/* GStreamer * Copyright (C) <2005> Wim Taymans * * 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. * * Author: Dejan Sakelsak sahel@kiberpipa.org */ #ifndef __GST_RTP_H263_PAY_H__ #define __GST_RTP_H263_PAY_H__ #include #include #include G_BEGIN_DECLS #define GST_TYPE_RTP_H263_PAY \ (gst_rtp_h263_pay_get_type()) #define GST_RTP_H263_PAY(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H263_PAY,GstRtpH263Pay)) #define GST_RTP_H263_PAY_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H263_PAY,GstRtpH263PayClass)) #define GST_IS_RTP_H263_PAY(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H263_PAY)) #define GST_IS_RTP_H263_PAY_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H263_PAY)) // blocks per macroblock #define N_BLOCKS 6 #define DEFAULT_MODE_A FALSE #define MTU_SECURITY_OFFSET 50 typedef enum _GstRtpH263PayHeaderMode { GST_RTP_H263_PAYLOAD_HEADER_MODE_A = 4, GST_RTP_H263_PAYLOAD_HEADER_MODE_B = 8, GST_RTP_H263_PAYLOAD_HEADER_MODE_C = 12 } GstRtpH263PayHeaderMode; typedef struct _GstRtpH263PayContext GstRtpH263PayContext; typedef struct _GstRtpH263PayPic GstRtpH263PayPic; typedef struct _GstRtpH263PayClass GstRtpH263PayClass; typedef struct _GstRtpH263Pay GstRtpH263Pay; typedef struct _GstRtpH263PayBoundry GstRtpH263PayBoundry; typedef struct _GstRtpH263PayMB GstRtpH263PayMB; typedef struct _GstRtpH263PayGob GstRtpH263PayGob; typedef struct _GstRtpH263PayPackage GstRtpH263PayPackage; //typedef enum _GstRtpH263PayHeaderMode GstRtpH263PayHeaderMode; struct _GstRtpH263Pay { GstBaseRTPPayload payload; GstAdapter *adapter; GstClockTime first_ts; gboolean prop_payload_mode; guint8 *data; guint available_data; }; struct _GstRtpH263PayContext { GstRtpH263PayPic *piclayer; guint mtu; guint window; guint8 *win_end; guint8 cpm; GstRtpH263PayGob **gobs; }; struct _GstRtpH263PayClass { GstBaseRTPPayloadClass parent_class; }; typedef struct _GstRtpH263PayAHeader { #if G_BYTE_ORDER == G_LITTLE_ENDIAN unsigned int ebit:3; /* End position */ unsigned int sbit:3; /* Start position */ unsigned int p:1; /* PB-frames mode */ unsigned int f:1; /* flag bit */ unsigned int r1:1; /* Reserved */ unsigned int a:1; /* Advanced Prediction */ unsigned int s:1; /* syntax based arithmetic coding */ unsigned int u:1; /* Unrestricted motion vector */ unsigned int i:1; /* Picture coding type */ unsigned int src:3; /* Source format */ unsigned int trb:3; /* Temporal ref for B frame */ unsigned int dbq:2; /* Differential Quantisation parameter */ unsigned int r2:3; /* Reserved */ #elif G_BYTE_ORDER == G_BIG_ENDIAN unsigned int f:1; /* flag bit */ unsigned int p:1; /* PB-frames mode */ unsigned int sbit:3; /* Start position */ unsigned int ebit:3; /* End position */ unsigned int src:3; /* Source format */ unsigned int i:1; /* Picture coding type */ unsigned int u:1; /* Unrestricted motion vector */ unsigned int s:1; /* syntax based arithmetic coding */ unsigned int a:1; /* Advanced Prediction */ unsigned int r1:1; /* Reserved */ unsigned int r2:3; /* Reserved */ unsigned int dbq:2; /* Differential Quantisation parameter */ unsigned int trb:3; /* Temporal ref for B frame */ #else #error "G_BYTE_ORDER should be big or little endian." #endif unsigned int tr:8; /* Temporal ref for P frame */ } GstRtpH263PayAHeader; typedef struct _GstRtpH263PayBHeader { #if G_BYTE_ORDER == G_LITTLE_ENDIAN unsigned int ebit:3; /* End position */ unsigned int sbit:3; /* Start position */ unsigned int p:1; /* PB-frames mode */ unsigned int f:1; /* flag bit */ unsigned int quant:5; /* Quantization value for first MB */ unsigned int src:3; /* Source format */ unsigned int mba1:3; /* Address of first MB starting count from 0 - part1 */ unsigned int gobn:5; /* GOB number in effect at start of packet */ unsigned int r:2; /* Reserved */ unsigned int mba2:6; /* Address of first MB starting count from 0 - part2 */ unsigned int hmv11:4; /* horizontal motion vector predictor for MB 1 - part 1 */ unsigned int a:1; /* Advanced Prediction */ unsigned int s:1; /* syntax based arithmetic coding */ unsigned int u:1; /* Unrestricted motion vector */ unsigned int i:1; /* Picture coding type */ unsigned int vmv11:5; /* vertical motion vector predictor for MB 1 - part 1 */ unsigned int hmv12:3; /* horizontal motion vector predictor for MB 1 - part 2 */ unsigned int hmv21:6; /* horizontal motion vector predictor for MB 3 - part 1 */ unsigned int vmv12:2; /* vertical motion vector predictor for MB 1 - part 2 */ unsigned int vmv21:7; /* vertical motion vector predictor for MB 3 */ unsigned int hmv22:1; /* horizontal motion vector predictor for MB 3 - part 2 */ #elif G_BYTE_ORDER == G_BIG_ENDIAN unsigned int f:1; /* flag bit */ unsigned int p:1; /* PB-frames mode */ unsigned int sbit:3; /* Start position */ unsigned int ebit:3; /* End position */ unsigned int src:3; /* Source format */ unsigned int quant:5; /* Quantization value for first MB */ unsigned int gobn:5; /* GOB number in effect at start of packet */ unsigned int mba1:3; /* Address of first MB starting count from 0 - part1 */ unsigned int mba2:6; /* Address of first MB starting count from 0 - part2 */ unsigned int r:2; /* Reserved */ unsigned int i:1; /* Picture coding type */ unsigned int u:1; /* Unrestricted motion vector */ unsigned int s:1; /* syntax based arithmetic coding */ unsigned int a:1; /* Advanced Prediction */ unsigned int hmv11:4; /* horizontal motion vector predictor for MB 1 - part 1 */ unsigned int hmv12:3; /* horizontal motion vector predictor for MB 1 - part 2 */ unsigned int vmv11:5; /* vertical motion vector predictor for MB 1 - part 1 */ unsigned int vmv12:2; /* vertical motion vector predictor for MB 1 - part 2 */ unsigned int hmv21:6; /* horizontal motion vector predictor for MB 3 - part 1 */ unsigned int hmv22:1; /* horizontal motion vector predictor for MB 3 - part 2 */ unsigned int vmv21:7; /* vertical motion vector predictor for MB 3 */ #else #error "G_BYTE_ORDER should be big or little endian." #endif } GstRtpH263PayBHeader; typedef struct _GstRtpH263PayCHeader { #if G_BYTE_ORDER == G_LITTLE_ENDIAN unsigned int ebit:3; /* End position */ unsigned int sbit:3; /* Start position */ unsigned int p:1; /* PB-frames mode */ unsigned int f:1; /* flag bit */ unsigned int quant:5; /* Quantization value for first MB */ unsigned int src:3; /* Source format */ unsigned int mba1:3; /* Address of first MB starting count from 0 - part1 */ unsigned int gobn:5; /* GOB number in effect at start of packet */ unsigned int r:2; /* Reserved */ unsigned int mba2:6; /* Address of first MB starting count from 0 - part2 */ unsigned int hmv11:4; /* horizontal motion vector predictor for MB 1 - part 1 */ unsigned int a:1; /* Advanced Prediction */ unsigned int s:1; /* syntax based arithmetic coding */ unsigned int u:1; /* Unrestricted motion vector */ unsigned int i:1; /* Picture coding type */ unsigned int vmv11:5; /* vertical motion vector predictor for MB 1 - part 1 */ unsigned int hmv12:3; /* horizontal motion vector predictor for MB 1 - part 2 */ unsigned int hmv21:6; /* horizontal motion vector predictor for MB 3 - part 1 */ unsigned int vmv12:2; /* vertical motion vector predictor for MB 1 - part 2 */ unsigned int vmv21:7; /* vertical motion vector predictor for MB 3 */ unsigned int hmv22:1; /* horizontal motion vector predictor for MB 3 - part 2 */ unsigned int rr1:8; /* reserved */ unsigned int rr2:8; /* reserved */ unsigned int trb:3; /* Temporal Reference for the B */ unsigned int dbq:2; /* Differential quantization parameter */ unsigned int rr3:3; /* reserved */ unsigned int tr:8; /* Temporal Reference for the P frame */ #elif G_BYTE_ORDER == G_BIG_ENDIAN unsigned int f:1; /* flag bit */ unsigned int p:1; /* PB-frames mode */ unsigned int sbit:3; /* Start position */ unsigned int ebit:3; /* End position */ unsigned int src:3; /* Source format */ unsigned int quant:5; /* Quantization value for first MB */ unsigned int gobn:5; /* GOB number in effect at start of packet */ unsigned int mba1:3; /* Address of first MB starting count from 0 - part1 */ unsigned int mba2:6; /* Address of first MB starting count from 0 - part2 */ unsigned int r:2; /* Reserved */ unsigned int i:1; /* Picture coding type */ unsigned int u:1; /* Unrestricted motion vector */ unsigned int s:1; /* syntax based arithmetic coding */ unsigned int a:1; /* Advanced Prediction */ unsigned int hmv11:4; /* horizontal motion vector predictor for MB 1 - part 1 */ unsigned int hmv12:3; /* horizontal motion vector predictor for MB 1 - part 2 */ unsigned int vmv11:5; /* vertical motion vector predictor for MB 1 - part 1 */ unsigned int vmv12:2; /* vertical motion vector predictor for MB 1 - part 2 */ unsigned int hmv21:6; /* horizontal motion vector predictor for MB 3 - part 1 */ unsigned int hmv22:1; /* horizontal motion vector predictor for MB 3 - part 2 */ unsigned int vmv21:7; /* vertical motion vector predictor for MB 3 */ unsigned int rr1:8; /* reserved */ unsigned int rr2:8; /* reserved */ unsigned int rr3:3; /* reserved */ unsigned int dbq:2; /* Differential quantization parameter */ unsigned int trb:3; /* Temporal Reference for the B */ unsigned int tr:8; /* Temporal Reference for the P frame */ #else #error "G_BYTE_ORDER should be big or little endian." #endif } GstRtpH263PayCHeader; struct _GstRtpH263PayPic { #if G_BYTE_ORDER == G_LITTLE_ENDIAN unsigned int psc1:16; unsigned int tr1:2; unsigned int psc2:6; unsigned int ptype_263:1; unsigned int ptype_start:1; unsigned int tr2:6; unsigned int ptype_umvmode:1; unsigned int ptype_pictype:1; unsigned int ptype_srcformat:3; unsigned int ptype_freeze:1; unsigned int ptype_camera:1; unsigned int ptype_split:1; unsigned int pquant:5; unsigned int ptype_pbmode:1; unsigned int ptype_apmode:1; unsigned int ptype_sacmode:1; #elif G_BYTE_ORDER == G_BIG_ENDIAN unsigned int psc1:16; unsigned int psc2:6; unsigned int tr1:2; unsigned int tr2:6; unsigned int ptype_start:2; unsigned int ptype_split:1; unsigned int ptype_camera:1; unsigned int ptype_freeze:1; unsigned int ptype_srcformat:3; unsigned int ptype_pictype:1; unsigned int ptype_umvmode:1; unsigned int ptype_sacmode:1; unsigned int ptype_apmode:1; unsigned int ptype_pbmode:1; unsigned int pquant:5; #else #error "G_BYTE_ORDER should be big or little endian." #endif }; struct _GstRtpH263PayBoundry { guint8 *start; guint8 *end; guint8 sbit; guint8 ebit; }; struct _GstRtpH263PayMB { guint8 *start; guint8 *end; guint8 sbit; guint8 ebit; guint length; guint8 mb_type; guint quant; guint mba; guint8 mvd[10]; }; struct _GstRtpH263PayGob { guint8 *start; guint8 *end; guint length; guint8 sbit; guint8 ebit; guint gobn; guint quant; GstRtpH263PayMB **macroblocks; guint nmacroblocs; }; struct _GstRtpH263PayPackage { guint8 *payload_start; guint8 *payload_end; guint payload_len; guint8 sbit; guint8 ebit; GstBuffer *outbuf; gboolean marker; GstRtpH263PayHeaderMode mode; /* * mode B,C data */ guint16 mba; guint nmvd; guint8 mvd[10]; guint gobn; guint quant; }; #define GST_H263_PICTURELAYER_PLSRC(buf) (((GstRtpH263PayPic *)(buf))->ptype_srcformat) #define GST_H263_PICTURELAYER_PLTYPE(buf) (((GstRtpH263PayPic *)(buf))->ptype_pictype) #define GST_H263_PICTURELAYER_PLUMV(buf) (((GstRtpH263PayPic *)(buf))->ptype_umvmode) #define GST_H263_PICTURELAYER_PLSAC(buf) (((GstRtpH263PayPic *)(buf))->ptype_sacmode) #define GST_H263_PICTURELAYER_PLAP(buf) (((GstRtpH263PayPic *)(buf))->ptype_apmode) /* * TODO: PB frame relevant tables */ #define GST_RTP_H263_PAY_END(start, len) (((guint8 *)start) + ((guint)len)) #define GST_RTP_H263_PAY_GOBN(gob) (((((guint8 *) gob)[2] >> 2) & 0x1f) gboolean gst_rtp_h263_pay_plugin_init (GstPlugin * plugin); G_END_DECLS #endif /* __GST_RTP_H263_PAY_H__ */