreamer/subprojects/gst-plugins-base/ext/theora/gsttheoraenc.h

121 lines
3.2 KiB
C

/* GStreamer
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
* Copyright (c) 2012 Collabora Ltd.
* Author : Edward Hervey <edward@collabora.com>
* Author : Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_THEORAENC_H__
#define __GST_THEORAENC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/video/gstvideoencoder.h>
#include <theora/theoraenc.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;
/**
* 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
{
GstVideoEncoder element;
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;
GstVideoCodecState *input_state;
gint width, height;
gint fps_n, fps_d;
guint packetno;
guint64 bytes_out;
guint64 granulepos_offset;
guint64 timestamp_offset;
guint64 pfn_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
{
GstVideoEncoderClass parent_class;
};
GType gst_theora_enc_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (theoraenc);
G_END_DECLS
#endif /* __GST_THEORAENC_H__ */