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/* GStreamer H.263 Parser
* Copyright (C) <2010> Arun Raghavan <arun.raghavan@collabora.co.uk>
* Copyright (C) <2010> Edward Hervey <edward.hervey@collabora.co.uk>
* Copyright (C) <2010> Collabora Multimedia
* Copyright (C) <2010> Nokia Corporation
*
* 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_H263_PARAMS_H__
#define __GST_H263_PARAMS_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gstbaseparse.h>
G_BEGIN_DECLS
typedef enum
{
PARSING = 0,
GOT_HEADER,
PASSTHROUGH
} H263ParseState;
/* H263 Optional Features */
typedef enum
{
/* Optional Unrestricted Motion Vector (UMV) mode (see Annex D) */
H263_OPTION_UMV_MODE = 1 << 0,
/* Optional Syntax-based Arithmetic Coding (SAC) mode (see Annex E) */
H263_OPTION_SAC_MODE = 1 << 1,
/* Optional Advanced Prediction mode (AP) (see Annex F) */
H263_OPTION_AP_MODE = 1 << 2,
/* Optional PB-frames mode (see Annex G) */
H263_OPTION_PB_MODE = 1 << 3,
/* Optional Advanced INTRA Coding (AIC) mode (see Annex I) */
H263_OPTION_AIC_MODE = 1 << 4,
/* Optional Deblocking Filter (DF) mode (see Annex J) */
H263_OPTION_DF_MODE = 1 << 5,
/* Optional Slice Structured (SS) mode (see Annex K) */
H263_OPTION_SS_MODE = 1 << 6,
/* Optional Reference Picture Selection (RPS) mode (see Annex N) */
H263_OPTION_RPS_MODE = 1 << 7,
/* Optional Independent Segment Decoding (ISD) mode (see Annex R) */
H263_OPTION_ISD_MODE = 1 << 8,
/* Optional Alternative INTER VLC (AIV) mode (see Annex S) */
H263_OPTION_AIV_MODE = 1 << 9,
/* Optional Modified Quantization (MQ) mode (see Annex T) */
H263_OPTION_MQ_MODE = 1 << 10,
/* Optional Reference Picture Resampling (RPR) mode (see Annex P) */
H263_OPTION_RPR_MODE = 1 << 11,
/* Optional Reduced-Resolution Update (RRU) mode (see Annex Q) */
H263_OPTION_RRU_MODE = 1 << 12,
/* Optional Enhanced Reference Picture Selection (ERPS) mode (see Annex U) */
H263_OPTION_ERPS_MODE = 1 << 13,
/* Optional Data Partitioned Slices (DPS) mode (see Annex V) */
H263_OPTION_DPS_MODE = 1 << 14
} H263OptionalFeatures;
/* H263 Picture Types */
typedef enum
{
PICTURE_I = 0, /* I-picture (INTRA) Baseline */
PICTURE_P, /* P-picture (INTER) Baseline */
PICTURE_IMPROVED_PB, /* Improved PB-frame (Annex M) */
PICTURE_B, /* B-picture (Annex O) */
PICTURE_EI, /* EI-picture (Annex O) */
PICTURE_EP, /* EP-picture (Annex O) */
PICTURE_RESERVED1,
PICTURE_RESERVED2,
PICTURE_PB /* PB-frame (See Annex G) */
} H263PictureType;
/* H263 Picture Format */
typedef enum
{
PICTURE_FMT_FORBIDDEN_0 = 0,
PICTURE_FMT_SUB_QCIF,
PICTURE_FMT_QCIF,
PICTURE_FMT_CIF,
PICTURE_FMT_4CIF,
PICTURE_FMT_16CIF,
PICTURE_FMT_RESERVED1,
PICTURE_FMT_EXTENDEDPTYPE
} H263PictureFormat;
typedef enum
{
UUI_ABSENT = 0,
UUI_IS_1,
UUI_IS_01,
} H263UUI;
typedef struct _H263Params H263Params;
struct _H263Params
{
guint32 temporal_ref;
H263OptionalFeatures features;
gboolean splitscreen;
gboolean documentcamera;
gboolean fullpicturefreezerelease;
gboolean custompcfpresent;
H263UUI uui;
guint8 sss;
H263PictureFormat format;
H263PictureType type;
guint32 width;
guint32 height;
guint8 parnum, pardenom;
gint32 pcfnum, pcfdenom;
};
gboolean gst_h263_parse_is_delta_unit (H263Params * params);
GstFlowReturn gst_h263_parse_get_params (H263Params ** params_p,
GstBuffer * buffer, gboolean fast, H263ParseState * state);
void gst_h263_parse_get_framerate (H263Params * params,
gint * num, gint * denom);
gint gst_h263_parse_get_profile (H263Params * params);
gint gst_h263_parse_get_level (H263Params * params, gint profile,
guint bitrate, gint fps_num, gint fps_denom);
G_END_DECLS
#endif
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