gstreamer/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2_priv.h
XuGuangxin d753c2226a encoder: add mpeg2 encoder.
Add initial support for MPEG-2 encoding. I/P/B frames are supported.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2013-11-24 16:52:05 +01:00

116 lines
3.6 KiB
C

/*
* gstvaapiencoder_mpeg2_priv.h - MPEG-2 encoder (private definitions)
*
* Copyright (C) 2013 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_ENCODER_MPEG2_PRIV_H
#define GST_VAAPI_ENCODER_MPEG2_PRIV_H
#include <glib.h>
#include <gst/vaapi/gstvaapiencoder.h>
#include <gst/vaapi/gstvaapiencoder_priv.h>
G_BEGIN_DECLS
#define GST_VAAPI_ENCODER_MPEG2(encoder) \
((GstVaapiEncoderMpeg2 *)(encoder))
#define GST_VAAPI_ENCODER_MPEG2_CAST(encoder) \
((GstVaapiEncoderMpeg2 *)(encoder))
#define GST_VAAPI_ENCODER_MPEG2_CLASS(klass) \
((GstVaapiEncoderMpeg2Class *)(klass))
#define GST_IS_VAAPI_ENCODER_MPEG2_CLASS(klass) \
((klass) != NULL)
#define GST_VAAPI_ENCODER_MPEG2_GET_CLASS(obj) \
GST_VAAPI_ENCODER_MPEG2_CLASS(GST_VAAPI_MINI_OBJECT_GET_CLASS(obj))
typedef struct _GstVaapiEncoderMpeg2Class GstVaapiEncoderMpeg2Class;
typedef enum
{
GST_ENCODER_MPEG2_PROFILE_SIMPLE,
GST_ENCODER_MPEG2_PROFILE_MAIN,
} GstEncoderMpeg2Level;
typedef enum
{
GST_VAAPI_ENCODER_MPEG2_LEVEL_LOW,
GST_VAAPI_ENCODER_MPEG2_LEVEL_MAIN,
GST_VAAPI_ENCODER_MPEG2_LEVEL_HIGH
} GstVaapiEncoderMpeg2Level;
#define GST_VAAPI_ENCODER_MPEG2_DEFAULT_PROFILE GST_ENCODER_MPEG2_PROFILE_MAIN
#define GST_VAAPI_ENCODER_MPEG2_DEFAULT_LEVEL GST_VAAPI_ENCODER_MPEG2_LEVEL_HIGH
#define GST_VAAPI_ENCODER_MPEG2_DEFAULT_RATE_CONTROL GST_VAAPI_RATECONTROL_CQP
#define GST_VAAPI_ENCODER_MPEG2_MIN_CQP 2
#define GST_VAAPI_ENCODER_MPEG2_MAX_CQP 62
#define GST_VAAPI_ENCODER_MPEG2_DEFAULT_CQP 8
#define GST_VAAPI_ENCODER_MPEG2_MAX_GOP_SIZE 512
#define GST_VAAPI_ENCODER_MPEG2_DEFAULT_GOP_SIZE 30
#define GST_VAAPI_ENCODER_MPEG2_MAX_MAX_BFRAMES 16
#define GST_VAAPI_ENCODER_MPEG2_DEFAULT_MAX_BFRAMES 2
#define GST_VAAPI_ENCODER_MPEG2_MAX_BITRATE 100*1024
#define START_CODE_PICUTRE 0x00000100
#define START_CODE_SLICE 0x00000101
#define START_CODE_USER 0x000001B2
#define START_CODE_SEQ 0x000001B3
#define START_CODE_EXT 0x000001B5
#define START_CODE_GOP 0x000001B8
#define CHROMA_FORMAT_RESERVED 0
#define CHROMA_FORMAT_420 1
#define CHROMA_FORMAT_422 2
#define CHROMA_FORMAT_444 3
struct _GstVaapiEncoderMpeg2
{
GstVaapiEncoder parent;
/* public */
guint32 profile;
guint32 level;
guint32 bitrate; /*kbps */
guint32 cqp;
guint32 intra_period;
guint32 ip_period;
/* re-ordering */
GQueue b_frames;
gboolean dump_frames;
gboolean new_gop;
/* reference list */
GstVaapiSurfaceProxy *forward;
GstVaapiSurfaceProxy *backward;
guint32 frame_num; /* same value picture header, but it's not mod by 1024 */
};
struct _GstVaapiEncoderMpeg2Class
{
/*< private > */
GstVaapiEncoderClass parent_class;
};
G_END_DECLS
#endif /* GST_VAAPI_ENCODER_MPEG2_PRIV_H */