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/**
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef IMSMEDIA_VIDEO_UTIL_H_INCLUDED
#define IMSMEDIA_VIDEO_UTIL_H_INCLUDED
#include <stdint.h>
#include <ImsMediaDefine.h>
#include <VideoConfig.h>
#define MAX_CONFIG_LEN 256
#define MAX_CONFIG_INDEX 3
#define MAX_VIDEO_WIDTH 1920
#define MAX_VIDEO_HEIGHT 1920
#define MAX_WAIT_RESTART 1000
#define MAX_WAIT_CAMERA 1000
#define MAX_RTP_PAYLOAD_BUFFER_SIZE (MAX_VIDEO_WIDTH * MAX_VIDEO_HEIGHT * 3 >> 1)
enum kVideoResolution
{
/* video resolu tion is not defined */
kVideoResolutionInvalid,
kVideoResolutionSqcifLandscape, // 128x92
kVideoResolutionSqcifPortrait, // 92x128
kVideoResolutionQcifLandscape, // 176x144
kVideoResolutionQcifPortrait, // 144x176
kVideoResolutionQvgaLandscape, // 320x240
kVideoResolutionQvgaPortrait, // 240x320
kVideoResolutionSifLandscape, // 352x240
kVideoResolutionSifPortrait, // 240x352
kVideoResolutionCifLandscape, // 352x288
kVideoResolutionCifPortrait, // 288x352
kVideoResolutionVgaLandscape, // 640x480
kVideoResolutionVgaPortrait, // 480x640
kVideoResolutionHdLandscape, // 1280x720
kVideoResolutionHdPortrait, // 720x1280
kVideoResolutionFhdLandscape, // 1920x1280
kVideoResolutionFhdPortrait, // 1280x1920
};
enum kConfigFrameType
{
kConfigSps = 0,
kConfigPps = 1,
kConfigVps = 2,
};
struct tCodecConfig
{
uint32_t nWidth;
uint32_t nHeight;
uint32_t nProfile;
uint32_t nLevel;
};
enum kRtcpFeedbackType
{
kRtcpFeedbackNone = 0,
kRtpFbNack = 1, // Generic NACK
kRtpFbTmmbr = 3, // Temoporary Maximum Media Stream Bitrate Request
kRtpFbTmmbn = 4, // Temoporary Maximum Media Stream Bitrate Notification
kPsfbBoundary = 10,
kPsfbPli = 11, // Picture Loss Indication
kPsfbSli = 12, // Slice Loss Indication
kPsfbRrsi = 13, // Reference Picture Selection Indication
kPsfbFir = 14, // Full Intra Request - same as "fast video update"
kPsfbTstr = 15, // Temporal-Spatial Tradeoff Request - used for changing framerate
kPsfbTstn = 16, // Temporal-Spatial Tradeoff Noficiation
kPsfbVbcm = 17, // Video Back Channel Message
};
enum kNackRequestType
{
kRequestSendNackNone = 0,
kRequestInitialNack,
kRequestSecondNack,
kRequestPli,
};
struct NackParams
{
public:
NackParams() :
PID(0),
BLP(0),
nSecNackCnt(0),
bNackReport(false)
{
}
NackParams(const NackParams& p)
{
PID = p.PID;
BLP = p.BLP;
nSecNackCnt = p.nSecNackCnt;
bNackReport = p.bNackReport;
}
NackParams(uint16_t f, uint16_t b, uint16_t cnt, bool r) :
PID(f),
BLP(b),
nSecNackCnt(cnt),
bNackReport(r)
{
}
uint16_t PID;
uint16_t BLP;
uint16_t nSecNackCnt;
bool bNackReport;
};
struct TmmbrParams
{
public:
TmmbrParams(uint32_t ss = 0, uint32_t e = 0, uint32_t m = 0, uint32_t o = 0) :
ssrc(ss),
exp(e),
mantissa(m),
overhead(o)
{
}
TmmbrParams(const TmmbrParams& p)
{
ssrc = p.ssrc;
exp = p.exp;
mantissa = p.mantissa;
overhead = p.overhead;
}
uint32_t ssrc;
uint32_t exp;
uint32_t mantissa;
uint32_t overhead;
};
enum kCameraFacing
{
kCameraFacingFront = 0,
kCameraFacingRear,
};
struct InternalRequestEventParam
{
public:
InternalRequestEventParam() :
type(0),
value(0)
{
}
InternalRequestEventParam(uint32_t t, uint32_t v) :
type(t),
value(v)
{
}
InternalRequestEventParam(uint32_t t, const NackParams& params) :
type(t),
nackParams(params)
{
}
InternalRequestEventParam(uint32_t t, const TmmbrParams& params) :
type(t),
tmmbrParams(params)
{
}
uint32_t type;
union
{
uint32_t value;
NackParams nackParams;
TmmbrParams tmmbrParams;
};
};
/**
* @brief Utility class for video codec operation.
*/
class ImsMediaVideoUtil
{
public:
ImsMediaVideoUtil();
~ImsMediaVideoUtil();
static int32_t ConvertCodecType(int32_t type);
static uint32_t GetResolutionFromSize(uint32_t nWidth, uint32_t nHeight);
static ImsMediaResult ParseAvcSpropParam(const char* szSpropparam, tCodecConfig* pInfo);
static ImsMediaResult ParseHevcSpropParam(const char* szSpropparam, tCodecConfig* pInfo);
static bool ParseAvcSps(uint8_t* pbBuffer, uint32_t nBufferSize, tCodecConfig* pInfo);
static bool ParseHevcSps(uint8_t* pbBuffer, uint32_t nBufferSize, tCodecConfig* pInfo);
static char* GenerateVideoSprop(VideoConfig* pVideoConfig);
static void ConvertBitrateToPower(
const uint32_t nInputBitrate, uint32_t& nOutExp, uint32_t& nOutMantissa);
};
#endif // IMSMEDIA_VIDEOUTIL_H_INCLUDED
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