[x265] [PATCH] CEA 608/708 Support
Indumathi Ravichandran
indumathi at multicorewareinc.com
Thu Jun 21 16:50:01 CEST 2018
Okay. Will rename and send the patch tomorrow.
On Wed, Jun 20, 2018 at 8:45 PM, Alex Giladi <alex.giladi at gmail.com> wrote:
> I would rename the "usersei-file" option into something like "nalu-file",
> as the input file format allows arbitrary NAL units rather than only SEIs
> (despite only prefix SEIs being implemented).
>
>
> On Wed, Jun 20, 2018 at 4:43 AM, <indumathi at multicorewareinc.com> wrote:
>
>> # HG changeset patch
>> # User indumathi at multicorewareinc.com
>> # Date 1528726491 -19800
>> # Mon Jun 11 19:44:51 2018 +0530
>> # Node ID e1dd8424a3bd5f9f61f4a73aec6f2aee27591772
>> # Parent a8a5ccf5aaf7e04e439a216e5c396991c6b76999
>> CEA 608/708 Support
>>
>> Parse the SEI messages from text file and insert it into the userSEI with
>> cli option.
>>
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd doc/reST/cli.rst
>> --- a/doc/reST/cli.rst Wed Jun 13 09:54:27 2018 +0530
>> +++ b/doc/reST/cli.rst Mon Jun 11 19:44:51 2018 +0530
>> @@ -2135,6 +2135,12 @@
>>
>> Maximum luma value allowed for input pictures. Any values above
>> max-luma
>> are clipped. No default.
>> +
>> +.. option:: --usersei-file <filename>
>> +
>> + Text file containing userSEI in POC order :
>> <POC><space><PREFIX><space><NAL UNIT TYPE>/<SEI TYPE><space><SEI Payload>
>> + Parse the input file specified and inserts SEI messages into the
>> bitstream.
>> + Currently, we support only PREFIX SEI messages. This is an
>> "application-only" feature.
>>
>> .. option:: --atc-sei <integer>
>>
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/CMakeLists.txt
>> --- a/source/CMakeLists.txt Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/CMakeLists.txt Mon Jun 11 19:44:51 2018 +0530
>> @@ -29,7 +29,7 @@
>> option(STATIC_LINK_CRT "Statically link C runtime for release builds"
>> OFF)
>> mark_as_advanced(FPROFILE_USE FPROFILE_GENERATE NATIVE_BUILD)
>> # X265_BUILD must be incremented each time the public API is changed
>> -set(X265_BUILD 161)
>> +set(X265_BUILD 162)
>> configure_file("${PROJECT_SOURCE_DIR}/x265.def.in"
>> "${PROJECT_BINARY_DIR}/x265.def")
>> configure_file("${PROJECT_SOURCE_DIR}/x265_config.h.in"
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/common/param.cpp
>> --- a/source/common/param.cpp Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/common/param.cpp Mon Jun 11 19:44:51 2018 +0530
>> @@ -302,6 +302,7 @@
>> param->bDisableLookahead = 0;
>> param->bCopyPicToFrame = 1;
>> param->maxAUSizeFactor = 1;
>> + param->userSeiFile = NULL;
>>
>> /* DCT Approximations */
>> param->bLowPassDct = 0;
>> @@ -1048,6 +1049,7 @@
>> OPT("pic-struct") p->pictureStructure = atoi(value);
>> OPT("chunk-start") p->chunkStart = atoi(value);
>> OPT("chunk-end") p->chunkEnd = atoi(value);
>> + OPT("usersei-file") p->userSeiFile = strdup(value);
>> else
>> return X265_PARAM_BAD_NAME;
>> }
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/encoder/encoder.cpp
>> --- a/source/encoder/encoder.cpp Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/encoder/encoder.cpp Mon Jun 11 19:44:51 2018 +0530
>> @@ -79,6 +79,7 @@
>> m_threadPool = NULL;
>> m_analysisFileIn = NULL;
>> m_analysisFileOut = NULL;
>> + m_seiFile = NULL;
>> m_offsetEmergency = NULL;
>> m_iFrameNum = 0;
>> m_iPPSQpMinus26 = 0;
>> @@ -412,6 +413,20 @@
>>
>> m_emitCLLSEI = p->maxCLL || p->maxFALL;
>>
>> + if (m_param->userSeiFile)
>> + {
>> + m_seiFile = x265_fopen(m_param->userSeiFile, "r");
>> + if (!m_seiFile)
>> + {
>> + x265_log_file(NULL, X265_LOG_ERROR, "%s file not found or
>> Failed to open\n", m_param->userSeiFile);
>> + m_aborted = true;
>> + }
>> + else
>> + m_enableUserSei = 1;
>> + }
>> + else
>> + m_enableUserSei = 0;
>> +
>> #if ENABLE_HDR10_PLUS
>> if (m_bToneMap)
>> m_numCimInfo = m_hdr10plus_api->hdr10plus_jso
>> n_to_movie_cim(m_param->toneMapFile, m_cim);
>> @@ -782,6 +797,8 @@
>> }
>> X265_FREE(temp);
>> }
>> + if (m_seiFile)
>> + fclose(m_seiFile);
>> if (m_param)
>> {
>> if (m_param->csvfpt)
>> @@ -922,7 +939,14 @@
>> }
>> }
>> #endif
>> -
>> +/* seiMsg will contain SEI messages specified in a fixed file format in
>> POC order.
>> +* Format of the file : <POC><space><PREFIX><space><NAL UNIT TYPE>/<SEI
>> TYPE><space><SEI Payload> */
>> + x265_sei_payload seiMsg;
>> + seiMsg.payload = NULL;
>> + if (m_enableUserSei)
>> + {
>> + seiMsg = readUserSeiFile(m_pocLast);
>> + }
>> if (pic_in->bitDepth < 8 || pic_in->bitDepth > 16)
>> {
>> x265_log(m_param, X265_LOG_ERROR, "Input bit depth (%d) must
>> be between 8 and 16\n",
>> @@ -1008,6 +1032,8 @@
>> if (m_bToneMap && toneMap.payload)
>> toneMapEnable = 1;
>> int numPayloads = pic_in->userSEI.numPayloads + toneMapEnable;
>> + if (m_enableUserSei && seiMsg.payload)
>> + numPayloads += m_enableUserSei;
>> inFrame->m_userSEI.numPayloads = numPayloads;
>>
>> if (inFrame->m_userSEI.numPayloads)
>> @@ -1023,6 +1049,8 @@
>> x265_sei_payload input;
>> if ((i == (numPayloads - 1)) && toneMapEnable)
>> input = toneMap;
>> + else if (m_enableUserSei)
>> + input = seiMsg;
>> else
>> input = pic_in->userSEI.payloads[i];
>> int size = inFrame->m_userSEI.payloads[i].payloadSize =
>> input.payloadSize;
>> @@ -1033,6 +1061,8 @@
>> }
>> if (toneMap.payload)
>> x265_free(toneMap.payload);
>> + if (seiMsg.payload)
>> + x265_free(seiMsg.payload);
>> }
>>
>> if (pic_in->quantOffsets != NULL)
>> @@ -4706,6 +4736,55 @@
>> TOOLCMP(oldParam->rc.rfConstant, newParam->rc.rfConstant, "crf=%f
>> to %f\n");
>> }
>>
>> +x265_sei_payload Encoder::readUserSeiFile(int curPoc)
>> +{
>> + x265_sei_payload seiMsg;
>> + seiMsg.payload = NULL;
>> + char line[1024];
>> + while (!feof(m_seiFile))
>> + {
>> + fgets(line, sizeof(line), m_seiFile);
>> + int poc = atoi(strtok(line, " "));
>> + char *prefix = strtok(NULL, " ");
>> + int nalType = atoi(strtok(NULL, "/"));
>> + int payloadType = atoi(strtok(NULL, " "));
>> + char *base64Encode = strtok(NULL, "\n");
>> + int base64EncodeLength = (int)strlen(base64Encode);
>> + char *base64Decode = SEI::base64Decode(base64Encode,
>> base64EncodeLength);
>> + if (nalType == NAL_UNIT_PREFIX_SEI && (!strcmp(prefix,
>> "PREFIX")))
>> + {
>> + int currentPOC = curPoc + 1;
>> + if (currentPOC == poc)
>> + {
>> + seiMsg.payloadSize = (base64EncodeLength / 4) * 3;
>> + seiMsg.payload = (uint8_t*)x265_malloc(sizeof(uint8_t)
>> * seiMsg.payloadSize);
>> + if (!seiMsg.payload)
>> + {
>> + x265_log(m_param, X265_LOG_ERROR, "Unable to
>> allocate memory for SEI payload\n");
>> + break;
>> + }
>> + if (payloadType == 4)
>> + seiMsg.payloadType = USER_DATA_REGISTERED_ITU_T_T35;
>> + else if (payloadType == 5)
>> + seiMsg.payloadType = USER_DATA_UNREGISTERED;
>> + else
>> + {
>> + x265_log(m_param, X265_LOG_WARNING, "Unsupported SEI
>> payload Type for frame %d\n", poc);
>> + break;
>> + }
>> + memcpy(seiMsg.payload, base64Decode, seiMsg.payloadSize);
>> + return seiMsg;
>> + }
>> + }
>> + else
>> + {
>> + x265_log(m_param, X265_LOG_WARNING, "SEI message for frame
>> %d is not inserted. Will support only PREFIX SEI messages.\n", poc);
>> + break;
>> + }
>> + }
>> + return seiMsg;
>> +}
>> +
>> bool Encoder::computeSPSRPSIndex()
>> {
>> RPS* rpsInSPS = m_sps.spsrps;
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/encoder/encoder.h
>> --- a/source/encoder/encoder.h Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/encoder/encoder.h Mon Jun 11 19:44:51 2018 +0530
>> @@ -169,6 +169,7 @@
>> Frame* m_exportedPic;
>> FILE* m_analysisFileIn;
>> FILE* m_analysisFileOut;
>> + FILE* m_seiFile;
>> x265_param* m_param;
>> x265_param* m_latestParam; // Holds latest param during a
>> reconfigure
>> RateControl* m_rateControl;
>> @@ -212,6 +213,7 @@
>> double m_cR;
>>
>> int m_bToneMap; // Enables tone-mapping
>> + int m_enableUserSei;
>>
>> #ifdef ENABLE_HDR10_PLUS
>> const hdr10plus_api *m_hdr10plus_api;
>> @@ -299,6 +301,8 @@
>>
>> int validateAnalysisData(x265_analysis_data* analysis, int
>> readWriteFlag);
>>
>> + x265_sei_payload readUserSeiFile(int poc);
>> +
>> void calcRefreshInterval(Frame* frameEnc);
>>
>> void initRefIdx();
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/encoder/sei.cpp
>> --- a/source/encoder/sei.cpp Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/encoder/sei.cpp Mon Jun 11 19:44:51 2018 +0530
>> @@ -90,3 +90,63 @@
>> {
>> m_payloadSize = size;
>> }
>> +
>> +/* charSet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabc
>> defghijklmnopqrstuvwxyz0123456789+/" */
>> +
>> +char* SEI::base64Decode(char encodedString[], int base64EncodeLength)
>> +{
>> + char* decodedString;
>> + decodedString = (char*)malloc(sizeof(char) * ((base64EncodeLength /
>> 4) * 3));
>> + int i, j, k = 0;
>> + // stores the bitstream
>> + int bitstream = 0;
>> + // countBits stores current number of bits in bitstream
>> + int countBits = 0;
>> + // selects 4 characters from encodedString at a time. Find the
>> position of each encoded character in charSet and stores in bitstream
>> + for (i = 0; i < base64EncodeLength; i += 4)
>> + {
>> + bitstream = 0, countBits = 0;
>> + for (j = 0; j < 4; j++)
>> + {
>> + // make space for 6 bits
>> + if (encodedString[i + j] != '=')
>> + {
>> + bitstream = bitstream << 6;
>> + countBits += 6;
>> + }
>> + // Finding the position of each encoded character in charSet
>> and storing in bitstream, use OR '|' operator to store bits
>> +
>> + if (encodedString[i + j] >= 'A' && encodedString[i + j] <=
>> 'Z')
>> + bitstream = bitstream | (encodedString[i + j] - 'A');
>> +
>> + else if (encodedString[i + j] >= 'a' && encodedString[i + j]
>> <= 'z')
>> + bitstream = bitstream | (encodedString[i + j] - 'a' +
>> 26);
>> +
>> + else if (encodedString[i + j] >= '0' && encodedString[i + j]
>> <= '9')
>> + bitstream = bitstream | (encodedString[i + j] - '0' +
>> 52);
>> +
>> + // '+' occurs in 62nd position in charSet
>> + else if (encodedString[i + j] == '+')
>> + bitstream = bitstream | 62;
>> +
>> + // '/' occurs in 63rd position in charSet
>> + else if (encodedString[i + j] == '/')
>> + bitstream = bitstream | 63;
>> +
>> + // to delete appended bits during encoding
>> + else
>> + {
>> + bitstream = bitstream >> 2;
>> + countBits -= 2;
>> + }
>> + }
>> +
>> + while (countBits != 0)
>> + {
>> + countBits -= 8;
>> + decodedString[k++] = (bitstream >> countBits) & 255;
>> + }
>> + }
>> + return decodedString;
>> +}
>> +
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/encoder/sei.h
>> --- a/source/encoder/sei.h Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/encoder/sei.h Mon Jun 11 19:44:51 2018 +0530
>> @@ -41,6 +41,7 @@
>> void alignAndSerialize(Bitstream& bs, int lastSei, int isSingleSei,
>> NalUnitType nalUnitType, NALList& list);
>> int countPayloadSize(const SPS& sps);
>> void setSize(uint32_t size);
>> + static char* base64Decode(char encodedString[], int
>> base64EncodeLength);
>> virtual ~SEI() {}
>> protected:
>> SEIPayloadType m_payloadType;
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/x265.h
>> --- a/source/x265.h Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/x265.h Mon Jun 11 19:44:51 2018 +0530
>> @@ -1641,6 +1641,8 @@
>> * used in taking lookahead decisions, but, they will not be
>> encoded.
>> * Default 0 (disabled). */
>> int chunkEnd;
>> + /* File containing base64 encoded SEI messages in POC order */
>> + const char* userSeiFile;
>>
>> } x265_param;
>>
>> diff -r a8a5ccf5aaf7 -r e1dd8424a3bd source/x265cli.h
>> --- a/source/x265cli.h Wed Jun 13 09:54:27 2018 +0530
>> +++ b/source/x265cli.h Mon Jun 11 19:44:51 2018 +0530
>> @@ -304,6 +304,7 @@
>> { "no-single-sei", no_argument, NULL, 0 },
>> { "atc-sei", required_argument, NULL, 0 },
>> { "pic-struct", required_argument, NULL, 0 },
>> + { "usersei-file", required_argument, NULL, 0 },
>> { 0, 0, 0, 0 },
>> { 0, 0, 0, 0 },
>> { 0, 0, 0, 0 },
>> @@ -354,6 +355,7 @@
>> H0(" --dhdr10-info <filename> JSON file containing the
>> Creative Intent Metadata to be encoded as Dynamic Tone Mapping\n");
>> H0(" --[no-]dhdr10-opt Insert tone mapping SEI only
>> for IDR frames and when the tone mapping information changes. Default
>> disabled\n");
>> #endif
>> + H0(" --usersei-file <filename> Text file containing SEI
>> messages in the following format : <POC><space><PREFIX><space><NAL UNIT
>> TYPE>/<SEI TYPE><space><SEI Payload>\n");
>> H0("-f/--frames <integer> Maximum number of frames to
>> encode. Default all\n");
>> H0(" --seek <integer> First frame to encode\n");
>> H1(" --[no-]interlace <bff|tff> Indicate input pictures are
>> interlace fields in temporal order. Default progressive\n");
>>
>> _______________________________________________
>> x265-devel mailing list
>> x265-devel at videolan.org
>> https://mailman.videolan.org/listinfo/x265-devel
>>
>>
>
> _______________________________________________
> x265-devel mailing list
> x265-devel at videolan.org
> https://mailman.videolan.org/listinfo/x265-devel
>
>
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