mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-16 13:26:36 +00:00
97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
/*
|
|
* gstvaapiutils_mpeg2_priv.h - MPEG-2 related utilities
|
|
*
|
|
* Copyright (C) 2011-2014 Intel Corporation
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
|
|
*
|
|
* 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_UTILS_MPEG2_PRIV_H
|
|
#define GST_VAAPI_UTILS_MPEG2_PRIV_H
|
|
|
|
#include "gstvaapiutils_mpeg2.h"
|
|
#include "gstvaapisurface.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GstVaapiMPEG2LevelLimits:
|
|
* @level: the #GstVaapiLevelMPEG2
|
|
* @level_idc: the MPEG-2 level indication value
|
|
* @horizontal_size_value: the maximum number of samples per line
|
|
* @vertical_size_value: the maximum number of lines per frame
|
|
* @frame_rate_value: the maximum number of frames per second
|
|
* @sample_rate: the maximum number of samples per second (for luminance)
|
|
* @bit_rate: the maximum bit rate (kbps)
|
|
* @vbv_buffer_size: the VBV buffer size requirements (bits)
|
|
*
|
|
* The data structure that describes the limits of an MPEG-2 level.
|
|
*/
|
|
typedef struct {
|
|
GstVaapiLevelMPEG2 level;
|
|
guint8 level_idc;
|
|
guint16 horizontal_size_value;
|
|
guint16 vertical_size_value;
|
|
guint32 frame_rate_value;
|
|
guint32 sample_rate;
|
|
guint32 bit_rate;
|
|
guint32 vbv_buffer_size;
|
|
} GstVaapiMPEG2LevelLimits;
|
|
|
|
/* Returns GstVaapiProfile from MPEG-2 profile_idc value */
|
|
G_GNUC_INTERNAL
|
|
GstVaapiProfile
|
|
gst_vaapi_utils_mpeg2_get_profile (guint8 profile_idc);
|
|
|
|
/* Returns MPEG-2 profile_idc value from GstVaapiProfile */
|
|
G_GNUC_INTERNAL
|
|
guint8
|
|
gst_vaapi_utils_mpeg2_get_profile_idc (GstVaapiProfile profile);
|
|
|
|
/* Returns GstVaapiLevelMPEG2 from MPEG-2 level_idc value */
|
|
G_GNUC_INTERNAL
|
|
GstVaapiLevelMPEG2
|
|
gst_vaapi_utils_mpeg2_get_level (guint8 level_idc);
|
|
|
|
/* Returns MPEG-2 level_idc value from GstVaapiLevelMPEG2 */
|
|
G_GNUC_INTERNAL
|
|
guint8
|
|
gst_vaapi_utils_mpeg2_get_level_idc (GstVaapiLevelMPEG2 level);
|
|
|
|
/* Returns level limits as specified in Table A-1 of the MPEG-2 standard */
|
|
G_GNUC_INTERNAL
|
|
const GstVaapiMPEG2LevelLimits *
|
|
gst_vaapi_utils_mpeg2_get_level_limits (GstVaapiLevelMPEG2 level);
|
|
|
|
/* Returns the Table A-1 specification */
|
|
G_GNUC_INTERNAL
|
|
const GstVaapiMPEG2LevelLimits *
|
|
gst_vaapi_utils_mpeg2_get_level_limits_table (guint * out_length_ptr);
|
|
|
|
/* Returns GstVaapiChromaType from MPEG-2 chroma_format_idc value */
|
|
G_GNUC_INTERNAL
|
|
GstVaapiChromaType
|
|
gst_vaapi_utils_mpeg2_get_chroma_type (guint chroma_format_idc);
|
|
|
|
/* Returns MPEG-2 chroma_format_idc value from GstVaapiChromaType */
|
|
G_GNUC_INTERNAL
|
|
guint
|
|
gst_vaapi_utils_mpeg2_get_chroma_format_idc (GstVaapiChromaType chroma_type);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* GST_VAAPI_UTILS_MPEG2_PRIV_H */
|