注：问号以及未注释部分 会在x265-1.9版本内更新
/*****************************************************************************
* Copyright (C) 2013 x265 project
*
* Authors: Steve Borho <steve@borho.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/
#include "common.h"
#include "slice.h"
#include "level.h"
namespace X265_NS {
typedef struct
{
uint32_t maxLumaSamples;//每帧最大亮度像素个数
uint32_t maxLumaSamplesPerSecond;//每秒传输最多的亮度像素个数
uint32_t maxBitrateMain;//Main tier 的最大比特率 （kbps）
uint32_t maxBitrateHigh;//High tier 的最大比特率 （kbps）
uint32_t maxCpbSizeMain;//MAIN层次CPB占用的最大bits数目kbps coded picture buffer (CPB)
uint32_t maxCpbSizeHigh;//HIGH层次CPB占用的最大bits数目kbps coded picture buffer (CPB)
uint32_t minCompressionRatio;//最小压缩比
Level::Name levelEnum;//级别名称
const char* name;//级别名字 字符串
int levelIdc;//级别标号 （十位为级别主号，个位为级别副号）
} LevelSpec;
//更层次级别对应的数据
LevelSpec levels[] =
{
//分别为：每帧最大亮度像素个数、每秒传输最多的亮度像素个数、Main tier 的最大比特率 （kbps）、High tier 的最大比特率 （kbps）、MAIN层次CPB占用的最大bits数目kbps、HIGH层次CPB占用的最大bits数目kbps、最小压缩比、级别名称、级别名称字符串、级别标号（十位为级别主号，个位为级别副号）
{ 36864, 552960, 128, MAX_UINT, 350, MAX_UINT, 2, Level::LEVEL1, "1", 10 },
{ 122880, 3686400, 1500, MAX_UINT, 1500, MAX_UINT, 2, Level::LEVEL2, "2", 20 },
{ 245760, 7372800, 3000, MAX_UINT, 3000, MAX_UINT, 2, Level::LEVEL2_1, "2.1", 21 },
{ 552960, 16588800, 6000, MAX_UINT, 6000, MAX_UINT, 2, Level::LEVEL3, "3", 30 },
{ 983040, 33177600, 10000, MAX_UINT, 10000, MAX_UINT, 2, Level::LEVEL3_1, "3.1", 31 },
{ 2228224, 66846720, 12000, 30000, 12000, 30000, 4, Level::LEVEL4, "4", 40 },
{ 2228224, 133693440, 20000, 50000, 20000, 50000, 4, Level::LEVEL4_1, "4.1", 41 },
{ 8912896, 267386880, 25000, 100000, 25000, 100000, 6, Level::LEVEL5, "5", 50 },
{ 8912896, 534773760, 40000, 160000, 40000, 160000, 8, Level::LEVEL5_1, "5.1", 51 },
{ 8912896, 1069547520, 60000, 240000, 60000, 240000, 8, Level::LEVEL5_2, "5.2", 52 },
{ 35651584, 1069547520, 60000, 240000, 60000, 240000, 8, Level::LEVEL6, "6", 60 },
{ 35651584, 2139095040, 120000, 480000, 120000, 480000, 8, Level::LEVEL6_1, "6.1", 61 },
{ 35651584, 4278190080U, 240000, 800000, 240000, 800000, 6, Level::LEVEL6_2, "6.2", 62 },
{ MAX_UINT, MAX_UINT, MAX_UINT, MAX_UINT, MAX_UINT, MAX_UINT, 1, Level::LEVEL8_5, "8.5", 85 },
};
/* determine minimum decoder level required to decode the described video */
/** 函数功能 ： 根据当前配置信息自动设置当前编码序列的档次、层次和级别
/* 调用范围 ： 只在x265_encoder *x265_encoder_open函数中被调用
* \参数 param ： 配置参数
* \参数 vps ： encoder类中的vps
* \返回 ： null * */
void determineLevel(const x265_param ¶m, VPS& vps)
{
vps.ptl.onePictureOnlyConstraintFlag = param.totalFrames == 1;//当前需要编码的是否只有一帧
vps.ptl.intraConstraintFlag = param.keyframeMax <= 1 || vps.ptl.onePictureOnlyConstraintFlag;//判断是否全I帧
vps.ptl.bitDepthConstraint = param.internalBitDepth;//像素位宽 8 10 12
vps.ptl.chromaFormatConstraint = param.internalCsp;//图像格式
/* TODO: figure out HighThroughput signaling, aka: HbrFactor in section A.4.2, only available
* for intra-only profiles (vps.ptl.intraConstraintFlag) */
vps.ptl.lowerBitRateConstraintFlag = true;//置为true 暂不应用
vps.maxTempSubLayers = param.bEnableTemporalSubLayers ? 2 : 1;//最大时域层个数
if (param.internalCsp == X265_CSP_I420 && param.internalBitDepth <= 10)//如果是420格式 并且位宽小于10
{
/* Probably an HEVC v1 profile, but must check to be sure */
if (param.internalBitDepth <= 8) //如果位宽小于8
{
if (vps.ptl.onePictureOnlyConstraintFlag) //当前只需要编码一帧
vps.ptl.profileIdc = Profile::MAINSTILLPICTURE; //确定为MAINSTILLPICTURE档次 当做静止图像编码
else if (vps.ptl.intraConstraintFlag)//全I帧
vps.ptl.profileIdc = Profile::MAINREXT; /* Main Intra */
else
vps.ptl.profileIdc = Profile::MAIN;
}
else if (param.internalBitDepth <= 10)//如果是10位位宽
{
/* note there is no 10bit still picture profile */
if (vps.ptl.intraConstraintFlag)//全I帧
vps.ptl.profileIdc = Profile::MAINREXT; /* Main10 Intra */
else
vps.ptl.profileIdc = Profile::MAIN10;
}
}
else
vps.ptl.profileIdc = Profile::MAINREXT; //其它档次
/* determine which profiles are compatible with this stream */
//设置是否应用档次
/*
MAIN ： MAIN、 MAIN10 置为true 其它为false
MAIN10并且8位 ： MAIN、 MAIN10 置为true 其它为false
MAINSTILLPICTURE: MAIN、 MAIN10 MAINSTILLPICTURE 置为true 其它为false
MAIN10 ： MAIN10 置为true 其它为false
MAINREXT ： MAINREXT 置为true 其它为false
**/
memset(vps.ptl.profileCompatibilityFlag, 0, sizeof(vps.ptl.profileCompatibilityFlag));//全部初始化为0
vps.ptl.profileCompatibilityFlag[vps.ptl.profileIdc] = true; //将对应档次置为true
if (vps.ptl.profileIdc == Profile::MAIN10 && param.internalBitDepth == 8)
vps.ptl.profileCompatibilityFlag[Profile::MAIN] = true;
else if (vps.ptl.profileIdc == Profile::MAIN)
vps.ptl.profileCompatibilityFlag[Profile::MAIN10] = true;
else if (vps.ptl.profileIdc == Profile::MAINSTILLPICTURE)
{
vps.ptl.profileCompatibilityFlag[Profile::MAIN] = true;
vps.ptl.profileCompatibilityFlag[Profile::MAIN10] = true;
}
else if (vps.ptl.profileIdc == Profile::MAINREXT)
vps.ptl.profileCompatibilityFlag[Profile::MAINREXT] = true;
uint32_t lumaSamples = param.sourceWidth * param.sourceHeight;//一帧亮度像素个数
uint32_t samplesPerSec = (uint32_t)(lumaSamples * ((double)param.fpsNum / param.fpsDenom));//一秒钟需要传输的亮度像素点个数
uint32_t bitrate = param.rc.vbvMaxBitrate ? param.rc.vbvMaxBitrate : param.rc.bitrate;//获取当前配置的最大每秒比特率 Kpbs
const uint32_t MaxDpbPicBuf = 6; //用于计算当前level的 DPB的最大长度
vps.ptl.levelIdc = Level::NONE;//初始化Level为0
vps.ptl.tierFlag = Level::MAIN;//初始化层次为Main
const size_t NumLevels = sizeof(levels) / sizeof(levels[0]);//获取当前编码器Level个数
uint32_t i;//用于记录当前level在在levels数组标号
if (param.bLossless)//如果当前配置的是无损压缩
{
i = 13;//level_8_5 在levels数组标号
vps.ptl.minCrForLevel = 1;// 当前的最小压缩比 CR 表示 CompressionRatio 无损压缩1:1
vps.ptl.maxLumaSrForLevel = MAX_UINT;//该等级每帧最大亮度像素个数
vps.ptl.levelIdc = Level::LEVEL8_5; //当前等级
vps.ptl.tierFlag = Level::MAIN; //当前层次
}
else for (i = 0; i < NumLevels; i++) //遍历所有level
{
if (lumaSamples > levels[i].maxLumaSamples)//如果当前一帧亮度个数大于当前级别规定个数 继续遍历下一个级别
continue;
else if (samplesPerSec > levels[i].maxLumaSamplesPerSecond)//如果当前一秒钟需要传输的亮度像素点个数大于当前级别规定个数 继续遍历下一个级别
continue;
else if (bitrate > levels[i].maxBitrateMain && levels[i].maxBitrateHigh == MAX_UINT)//如果当前配置最大码率大于当前级别规定码率 继续遍历下一个级别 （当前级别无High层次）
continue;
else if (bitrate > levels[i].maxBitrateHigh)//如果当前配置最大码率大于当前级别规定码率 继续遍历下一个级别
continue;
else if (param.sourceWidth > sqrt(levels[i].maxLumaSamples * 8.0f))//图像宽高受到该级别定义参数MaxLumaPS的限制—图像的宽和高均小于等于8倍的MaxLumaPS再开方
continue;
else if (param.sourceHeight > sqrt(levels[i].maxLumaSamples * 8.0f))//图像宽高受到该级别定义参数MaxLumaPS的限制—图像的宽和高均小于等于8倍的MaxLumaPS再开方
continue;
//最大参考帧个数为16 确定当前level的 DPB的最大长度
uint32_t maxDpbSize = MaxDpbPicBuf;//当前level的 DPB的最大长度
if (lumaSamples <= (levels[i].maxLumaSamples >> 2))
maxDpbSize = X265_MIN(4 * MaxDpbPicBuf, 16);
else if (lumaSamples <= (levels[i].maxLumaSamples >> 1))
maxDpbSize = X265_MIN(2 * MaxDpbPicBuf, 16);
else if (lumaSamples <= ((3 * levels[i].maxLumaSamples) >> 2))
maxDpbSize = X265_MIN((4 * MaxDpbPicBuf) / 3, 16);
/* The value of sps_max_dec_pic_buffering_minus1[ HighestTid ] + 1 shall be less than
* or equal to MaxDpbSize */
if (vps.maxDecPicBuffering > maxDpbSize)//如果当前DPB的长度不符合规则，继续遍历下一个级别
continue;
/* For level 5 and higher levels, the value of CtbSizeY shall be equal to 32 or 64 */
if (levels[i].levelEnum >= Level::LEVEL5 && param.maxCUSize < 32)//level 大于等于 Level::LEVEL5时，CTB必须大于等于32
{
x265_log(¶m, X265_LOG_WARNING, "level %s detected, but CTU size 16 is non-compliant\n", levels[i].name);
vps.ptl.profileIdc = Profile::NONE;
vps.ptl.levelIdc = Level::NONE;
vps.ptl.tierFlag = Level::MAIN;
x265_log(¶m, X265_LOG_INFO, "NONE profile, Level-NONE (Main tier)\n");
return;
}
/* The value of NumPocTotalCurr shall be less than or equal to 8 */
int numPocTotalCurr = param.maxNumReferences + vps.numReorderPics;//全部参考帧个数
if (numPocTotalCurr > 8)//全部参考帧个数不能大于8
{
x265_log(¶m, X265_LOG_WARNING, "level %s detected, but NumPocTotalCurr (total references) is non-compliant\n", levels[i].name);
vps.ptl.profileIdc = Profile::NONE;
vps.ptl.levelIdc = Level::NONE;
vps.ptl.tierFlag = Level::MAIN;
x265_log(¶m, X265_LOG_INFO, "NONE profile, Level-NONE (Main tier)\n");
return;
}
#define CHECK_RANGE(value, main, high) (high != MAX_UINT && value > main && value <= high)
if (CHECK_RANGE(bitrate, levels[i].maxBitrateMain, levels[i].maxBitrateHigh) ||
CHECK_RANGE((uint32_t)param.rc.vbvBufferSize, levels[i].maxCpbSizeMain, levels[i].maxCpbSizeHigh)) //bits是否超出范围
{
/* The bitrate or buffer size are out of range for Main tier, but in
* range for High tier. If the user requested High tier then give
* them High tier at this level. Otherwise allow the loop to
* progress to the Main tier of the next level */
if (param.bHighTier)//如果采用HIGH层次
vps.ptl.tierFlag = Level::HIGH;
else
continue;
}
else
vps.ptl.tierFlag = Level::MAIN;
#undef CHECK_RANGE
vps.ptl.levelIdc = levels[i].levelEnum;//设置等级
vps.ptl.minCrForLevel = levels[i].minCompressionRatio;//设置当前的最小压缩比 CR 表示 CompressionRatio
vps.ptl.maxLumaSrForLevel = levels[i].maxLumaSamplesPerSecond;//该等级每帧最大亮度像素个数
break;
}//for (i = 0; i < NumLevels; i++) 遍历所有level
static const char *profiles[] = { "None", "Main", "Main 10", "Main Still Picture", "RExt" };
static const char *tiers[] = { "Main", "High" };
char profbuf[64];//用于存储档次名称
strcpy(profbuf, profiles[vps.ptl.profileIdc]);//copy当前的档次名称
bool bStillPicture = false;//是否只编码一帧
if (vps.ptl.profileIdc == Profile::MAINREXT) //如果属于扩展档次或者全I帧
{
if (vps.ptl.bitDepthConstraint > 12 && vps.ptl.intraConstraintFlag)//如果12位宽 并且全I帧
{
if (vps.ptl.onePictureOnlyConstraintFlag)//是否只编码一帧
{
strcpy(profbuf, "Main 4:4:4 16 Still Picture");
bStillPicture = true;
}
else
strcpy(profbuf, "Main 4:4:4 16");
}
else if (param.internalCsp == X265_CSP_I420)//如果是420格式 确定相应档次
{
X265_CHECK(vps.ptl.intraConstraintFlag || vps.ptl.bitDepthConstraint > 10, "rext fail\n");
if (vps.ptl.bitDepthConstraint <= 8)
strcpy(profbuf, "Main");
else if (vps.ptl.bitDepthConstraint <= 10)
strcpy(profbuf, "Main 10");
else if (vps.ptl.bitDepthConstraint <= 12)
strcpy(profbuf, "Main 12");
}
else if (param.internalCsp == X265_CSP_I422)//4:2:2格式
{
/* there is no Main 4:2:2 profile, so it must be signaled as Main10 4:2:2 */
if (param.internalBitDepth <= 10)
strcpy(profbuf, "Main 4:2:2 10");
else if (vps.ptl.bitDepthConstraint <= 12)
strcpy(profbuf, "Main 4:2:2 12");
}
else if (param.internalCsp == X265_CSP_I444)//4:4:4格式
{
if (vps.ptl.bitDepthConstraint <= 8)
{
if (vps.ptl.onePictureOnlyConstraintFlag)
{
strcpy(profbuf, "Main 4:4:4 Still Picture");
bStillPicture = true;
}
else
strcpy(profbuf, "Main 4:4:4");
}
else if (vps.ptl.bitDepthConstraint <= 10)
strcpy(profbuf, "Main 4:4:4 10");
else if (vps.ptl.bitDepthConstraint <= 12)
strcpy(profbuf, "Main 4:4:4 12");
}
else
strcpy(profbuf, "Unknown");
if (vps.ptl.intraConstraintFlag && !bStillPicture)
strcat(profbuf, " Intra");
}
x265_log(¶m, X265_LOG_INFO, "%s profile, Level-%s (%s tier)\n",
profbuf, levels[i].name, tiers[vps.ptl.tierFlag]); //打印log信息
}
/* enforce a maximum decoder level requirement, in other words assure that a
* decoder of the specified level may decode the video about to be created.
* Lower parameters where necessary to ensure the video will be decodable by a
* decoder meeting this level of requirement. Some parameters (resolution and
* frame rate) are non-negotiable and thus this function may fail. In those
* circumstances it will be quite noisy */
/** 函数功能 ： ？？？分析加权信息(每个list的第一帧分析加权与否，其它不加权)
/* 调用范围 ： 只在x265_encoder *x265_encoder_open函数中被调用
* \参数 param ： 配置参数
* \参数 vps ： encoder类中的vps
* \返回 ： ？？null * */
bool enforceLevel(x265_param& param, VPS& vps)
{
vps.numReorderPics = (param.bBPyramid && param.bframes > 1) ? 2 : !!param.bframes;//需要重排序的帧数
vps.maxDecPicBuffering = X265_MIN(MAX_NUM_REF, X265_MAX(vps.numReorderPics + 2, (uint32_t)param.maxNumReferences) + vps.numReorderPics);//解码需要的buffer大小
/* no level specified by user, just auto-detect from the configuration */
if (param.levelIdc <= 0)//？？？？
return true;
uint32_t level = 0;
while (levels[level].levelIdc != param.levelIdc && level + 1 < sizeof(levels) / sizeof(levels[0]))
level++;
if (levels[level].levelIdc != param.levelIdc)
{
x265_log(¶m, X265_LOG_WARNING, "specified level %d does not exist\n", param.levelIdc);
return false;
}
LevelSpec& l = levels[level];
bool highTier = !!param.bHighTier;
if (highTier && l.maxBitrateHigh == MAX_UINT)
{
highTier = false;
x265_log(¶m, X265_LOG_WARNING, "Level %s has no High tier, using Main tier\n", l.name);
}
uint32_t lumaSamples = param.sourceWidth * param.sourceHeight;
uint32_t samplesPerSec = (uint32_t)(lumaSamples * ((double)param.fpsNum / param.fpsDenom));
bool ok = true;
if (lumaSamples > l.maxLumaSamples)
ok = false;
else if (param.sourceWidth > sqrt(l.maxLumaSamples * 8.0f))
ok = false;
else if (param.sourceHeight > sqrt(l.maxLumaSamples * 8.0f))
ok = false;
if (!ok)
{
x265_log(¶m, X265_LOG_WARNING, "picture dimensions are out of range for specified level\n");
return false;
}
else if (samplesPerSec > l.maxLumaSamplesPerSecond)
{
x265_log(¶m, X265_LOG_WARNING, "frame rate is out of range for specified level\n");
return false;
}
if ((uint32_t)param.rc.vbvMaxBitrate > (highTier ? l.maxBitrateHigh : l.maxBitrateMain))
{
param.rc.vbvMaxBitrate = highTier ? l.maxBitrateHigh : l.maxBitrateMain;
x265_log(¶m, X265_LOG_INFO, "lowering VBV max bitrate to %dKbps\n", param.rc.vbvMaxBitrate);
}
if ((uint32_t)param.rc.vbvBufferSize > (highTier ? l.maxCpbSizeHigh : l.maxCpbSizeMain))
{
param.rc.vbvBufferSize = highTier ? l.maxCpbSizeHigh : l.maxCpbSizeMain;
x265_log(¶m, X265_LOG_INFO, "lowering VBV buffer size to %dKb\n", param.rc.vbvBufferSize);
}
switch (param.rc.rateControlMode)
{
case X265_RC_ABR:
if ((uint32_t)param.rc.bitrate > (highTier ? l.maxBitrateHigh : l.maxBitrateMain))
{
param.rc.bitrate = l.maxBitrateHigh;
x265_log(¶m, X265_LOG_INFO, "lowering target bitrate to High tier limit of %dKbps\n", param.rc.bitrate);
}
break;
case X265_RC_CQP:
x265_log(¶m, X265_LOG_WARNING, "Constant QP is inconsistent with specifying a decoder level, no bitrate guarantee is possible.\n");
return false;
case X265_RC_CRF:
if (!param.rc.vbvBufferSize || !param.rc.vbvMaxBitrate)
{
if (!param.rc.vbvMaxBitrate)
param.rc.vbvMaxBitrate = highTier ? l.maxBitrateHigh : l.maxBitrateMain;
if (!param.rc.vbvBufferSize)
param.rc.vbvBufferSize = highTier ? l.maxCpbSizeHigh : l.maxCpbSizeMain;
x265_log(¶m, X265_LOG_WARNING, "Specifying a decoder level with constant rate factor rate-control requires\n");
x265_log(¶m, X265_LOG_WARNING, "enabling VBV with vbv-bufsize=%dkb vbv-maxrate=%dkbps. VBV outputs are non-deterministic!\n",
param.rc.vbvBufferSize, param.rc.vbvMaxBitrate);
}
break;
default:
x265_log(¶m, X265_LOG_ERROR, "Unknown rate control mode is inconsistent with specifying a decoder level\n");
return false;
}
/* The value of sps_max_dec_pic_buffering_minus1[ HighestTid ] + 1 shall be less than or equal to MaxDpbSize */
const uint32_t MaxDpbPicBuf = 6;
uint32_t maxDpbSize = MaxDpbPicBuf;
if (lumaSamples <= (l.maxLumaSamples >> 2))
maxDpbSize = X265_MIN(4 * MaxDpbPicBuf, 16);
else if (lumaSamples <= (l.maxLumaSamples >> 1))
maxDpbSize = X265_MIN(2 * MaxDpbPicBuf, 16);
else if (lumaSamples <= ((3 * l.maxLumaSamples) >> 2))
maxDpbSize = X265_MIN((4 * MaxDpbPicBuf) / 3, 16);
int savedRefCount = param.maxNumReferences;
while (vps.maxDecPicBuffering > maxDpbSize && param.maxNumReferences > 1)
{
param.maxNumReferences--;
vps.maxDecPicBuffering = X265_MIN(MAX_NUM_REF, X265_MAX(vps.numReorderPics + 1, (uint32_t)param.maxNumReferences) + vps.numReorderPics);
}
if (param.maxNumReferences != savedRefCount)
x265_log(¶m, X265_LOG_INFO, "Lowering max references to %d to meet level requirement\n", param.maxNumReferences);
/* For level 5 and higher levels, the value of CtbSizeY shall be equal to 32 or 64 */
if (param.levelIdc >= 50 && param.maxCUSize < 32)
{
param.maxCUSize = 32;
x265_log(¶m, X265_LOG_INFO, "Levels 5.0 and above require a maximum CTU size of at least 32, using --ctu 32\n");
}
/* The value of NumPocTotalCurr shall be less than or equal to 8 */
int numPocTotalCurr = param.maxNumReferences + !!param.bframes;
if (numPocTotalCurr > 8)
{
param.maxNumReferences = 8 - !!param.bframes;
x265_log(¶m, X265_LOG_INFO, "Lowering max references to %d to meet numPocTotalCurr requirement\n", param.maxNumReferences);
}
return true;
}
}
#if EXPORT_C_API
/* these functions are exported as C functions (default) */
using namespace X265_NS;
extern "C" {
#else
/* these functions exist within private namespace (multilib) */
namespace X265_NS {
#endif
int x265_param_apply_profile(x265_param *param, const char *profile)
{
if (!param || !profile)
return 0;
/* Check if profile bit-depth requirement is exceeded by internal bit depth */
bool bInvalidDepth = false;
#if X265_DEPTH > 8
if (!strcmp(profile, "main") || !strcmp(profile, "mainstillpicture") || !strcmp(profile, "msp") ||
!strcmp(profile, "main444-8") || !strcmp(profile, "main-intra") ||
!strcmp(profile, "main444-intra") || !strcmp(profile, "main444-stillpicture"))
bInvalidDepth = true;
#endif
#if X265_DEPTH > 10
if (!strcmp(profile, "main10") || !strcmp(profile, "main422-10") || !strcmp(profile, "main444-10") ||
!strcmp(profile, "main10-intra") || !strcmp(profile, "main422-10-intra") || !strcmp(profile, "main444-10-intra"))
bInvalidDepth = true;
#endif
#if X265_DEPTH > 12
if (!strcmp(profile, "main12") || !strcmp(profile, "main422-12") || !strcmp(profile, "main444-12") ||
!strcmp(profile, "main12-intra") || !strcmp(profile, "main422-12-intra") || !strcmp(profile, "main444-12-intra"))
bInvalidDepth = true;
#endif
if (bInvalidDepth)
{
x265_log(param, X265_LOG_ERROR, "%s profile not supported, internal bit depth %d.\n", profile, X265_DEPTH);
return -1;
}
size_t l = strlen(profile);
bool bBoolIntra = (l > 6 && !strcmp(profile + l - 6, "-intra")) ||
!strcmp(profile, "mainstillpicture") || !strcmp(profile, "msp");
if (bBoolIntra)
{
/* The profile may be detected as still picture if param->totalFrames is 1 */
param->keyframeMax = 1;
}
/* check that input color space is supported by profile */
if (!strcmp(profile, "main") || !strcmp(profile, "main-intra") ||
!strcmp(profile, "main10") || !strcmp(profile, "main10-intra") ||
!strcmp(profile, "main12") || !strcmp(profile, "main12-intra") ||
!strcmp(profile, "mainstillpicture") || !strcmp(profile, "msp"))
{
if (param->internalCsp != X265_CSP_I420)
{
x265_log(param, X265_LOG_ERROR, "%s profile not compatible with %s input color space.\n",
profile, x265_source_csp_names[param->internalCsp]);
return -1;
}
}
else if (!strcmp(profile, "main422-10") || !strcmp(profile, "main422-10-intra") ||
!strcmp(profile, "main422-12") || !strcmp(profile, "main422-12-intra"))
{
if (param->internalCsp != X265_CSP_I420 && param->internalCsp != X265_CSP_I422)
{
x265_log(param, X265_LOG_ERROR, "%s profile not compatible with %s input color space.\n",
profile, x265_source_csp_names[param->internalCsp]);
return -1;
}
}
else if (!strcmp(profile, "main444-8") ||
!strcmp(profile, "main444-intra") || !strcmp(profile, "main444-stillpicture") ||
!strcmp(profile, "main444-10") || !strcmp(profile, "main444-10-intra") ||
!strcmp(profile, "main444-12") || !strcmp(profile, "main444-12-intra") ||
!strcmp(profile, "main444-16-intra") || !strcmp(profile, "main444-16-stillpicture"))
{
/* any color space allowed */
}
else
{
x265_log(param, X265_LOG_ERROR, "unknown profile <%s>\n", profile);
return -1;
}
return 0;
}
}