I cannot find the implementation of compute_vmaf in the patch attached. I'm
not sure why the libvmaf interface for a single frame  doesnt include the
motion component? Can you point me to this code and vmaf API description?

On Mon, Apr 16, 2018 at 5:26 PM, Aruna Matheswaran <
ar...@multicorewareinc.com> wrote:

>
>
> On Mon, Apr 16, 2018 at 4:00 PM, Ashok Kumar Mishra <
> as...@multicorewareinc.com> wrote:
>
>>
>>
>> On Mon, Apr 16, 2018 at 3:33 PM, Deepthi Nandakumar <
>> deepthipnandaku...@gmail.com> wrote:
>>
>>> Not sure I understand - are you saying you write the frame level VMAF
>>> score into the CSV file, and then read it back again to compute the mean?
>>>
>>
>> Yes, now I sense something wrong in our code. If we are computing per
>> frame vmaf score,  we can take the mean of vmaf scores of all frames to get
>> the aggregate vmaf score.
>> So file reads are not required. I was thinking in a different way that a
>> user may be interested in either frame level or file level vmaf score.
>>
>> Is it the aggregate vmaf score is same as the mean of per frame vmaf
>> scores of all the frames in a file or there are some other methods used to
>> calculate aggregate vmaf score for a file?
>>
>
> The frame level score we get from the vmaf library by passing just a
> source frame and its recon isn't actually a vmaf score as it doesn't
> include the motion component of vmaf. When we pass the whole source and
> recon yuvs to the vmaf library, it will compute per frame vmaf scores
> (which includes motion component in its computation) and give out the mean
> vmaf score of all the frames as the aggregate score. Therefore, we are
> passing the source and recon yuv files to get the aggregate vmaf score
> instead of just averaging the frame level scores.
>
>>
>>
>>>
>>> On Mon, Apr 16, 2018 at 3:24 PM, Ashok Kumar Mishra <
>>> as...@multicorewareinc.com> wrote:
>>>
>>>>
>>>>
>>>> On Mon, Apr 16, 2018 at 2:42 PM, Deepthi Nandakumar <
>>>> deepthipnandaku...@gmail.com> wrote:
>>>>
>>>>> Why are file reads required to compute vmaf? The recon and original
>>>>> yuv sources are available.
>>>>>
>>>>
>>>> File reads are required when you compute vmaf score of the complete
>>>> file, and it is not required for frame level vmaf score.
>>>>
>>>>>
>>>>> Why floating point reads?
>>>>>
>>>>
>>>> I believe there is no floating point reads, the vmaf score is floating
>>>> point. Correct me if I am wrong.
>>>>
>>>>
>>>>>
>>>>> On Thu, Apr 12, 2018 at 5:31 PM, Ashok Kumar Mishra <
>>>>> as...@multicorewareinc.com> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Apr 12, 2018 at 4:43 PM, <induma...@multicorewareinc.com>
>>>>>> wrote:
>>>>>>
>>>>>>> # HG changeset patch
>>>>>>> # User IndumathiR<induma...@multicorewareinc.com>
>>>>>>> # Date 1518528290 -19800
>>>>>>> #      Tue Feb 13 18:54:50 2018 +0530
>>>>>>> # Node ID 27e3b161cd8b59ad1cae67a96e11e3e0506d5017
>>>>>>> # Parent  04a337abd70de269cef7d9655365f3a3ebde02aa
>>>>>>> Add VMAF suppport to report per frame and aggregate VMAF score
>>>>>>>
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b doc/reST/api.rst
>>>>>>> --- a/doc/reST/api.rst  Thu Apr 12 15:10:59 2018 +0530
>>>>>>> +++ b/doc/reST/api.rst  Tue Feb 13 18:54:50 2018 +0530
>>>>>>> @@ -398,7 +398,30 @@
>>>>>>>          *     release library static allocations, reset configured
>>>>>>> CTU size */
>>>>>>>         void x265_cleanup(void);
>>>>>>>
>>>>>>> +VMAF (Video Multi-Method Assessment Fusion)
>>>>>>> +==========================================
>>>>>>>
>>>>>>> +If you set the ENABLE_LIBVMAF cmake option to ON, then x265 will
>>>>>>> report per frame
>>>>>>> +and aggregate VMAF score for the given input and dump the scores in
>>>>>>> csv file.
>>>>>>> +The user also need to specify the :option:`--recon` in command line
>>>>>>> to get the VMAF scores.
>>>>>>> +
>>>>>>> +    /* x265_calculate_vmafScore:
>>>>>>> +     *    returns VMAF score for the input video.
>>>>>>> +     *    This api must be called only after encoding was done. */
>>>>>>> +    double x265_calculate_vmafscore(x265_param*, x265_vmaf_data*);
>>>>>>> +
>>>>>>> +    /* x265_calculate_vmaf_framelevelscore:
>>>>>>> +     *    returns VMAF score for each frame in a given input video.
>>>>>>> */
>>>>>>> +    double x265_calculate_vmaf_framelevel
>>>>>>> score(x265_vmaf_framedata*);
>>>>>>> +
>>>>>>> +.. Note::
>>>>>>> +
>>>>>>> +    When setting ENABLE_LIBVMAF cmake option to ON, it is
>>>>>>> recommended to
>>>>>>> +    also set ENABLE_SHARED to OFF to prevent build problems.
>>>>>>> +    We only need the static library from these builds.
>>>>>>> +
>>>>>>> +    Binaries build with windows will not have VMAF support.
>>>>>>> +
>>>>>>>  Multi-library Interface
>>>>>>>  =======================
>>>>>>>
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/CMakeLists.txt
>>>>>>> --- a/source/CMakeLists.txt     Thu Apr 12 15:10:59 2018 +0530
>>>>>>> +++ b/source/CMakeLists.txt     Tue Feb 13 18:54:50 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 157)
>>>>>>> +set(X265_BUILD 158)
>>>>>>>  configure_file("${PROJECT_SOURCE_DIR}/x265.def.in"
>>>>>>>                 "${PROJECT_BINARY_DIR}/x265.def")
>>>>>>>  configure_file("${PROJECT_SOURCE_DIR}/x265_config.h.in"
>>>>>>> @@ -109,6 +109,11 @@
>>>>>>>      if(NO_ATOMICS)
>>>>>>>          add_definitions(-DNO_ATOMICS=1)
>>>>>>>      endif(NO_ATOMICS)
>>>>>>> +    find_library(VMAF vmaf)
>>>>>>> +    option(ENABLE_LIBVMAF "Enable VMAF" OFF)
>>>>>>> +    if(ENABLE_LIBVMAF)
>>>>>>> +        add_definitions(-DENABLE_LIBVMAF)
>>>>>>> +    endif()
>>>>>>>  endif(UNIX)
>>>>>>>
>>>>>>>  if(X64 AND NOT WIN32)
>>>>>>> @@ -536,6 +541,9 @@
>>>>>>>  if(EXTRA_LIB)
>>>>>>>      target_link_libraries(x265-static ${EXTRA_LIB})
>>>>>>>  endif()
>>>>>>> +if(ENABLE_LIBVMAF)
>>>>>>> +    target_link_libraries(x265-static ${VMAF})
>>>>>>> +endif()
>>>>>>>  install(TARGETS x265-static
>>>>>>>      LIBRARY DESTINATION ${LIB_INSTALL_DIR}
>>>>>>>      ARCHIVE DESTINATION ${LIB_INSTALL_DIR})
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/common/picyuv.h
>>>>>>> --- a/source/common/picyuv.h    Thu Apr 12 15:10:59 2018 +0530
>>>>>>> +++ b/source/common/picyuv.h    Tue Feb 13 18:54:50 2018 +0530
>>>>>>> @@ -72,6 +72,7 @@
>>>>>>>      pixel   m_maxChromaVLevel;
>>>>>>>      pixel   m_minChromaVLevel;
>>>>>>>      double  m_avgChromaVLevel;
>>>>>>> +    double  m_vmafScore;
>>>>>>>      x265_param *m_param;
>>>>>>>
>>>>>>>      PicYuv();
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/encoder/api.cpp
>>>>>>> --- a/source/encoder/api.cpp    Thu Apr 12 15:10:59 2018 +0530
>>>>>>> +++ b/source/encoder/api.cpp    Tue Feb 13 18:54:50 2018 +0530
>>>>>>> @@ -31,6 +31,10 @@
>>>>>>>  #include "nal.h"
>>>>>>>  #include "bitcost.h"
>>>>>>>
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +#include "libvmaf.h"
>>>>>>> +#endif
>>>>>>> +
>>>>>>>  /* multilib namespace reflectors */
>>>>>>>  #if LINKED_8BIT
>>>>>>>  namespace x265_8bit {
>>>>>>> @@ -302,13 +306,34 @@
>>>>>>>          encoder->fetchStats(outputStats, statsSizeBytes);
>>>>>>>      }
>>>>>>>  }
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +void x265_vmaf_encoder_log(x265_encoder* enc, int argc, char
>>>>>>> **argv, x265_param *param, x265_vmaf_data *vmafdata)
>>>>>>> +{
>>>>>>> +    if (enc)
>>>>>>> +    {
>>>>>>> +        Encoder *encoder = static_cast<Encoder*>(enc);
>>>>>>> +        x265_stats stats;
>>>>>>> +        stats.aggregateVmafScore = x265_calculate_vmafscore(param,
>>>>>>> vmafdata);
>>>>>>> +        if(vmafdata->reference_file)
>>>>>>> +            fclose(vmafdata->reference_file);
>>>>>>> +        if(vmafdata->distorted_file)
>>>>>>> +            fclose(vmafdata->distorted_file);
>>>>>>> +        if(vmafdata)
>>>>>>> +            x265_free(vmafdata);
>>>>>>> +        encoder->fetchStats(&stats, sizeof(stats));
>>>>>>> +        int padx = encoder->m_sps.conformanceWindow.rightOffset;
>>>>>>> +        int pady = encoder->m_sps.conformanceWindow.bottomOffset;
>>>>>>> +        x265_csvlog_encode(encoder->m_param, &stats, padx, pady,
>>>>>>> argc, argv);
>>>>>>> +    }
>>>>>>> +}
>>>>>>> +#endif
>>>>>>>
>>>>>>>  void x265_encoder_log(x265_encoder* enc, int argc, char **argv)
>>>>>>>  {
>>>>>>>      if (enc)
>>>>>>>      {
>>>>>>>          Encoder *encoder = static_cast<Encoder*>(enc);
>>>>>>> -        x265_stats stats;
>>>>>>> +        x265_stats stats;
>>>>>>>          encoder->fetchStats(&stats, sizeof(stats));
>>>>>>>          int padx = encoder->m_sps.conformanceWindow.rightOffset;
>>>>>>>          int pady = encoder->m_sps.conformanceWindow.bottomOffset;
>>>>>>> @@ -457,7 +482,13 @@
>>>>>>>      &x265_csvlog_frame,
>>>>>>>      &x265_csvlog_encode,
>>>>>>>      &x265_dither_image,
>>>>>>> -    &x265_set_analysis_data
>>>>>>> +    &x265_set_analysis_data,
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    &x265_calculate_vmafscore,
>>>>>>> +    &x265_calculate_vmaf_framelevelscore,
>>>>>>> +    &x265_vmaf_encoder_log
>>>>>>> +#endif
>>>>>>> +
>>>>>>>  };
>>>>>>>
>>>>>>>  typedef const x265_api* (*api_get_func)(int bitDepth);
>>>>>>> @@ -751,6 +782,9 @@
>>>>>>>                      /* detailed performance statistics */
>>>>>>>                      fprintf(csvfp, ", DecideWait (ms), Row0Wait
>>>>>>> (ms), Wall time (ms), Ref Wait Wall (ms), Total CTU time (ms),"
>>>>>>>                          "Stall Time (ms), Total frame time (ms),
>>>>>>> Avg WPP, Row Blocks");
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +                    fprintf(csvfp, ", VMAF Frame Score");
>>>>>>> +#endif
>>>>>>>                  }
>>>>>>>                  fprintf(csvfp, "\n");
>>>>>>>              }
>>>>>>> @@ -759,6 +793,9 @@
>>>>>>>                  fputs(summaryCSVHeader, csvfp);
>>>>>>>                  if (param->csvLogLevel >= 2 || param->maxCLL ||
>>>>>>> param->maxFALL)
>>>>>>>                      fputs("MaxCLL, MaxFALL,", csvfp);
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +                fputs(" Aggregate VMAF Score,", csvfp);
>>>>>>> +#endif
>>>>>>>                  fputs(" Version\n", csvfp);
>>>>>>>              }
>>>>>>>          }
>>>>>>> @@ -868,6 +905,9 @@
>>>>>>>
>>>>>>>                   frameStats->totalFrameTime);
>>>>>>>
>>>>>>>          fprintf(param->csvfpt, " %.3lf, %d", frameStats->avgWPP,
>>>>>>> frameStats->countRowBlocks);
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +        fprintf(param->csvfpt, ", %lf", frameStats->vmafFrameScore);
>>>>>>> +#endif
>>>>>>>      }
>>>>>>>      fprintf(param->csvfpt, "\n");
>>>>>>>      fflush(stderr);
>>>>>>> @@ -886,7 +926,11 @@
>>>>>>>              fputs(summaryCSVHeader, p->csvfpt);
>>>>>>>              if (p->csvLogLevel >= 2 || p->maxCLL || p->maxFALL)
>>>>>>>                  fputs("MaxCLL, MaxFALL,", p->csvfpt);
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +            fputs(" Aggregate VMAF score,", p->csvfpt);
>>>>>>> +#endif
>>>>>>>              fputs(" Version\n",p->csvfpt);
>>>>>>> +
>>>>>>>          }
>>>>>>>          // CLI arguments or other
>>>>>>>          if (argc)
>>>>>>> @@ -919,7 +963,6 @@
>>>>>>>          char buffer[200];
>>>>>>>          strftime(buffer, 128, "%c", timeinfo);
>>>>>>>          fprintf(p->csvfpt, ", %s, ", buffer);
>>>>>>> -
>>>>>>>          // elapsed time, fps, bitrate
>>>>>>>          fprintf(p->csvfpt, "%.2f, %.2f, %.2f,",
>>>>>>>              stats->elapsedEncodeTime, stats->encodedPictureCount /
>>>>>>> stats->elapsedEncodeTime, stats->bitrate);
>>>>>>> @@ -981,7 +1024,11 @@
>>>>>>>              fprintf(p->csvfpt, " -, -, -, -, -, -, -,");
>>>>>>>          if (p->csvLogLevel >= 2 || p->maxCLL || p->maxFALL)
>>>>>>>              fprintf(p->csvfpt, " %-6u, %-6u,", stats->maxCLL,
>>>>>>> stats->maxFALL);
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +        fprintf(p->csvfpt, " %lf,", stats->aggregateVmafScore);
>>>>>>> +#endif
>>>>>>>          fprintf(p->csvfpt, " %s\n", api->version_str);
>>>>>>> +
>>>>>>>      }
>>>>>>>  }
>>>>>>>
>>>>>>> @@ -1072,4 +1119,318 @@
>>>>>>>      }
>>>>>>>  }
>>>>>>>
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +/* Read y values of single frame for 8-bit input */
>>>>>>> +int read_image_byte(FILE *file, float *buf, int width, int height,
>>>>>>> int stride)
>>>>>>> +{
>>>>>>> +    char *byte_ptr = (char *)buf;
>>>>>>> +    unsigned char *tmp_buf = 0;
>>>>>>> +    int i, j;
>>>>>>> +    int ret = 1;
>>>>>>> +
>>>>>>> +    if (width <= 0 || height <= 0)
>>>>>>> +    {
>>>>>>> +        goto fail_or_end;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    if (!(tmp_buf = (unsigned char*)malloc(width)))
>>>>>>> +    {
>>>>>>> +        goto fail_or_end;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    for (i = 0; i < height; ++i)
>>>>>>> +    {
>>>>>>> +        float *row_ptr = (float *)byte_ptr;
>>>>>>> +
>>>>>>> +        if (fread(tmp_buf, 1, width, file) != (size_t)width)
>>>>>>> +        {
>>>>>>> +            goto fail_or_end;
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        for (j = 0; j < width; ++j)
>>>>>>> +        {
>>>>>>> +            row_ptr[j] = tmp_buf[j];
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        byte_ptr += stride;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    ret = 0;
>>>>>>> +
>>>>>>> +fail_or_end:
>>>>>>> +    free(tmp_buf);
>>>>>>> +    return ret;
>>>>>>> +}
>>>>>>> +/* Read y values of single frame for 10-bit input */
>>>>>>> +int read_image_word(FILE *file, float *buf, int width, int height,
>>>>>>> int stride)
>>>>>>> +{
>>>>>>> +    char *byte_ptr = (char *)buf;
>>>>>>> +    unsigned short *tmp_buf = 0;
>>>>>>> +    int i, j;
>>>>>>> +    int ret = 1;
>>>>>>> +
>>>>>>> +    if (width <= 0 || height <= 0)
>>>>>>> +    {
>>>>>>> +        goto fail_or_end;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    if (!(tmp_buf = (unsigned short*)malloc(width * 2))) // '*2' to
>>>>>>> accommodate words
>>>>>>> +    {
>>>>>>> +        goto fail_or_end;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    for (i = 0; i < height; ++i)
>>>>>>> +    {
>>>>>>> +        float *row_ptr = (float *)byte_ptr;
>>>>>>> +
>>>>>>> +        if (fread(tmp_buf, 2, width, file) != (size_t)width) // '2'
>>>>>>> for word
>>>>>>> +        {
>>>>>>> +            goto fail_or_end;
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        for (j = 0; j < width; ++j)
>>>>>>> +        {
>>>>>>> +            row_ptr[j] = tmp_buf[j] / 4.0; // '/4' to convert from
>>>>>>> 10 to 8-bit
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        byte_ptr += stride;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    ret = 0;
>>>>>>> +
>>>>>>> +fail_or_end:
>>>>>>> +    free(tmp_buf);
>>>>>>> +    return ret;
>>>>>>> +}
>>>>>>> +
>>>>>>> +int read_frame(float *reference_data, float *distorted_data, float
>>>>>>> *temp_data, int stride_byte, void *s)
>>>>>>> +{
>>>>>>> +    x265_vmaf_data *user_data = (x265_vmaf_data *)s;
>>>>>>> +    int ret;
>>>>>>> +
>>>>>>> +    // read reference y
>>>>>>> +    if (user_data->internalBitDepth == 8)
>>>>>>> +    {
>>>>>>> +        ret = read_image_byte(user_data->reference_file,
>>>>>>> reference_data, user_data->width, user_data->height, stride_byte);
>>>>>>> +    }
>>>>>>> +    else if (user_data->internalBitDepth == 10)
>>>>>>> +    {
>>>>>>> +        ret = read_image_word(user_data->reference_file,
>>>>>>> reference_data, user_data->width, user_data->height, stride_byte);
>>>>>>> +    }
>>>>>>> +    else
>>>>>>> +    {
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "Invalid bitdepth\n");
>>>>>>> +        return 1;
>>>>>>> +    }
>>>>>>> +    if (ret)
>>>>>>> +    {
>>>>>>> +        if (feof(user_data->reference_file))
>>>>>>> +        {
>>>>>>> +            ret = 2; // OK if end of file
>>>>>>> +        }
>>>>>>> +        return ret;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    // read distorted y
>>>>>>> +    if (user_data->internalBitDepth == 8)
>>>>>>> +    {
>>>>>>> +        ret = read_image_byte(user_data->distorted_file,
>>>>>>> distorted_data, user_data->width, user_data->height, stride_byte);
>>>>>>> +    }
>>>>>>> +    else if (user_data->internalBitDepth == 10)
>>>>>>> +    {
>>>>>>> +        ret = read_image_word(user_data->distorted_file,
>>>>>>> distorted_data, user_data->width, user_data->height, stride_byte);
>>>>>>> +    }
>>>>>>> +    else
>>>>>>> +    {
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "Invalid bitdepth\n");
>>>>>>> +        return 1;
>>>>>>> +    }
>>>>>>> +    if (ret)
>>>>>>> +    {
>>>>>>> +        if (feof(user_data->distorted_file))
>>>>>>> +        {
>>>>>>> +            ret = 2; // OK if end of file
>>>>>>> +        }
>>>>>>> +        return ret;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    // reference skip u and v
>>>>>>> +    if (user_data->internalBitDepth == 8)
>>>>>>> +    {
>>>>>>> +        if (fread(temp_data, 1, user_data->offset,
>>>>>>> user_data->reference_file) != (size_t)user_data->offset)
>>>>>>> +        {
>>>>>>> +            x265_log(NULL, X265_LOG_ERROR, "reference fread to skip
>>>>>>> u and v failed.\n");
>>>>>>> +            goto fail_or_end;
>>>>>>> +        }
>>>>>>> +    }
>>>>>>> +    else if (user_data->internalBitDepth == 10)
>>>>>>> +    {
>>>>>>> +        if (fread(temp_data, 2, user_data->offset,
>>>>>>> user_data->reference_file) != (size_t)user_data->offset)
>>>>>>> +        {
>>>>>>> +            x265_log(NULL, X265_LOG_ERROR, "reference fread to skip
>>>>>>> u and v failed.\n");
>>>>>>> +            goto fail_or_end;
>>>>>>> +        }
>>>>>>> +    }
>>>>>>> +    else
>>>>>>> +    {
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "Invalid format\n");
>>>>>>> +        goto fail_or_end;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    // distorted skip u and v
>>>>>>> +    if (user_data->internalBitDepth == 8)
>>>>>>> +    {
>>>>>>> +        if (fread(temp_data, 1, user_data->offset,
>>>>>>> user_data->distorted_file) != (size_t)user_data->offset)
>>>>>>> +        {
>>>>>>> +            x265_log(NULL, X265_LOG_ERROR, "distorted fread to skip
>>>>>>> u and v failed.\n");
>>>>>>> +            goto fail_or_end;
>>>>>>> +        }
>>>>>>> +    }
>>>>>>> +    else if (user_data->internalBitDepth == 10)
>>>>>>> +    {
>>>>>>> +        if (fread(temp_data, 2, user_data->offset,
>>>>>>> user_data->distorted_file) != (size_t)user_data->offset)
>>>>>>> +        {
>>>>>>> +            x265_log(NULL, X265_LOG_ERROR, "distorted fread to skip
>>>>>>> u and v failed.\n");
>>>>>>> +            goto fail_or_end;
>>>>>>> +        }
>>>>>>> +    }
>>>>>>> +    else
>>>>>>> +    {
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "Invalid format\n");
>>>>>>> +        goto fail_or_end;
>>>>>>> +    }
>>>>>>> +
>>>>>>> +
>>>>>>> +fail_or_end:
>>>>>>> +    return ret;
>>>>>>> +}
>>>>>>> +
>>>>>>> +double x265_calculate_vmafscore(x265_param *param, x265_vmaf_data
>>>>>>> *data)
>>>>>>> +{
>>>>>>> +    double score;
>>>>>>> +
>>>>>>> +    data->width = param->sourceWidth;
>>>>>>> +    data->height = param->sourceHeight;
>>>>>>> +    data->internalBitDepth = param->internalBitDepth;
>>>>>>> +
>>>>>>> +    if (param->internalCsp == X265_CSP_I420)
>>>>>>> +    {
>>>>>>> +        if ((param->sourceWidth * param->sourceHeight) % 2 != 0)
>>>>>>> +            x265_log(NULL, X265_LOG_ERROR, "Invalid file size\n");
>>>>>>> +        data->offset = param->sourceWidth * param->sourceHeight / 2;
>>>>>>> +    }
>>>>>>> +    else if (param->internalCsp == X265_CSP_I422)
>>>>>>> +        data->offset = param->sourceWidth * param->sourceHeight;
>>>>>>> +    else if (param->internalCsp == X265_CSP_I444)
>>>>>>> +        data->offset = param->sourceWidth * param->sourceHeight * 2;
>>>>>>> +    else
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "Invalid format\n");
>>>>>>> +
>>>>>>> +    compute_vmaf(&score, vcd->format, data->width, data->height,
>>>>>>> read_frame, data, vcd->model_path, vcd->log_path, vcd->log_fmt,
>>>>>>> vcd->disable_clip, vcd->disable_avx, vcd->enable_transform,
>>>>>>> vcd->phone_model, vcd->psnr, vcd->ssim, vcd->ms_ssim, vcd->pool);
>>>>>>> +
>>>>>>> +    return score;
>>>>>>> +}
>>>>>>> +
>>>>>>> +int read_frame_10bit(float *reference_data, float *distorted_data,
>>>>>>> float *temp_data, int stride, void *s)
>>>>>>> +{
>>>>>>> +    x265_vmaf_framedata *user_data = (x265_vmaf_framedata *)s;
>>>>>>> +
>>>>>>> +    PicYuv *reference_frame = (PicYuv *)user_data->reference_frame;
>>>>>>> +    PicYuv *distorted_frame = (PicYuv *)user_data->distorted_frame;
>>>>>>> +
>>>>>>> +    if(!user_data->frame_set) {
>>>>>>> +
>>>>>>> +        int reference_stride = reference_frame->m_stride;
>>>>>>> +        int distorted_stride = distorted_frame->m_stride;
>>>>>>> +
>>>>>>> +        const uint16_t *reference_ptr = (const uint16_t
>>>>>>> *)reference_frame->m_picOrg[0];
>>>>>>> +        const uint16_t *distorted_ptr = (const uint16_t
>>>>>>> *)distorted_frame->m_picOrg[0];
>>>>>>> +
>>>>>>> +        temp_data = reference_data;
>>>>>>> +
>>>>>>> +        int height = user_data->height;
>>>>>>> +        int width = user_data->width;
>>>>>>> +
>>>>>>> +        int i,j;
>>>>>>> +        for (i = 0; i < height; i++) {
>>>>>>> +            for ( j = 0; j < width; j++) {
>>>>>>> +                temp_data[j] = ((float)reference_ptr[j] / 4.0);
>>>>>>> +            }
>>>>>>> +            reference_ptr += reference_stride;
>>>>>>> +            temp_data += stride / sizeof(*temp_data);
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        temp_data = distorted_data;
>>>>>>> +        for (i = 0; i < height; i++) {
>>>>>>> +            for (j = 0; j < width; j++) {
>>>>>>> +                 temp_data[j] = ((float)distorted_ptr[j] / 4.0);
>>>>>>> +            }
>>>>>>> +            distorted_ptr += distorted_stride;
>>>>>>> +            temp_data += stride / sizeof(*temp_data);
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        user_data->frame_set = 1;
>>>>>>> +        return 0;
>>>>>>> +    }
>>>>>>> +    return 2;
>>>>>>> +}
>>>>>>> +
>>>>>>> +int read_frame_8bit(float *reference_data, float *distorted_data,
>>>>>>> float *temp_data, int stride, void *s)
>>>>>>> +{
>>>>>>> +    x265_vmaf_framedata *user_data = (x265_vmaf_framedata *)s;
>>>>>>> +
>>>>>>> +    PicYuv *reference_frame = (PicYuv *)user_data->reference_frame;
>>>>>>> +    PicYuv *distorted_frame = (PicYuv *)user_data->distorted_frame;
>>>>>>> +
>>>>>>> +    if(!user_data->frame_set) {
>>>>>>> +
>>>>>>> +        int reference_stride = reference_frame->m_stride;
>>>>>>> +        int distorted_stride = distorted_frame->m_stride;
>>>>>>> +
>>>>>>> +        const uint8_t *reference_ptr = (const uint8_t
>>>>>>> *)reference_frame->m_picOrg[0];
>>>>>>> +        const uint8_t *distorted_ptr = (const uint8_t
>>>>>>> *)distorted_frame->m_picOrg[0];
>>>>>>> +
>>>>>>> +        temp_data = reference_data;
>>>>>>> +
>>>>>>> +        int height = user_data->height;
>>>>>>> +        int width = user_data->width;
>>>>>>> +
>>>>>>> +        int i,j;
>>>>>>> +        for (i = 0; i < height; i++) {
>>>>>>> +            for ( j = 0; j < width; j++) {
>>>>>>> +                temp_data[j] = (float)reference_ptr[j];
>>>>>>> +            }
>>>>>>> +            reference_ptr += reference_stride;
>>>>>>> +            temp_data += stride / sizeof(*temp_data);
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        temp_data = distorted_data;
>>>>>>> +        for (i = 0; i < height; i++) {
>>>>>>> +            for (j = 0; j < width; j++) {
>>>>>>> +                 temp_data[j] = (float)distorted_ptr[j];
>>>>>>> +            }
>>>>>>> +            distorted_ptr += distorted_stride;
>>>>>>> +            temp_data += stride / sizeof(*temp_data);
>>>>>>> +        }
>>>>>>> +
>>>>>>> +        user_data->frame_set = 1;
>>>>>>> +        return 0;
>>>>>>> +    }
>>>>>>> +    return 2;
>>>>>>> +}
>>>>>>> +
>>>>>>> +double x265_calculate_vmaf_framelevelscore(x265_vmaf_framedata
>>>>>>> *vmafframedata)
>>>>>>> +{
>>>>>>> +    double score;
>>>>>>> +    int (*read_frame)(float *reference_data, float *distorted_data,
>>>>>>> float *temp_data,
>>>>>>> +                      int stride, void *s);
>>>>>>> +    if (vmafframedata->internalBitDepth == 8)
>>>>>>> +        read_frame = read_frame_8bit;
>>>>>>> +    else
>>>>>>> +        read_frame = read_frame_10bit;
>>>>>>> +    compute_vmaf(&score, vcd->format, vmafframedata->width,
>>>>>>> vmafframedata->height, read_frame, vmafframedata, vcd->model_path,
>>>>>>> vcd->log_path, vcd->log_fmt, vcd->disable_clip, vcd->disable_avx,
>>>>>>> vcd->enable_transform, vcd->phone_model, vcd->psnr, vcd->ssim,
>>>>>>> vcd->ms_ssim, vcd->pool);
>>>>>>> +
>>>>>>> +    return score;
>>>>>>> +}
>>>>>>> +#endif
>>>>>>>  } /* end namespace or extern "C" */
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/encoder/encoder.cpp
>>>>>>> --- a/source/encoder/encoder.cpp        Thu Apr 12 15:10:59 2018
>>>>>>> +0530
>>>>>>> +++ b/source/encoder/encoder.cpp        Tue Feb 13 18:54:50 2018
>>>>>>> +0530
>>>>>>> @@ -2127,6 +2127,9 @@
>>>>>>>  #define ELAPSED_MSEC(start, end) (((double)(end) - (start)) / 1000)
>>>>>>>          if (m_param->csvLogLevel >= 2)
>>>>>>>          {
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +            frameStats->vmafFrameScore =
>>>>>>> curFrame->m_fencPic->m_vmafScore;
>>>>>>> +#endif
>>>>>>>              frameStats->decideWaitTime = ELAPSED_MSEC(0,
>>>>>>> curEncoder->m_slicetypeWaitTime);
>>>>>>>              frameStats->row0WaitTime =
>>>>>>> ELAPSED_MSEC(curEncoder->m_startCompressTime,
>>>>>>> curEncoder->m_row0WaitTime);
>>>>>>>              frameStats->wallTime = 
>>>>>>> ELAPSED_MSEC(curEncoder->m_row0WaitTime,
>>>>>>> curEncoder->m_endCompressTime);
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/encoder/frameencoder.cpp
>>>>>>> --- a/source/encoder/frameencoder.cpp   Thu Apr 12 15:10:59 2018
>>>>>>> +0530
>>>>>>> +++ b/source/encoder/frameencoder.cpp   Tue Feb 13 18:54:50 2018
>>>>>>> +0530
>>>>>>> @@ -864,6 +864,9 @@
>>>>>>>                  m_frameFilter.processRow(i - m_filterRowDelay);
>>>>>>>          }
>>>>>>>      }
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    vmafFrameLevelScore();
>>>>>>> +#endif
>>>>>>>
>>>>>>>      if (m_param->maxSlices > 1)
>>>>>>>      {
>>>>>>> @@ -932,7 +935,7 @@
>>>>>>>                  updateChecksum(reconPic->m_picOrg[1],
>>>>>>> m_checksum[1], height, width, stride, 0, cuHeight);
>>>>>>>                  updateChecksum(reconPic->m_picOrg[2],
>>>>>>> m_checksum[2], height, width, stride, 0, cuHeight);
>>>>>>>              }
>>>>>>> -        }
>>>>>>> +        }
>>>>>>>      } // end of (m_param->maxSlices > 1)
>>>>>>>
>>>>>>>      if (m_param->rc.bStatWrite)
>>>>>>> @@ -1189,7 +1192,7 @@
>>>>>>>          m_cuStats.accumulate(m_tld[i].analysis.m_stats[m_jpId],
>>>>>>> *m_param);
>>>>>>>  #endif
>>>>>>>
>>>>>>> -    m_endFrameTime = x265_mdate();
>>>>>>> +    m_endFrameTime = x265_mdate();
>>>>>>>  }
>>>>>>>
>>>>>>>  void FrameEncoder::encodeSlice(uint32_t sliceAddr)
>>>>>>> @@ -2058,11 +2061,36 @@
>>>>>>>          m_nr->nrOffsetDenoise[cat][0] = 0;
>>>>>>>      }
>>>>>>>  }
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +void FrameEncoder::vmafFrameLevelScore()
>>>>>>> +{
>>>>>>> +    PicYuv *fenc = m_frame->m_fencPic;
>>>>>>> +    PicYuv *recon = m_frame->m_reconPic;
>>>>>>> +
>>>>>>> +    x265_vmaf_framedata *vmafframedata =
>>>>>>> (x265_vmaf_framedata*)x265_malloc(sizeof(x265_vmaf_framedata));
>>>>>>> +    if (!vmafframedata)
>>>>>>> +    {
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "vmaf frame data alloc
>>>>>>> failed\n");
>>>>>>> +    }
>>>>>>> +
>>>>>>> +    vmafframedata->height = fenc->m_picHeight;
>>>>>>> +    vmafframedata->width = fenc->m_picWidth;
>>>>>>> +    vmafframedata->frame_set = 0;
>>>>>>> +    vmafframedata->internalBitDepth = m_param->internalBitDepth;
>>>>>>> +    vmafframedata->reference_frame = fenc;
>>>>>>> +    vmafframedata->distorted_frame = recon;
>>>>>>> +
>>>>>>> +    fenc->m_vmafScore = x265_calculate_vmaf_framelevel
>>>>>>> score(vmafframedata);
>>>>>>> +
>>>>>>> +    if (vmafframedata)
>>>>>>> +    x265_free(vmafframedata);
>>>>>>> +}
>>>>>>> +#endif
>>>>>>>
>>>>>>>  Frame *FrameEncoder::getEncodedPicture(NALList& output)
>>>>>>>  {
>>>>>>>      if (m_frame)
>>>>>>> -    {
>>>>>>> +    {
>>>>>>>          /* block here until worker thread completes */
>>>>>>>          m_done.wait();
>>>>>>>
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/encoder/frameencoder.h
>>>>>>> --- a/source/encoder/frameencoder.h     Thu Apr 12 15:10:59 2018
>>>>>>> +0530
>>>>>>> +++ b/source/encoder/frameencoder.h     Tue Feb 13 18:54:50 2018
>>>>>>> +0530
>>>>>>> @@ -240,6 +240,9 @@
>>>>>>>      void enqueueRowFilter(int row)  { WaveFront::enqueueRow(row * 2
>>>>>>> + 1); }
>>>>>>>      void enableRowEncoder(int row)  { WaveFront::enableRow(row * 2
>>>>>>> + 0); }
>>>>>>>      void enableRowFilter(int row)   { WaveFront::enableRow(row * 2
>>>>>>> + 1); }
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    void vmafFrameLevelScore();
>>>>>>> +#endif
>>>>>>>  };
>>>>>>>  }
>>>>>>>
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/x265.cpp
>>>>>>> --- a/source/x265.cpp   Thu Apr 12 15:10:59 2018 +0530
>>>>>>> +++ b/source/x265.cpp   Tue Feb 13 18:54:50 2018 +0530
>>>>>>> @@ -75,6 +75,7 @@
>>>>>>>      const char* reconPlayCmd;
>>>>>>>      const x265_api* api;
>>>>>>>      x265_param* param;
>>>>>>> +    x265_vmaf_data* vmafData;
>>>>>>>      bool bProgress;
>>>>>>>      bool bForceY4m;
>>>>>>>      bool bDither;
>>>>>>> @@ -96,6 +97,7 @@
>>>>>>>          reconPlayCmd = NULL;
>>>>>>>          api = NULL;
>>>>>>>          param = NULL;
>>>>>>> +        vmafData = NULL;
>>>>>>>          framesToBeEncoded = seek = 0;
>>>>>>>          totalbytes = 0;
>>>>>>>          bProgress = true;
>>>>>>> @@ -216,6 +218,14 @@
>>>>>>>          x265_log(NULL, X265_LOG_ERROR, "param alloc failed\n");
>>>>>>>          return true;
>>>>>>>      }
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    vmafData = (x265_vmaf_data*)x265_malloc(s
>>>>>>> izeof(x265_vmaf_data));
>>>>>>> +    if(!vmafData)
>>>>>>> +    {
>>>>>>> +        x265_log(NULL, X265_LOG_ERROR, "vmaf data alloc failed\n");
>>>>>>> +        return true;
>>>>>>> +    }
>>>>>>> +#endif
>>>>>>>
>>>>>>>      if (api->param_default_preset(param, preset, tune) < 0)
>>>>>>>      {
>>>>>>> @@ -363,6 +373,7 @@
>>>>>>>      info.frameCount = 0;
>>>>>>>      getParamAspectRatio(param, info.sarWidth, info.sarHeight);
>>>>>>>
>>>>>>> +
>>>>>>>      this->input = InputFile::open(info, this->bForceY4m);
>>>>>>>      if (!this->input || this->input->isFail())
>>>>>>>      {
>>>>>>> @@ -439,7 +450,30 @@
>>>>>>>                      param->sourceWidth, param->sourceHeight,
>>>>>>> param->fpsNum, param->fpsDenom,
>>>>>>>                      x265_source_csp_names[param->internalCsp]);
>>>>>>>      }
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    if (!reconfn)
>>>>>>> +    {
>>>>>>> +        x265_log(param, X265_LOG_ERROR, "recon file must be
>>>>>>> specified to get VMAF score, try --help for help\n");
>>>>>>> +        return true;
>>>>>>> +    }
>>>>>>> +    const char *str = strrchr(info.filename, '.');
>>>>>>>
>>>>>>> +    if (!strcmp(str, ".y4m"))
>>>>>>> +    {
>>>>>>> +        x265_log(param, X265_LOG_ERROR, "VMAF supports YUV file
>>>>>>> format only.\n");
>>>>>>> +        return true;
>>>>>>> +    }
>>>>>>> +    if(param->internalCsp == X265_CSP_I420 || param->internalCsp ==
>>>>>>> X265_CSP_I422 || param->internalCsp == X265_CSP_I444)
>>>>>>> +    {
>>>>>>> +        vmafData->reference_file = x265_fopen(inputfn, "rb");
>>>>>>> +        vmafData->distorted_file = x265_fopen(reconfn, "rb");
>>>>>>> +    }
>>>>>>> +    else
>>>>>>> +    {
>>>>>>> +        x265_log(param, X265_LOG_ERROR, "VMAF will support only
>>>>>>> yuv420p, yu422p, yu444p, yuv420p10le, yuv422p10le, yuv444p10le 
>>>>>>> formats.\n");
>>>>>>> +        return true;
>>>>>>> +    }
>>>>>>> +#endif
>>>>>>>      this->output = OutputFile::open(outputfn, info);
>>>>>>>      if (this->output->isFail())
>>>>>>>      {
>>>>>>> @@ -555,7 +589,9 @@
>>>>>>>
>>>>>>>      x265_param* param = cliopt.param;
>>>>>>>      const x265_api* api = cliopt.api;
>>>>>>> -
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    x265_vmaf_data* vmafdata = cliopt.vmafData;
>>>>>>> +#endif
>>>>>>>      /* This allows muxers to modify bitstream format */
>>>>>>>      cliopt.output->setParam(param);
>>>>>>>
>>>>>>> @@ -712,7 +748,7 @@
>>>>>>>          if (!numEncoded)
>>>>>>>              break;
>>>>>>>      }
>>>>>>> -
>>>>>>> +
>>>>>>>      /* clear progress report */
>>>>>>>      if (cliopt.bProgress)
>>>>>>>          fprintf(stderr, "%*s\r", 80, " ");
>>>>>>> @@ -723,7 +759,11 @@
>>>>>>>
>>>>>>>      api->encoder_get_stats(encoder, &stats, sizeof(stats));
>>>>>>>      if (param->csvfn && !b_ctrl_c)
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +        api->vmaf_encoder_log(encoder, argc, argv, param, vmafdata);
>>>>>>> +#else
>>>>>>>          api->encoder_log(encoder, argc, argv);
>>>>>>> +#endif
>>>>>>>      api->encoder_close(encoder);
>>>>>>>
>>>>>>>      int64_t second_largest_pts = 0;
>>>>>>> diff -r 04a337abd70d -r 27e3b161cd8b source/x265.h
>>>>>>> --- a/source/x265.h     Thu Apr 12 15:10:59 2018 +0530
>>>>>>> +++ b/source/x265.h     Tue Feb 13 18:54:50 2018 +0530
>>>>>>> @@ -209,6 +209,7 @@
>>>>>>>      x265_cu_stats    cuStats;
>>>>>>>      x265_pu_stats    puStats;
>>>>>>>      double           totalFrameTime;
>>>>>>> +    double           vmafFrameScore;
>>>>>>>  } x265_frame_stats;
>>>>>>>
>>>>>>>  typedef struct x265_ctu_info_t
>>>>>>> @@ -536,6 +537,7 @@
>>>>>>>      double                elapsedEncodeTime;    /* wall time since
>>>>>>> encoder was opened */
>>>>>>>      double                elapsedVideoTime;     /* encoded picture
>>>>>>> count / frame rate */
>>>>>>>      double                bitrate;              /* accBits /
>>>>>>> elapsed video time */
>>>>>>> +    double                aggregateVmafScore;   /* aggregate VMAF
>>>>>>> score for input video*/
>>>>>>>      uint64_t              accBits;              /* total bits
>>>>>>> output thus far */
>>>>>>>      uint32_t              encodedPictureCount;  /* number of output
>>>>>>> pictures thus far */
>>>>>>>      uint32_t              totalWPFrames;        /* number of
>>>>>>> uni-directional weighted frames used */
>>>>>>> @@ -572,6 +574,47 @@
>>>>>>>      float bitrateFactor;
>>>>>>>  } x265_zone;
>>>>>>>
>>>>>>> +/* data to calculate aggregate VMAF score */
>>>>>>> +typedef struct x265_vmaf_data
>>>>>>> +{
>>>>>>> +    int width;
>>>>>>> +    int height;
>>>>>>> +    size_t offset;
>>>>>>> +    int internalBitDepth;
>>>>>>> +    FILE *reference_file; /* FILE pointer for input file */
>>>>>>> +    FILE *distorted_file; /* FILE pointer for recon file generated*/
>>>>>>> +}x265_vmaf_data;
>>>>>>> +
>>>>>>> +/* data to calculate frame level VMAF score */
>>>>>>> +typedef struct x265_vmaf_framedata
>>>>>>> +{
>>>>>>> +    int width;
>>>>>>> +    int height;
>>>>>>> +    int frame_set;
>>>>>>> +    int internalBitDepth;
>>>>>>> +    void *reference_frame; /* points to fenc of particular frame */
>>>>>>> +    void *distorted_frame; /* points to recon of particular frame */
>>>>>>> +}x265_vmaf_framedata;
>>>>>>> +
>>>>>>> +/* common data needed to calculate both frame level and video level
>>>>>>> VMAF scores */
>>>>>>> +typedef struct x265_vmaf_commondata
>>>>>>> +{
>>>>>>> +    char *format;
>>>>>>> +    char *model_path;
>>>>>>> +    char *log_path;
>>>>>>> +    char *log_fmt;
>>>>>>> +    int disable_clip;
>>>>>>> +    int disable_avx;
>>>>>>> +    int enable_transform;
>>>>>>> +    int phone_model;
>>>>>>> +    int psnr;
>>>>>>> +    int ssim;
>>>>>>> +    int ms_ssim;
>>>>>>> +    char *pool;
>>>>>>> +}x265_vmaf_commondata;
>>>>>>> +
>>>>>>> +static const x265_vmaf_commondata vcd[] = {NULL, (char
>>>>>>> *)"/usr/local/share/model/vmaf_v0.6.1.pkl", NULL, NULL, 0, 0, 0, 0,
>>>>>>> 0, 0, 0, NULL};
>>>>>>> +
>>>>>>>  /* x265 input parameters
>>>>>>>   *
>>>>>>>   * For version safety you may use x265_param_alloc/free() to manage
>>>>>>> the
>>>>>>> @@ -1811,6 +1854,22 @@
>>>>>>>  /* In-place downshift from a bit-depth greater than 8 to a
>>>>>>> bit-depth of 8, using
>>>>>>>   * the residual bits to dither each row. */
>>>>>>>  void x265_dither_image(x265_picture *, int picWidth, int picHeight,
>>>>>>> int16_t *errorBuf, int bitDepth);
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +/* x265_calculate_vmafScore:
>>>>>>> + *    returns VMAF score for the input video.
>>>>>>> + *    This api must be called only after encoding was done. */
>>>>>>> +double x265_calculate_vmafscore(x265_param*, x265_vmaf_data*);
>>>>>>> +
>>>>>>> +/* x265_calculate_vmaf_framelevelscore:
>>>>>>> + *    returns VMAF score for each frame in a given input video. */
>>>>>>> +double x265_calculate_vmaf_framelevelscore(x265_vmaf_framedata*);
>>>>>>> +/* x265_vmaf_encoder_log:
>>>>>>> + *       write a line to the configured CSV file.  If a CSV
>>>>>>> filename was not
>>>>>>> + *       configured, or file open failed, this function will
>>>>>>> perform no write.
>>>>>>> + *       This api will be called only when ENABLE_LIBVMAF cmake
>>>>>>> option is set */
>>>>>>> +void x265_vmaf_encoder_log(x265_encoder *encoder, int argc, char
>>>>>>> **argv, x265_param*, x265_vmaf_data*);
>>>>>>> +
>>>>>>> +#endif
>>>>>>>
>>>>>>>  #define X265_MAJOR_VERSION 1
>>>>>>>
>>>>>>> @@ -1864,6 +1923,11 @@
>>>>>>>      void          (*csvlog_encode)(const x265_param*, const
>>>>>>> x265_stats *, int, int, int, char**);
>>>>>>>      void          (*dither_image)(x265_picture*, int, int,
>>>>>>> int16_t*, int);
>>>>>>>      int           (*set_analysis_data)(x265_encoder *encoder,
>>>>>>> x265_analysis_data *analysis_data, int poc, uint32_t cuBytes);
>>>>>>> +#if ENABLE_LIBVMAF
>>>>>>> +    double        (*calculate_vmafscore)(x265_param *,
>>>>>>> x265_vmaf_data *);
>>>>>>> +    double        (*calculate_vmaf_framelevelscore)(x265_vmaf_framedata
>>>>>>> *);
>>>>>>> +    void          (*vmaf_encoder_log)(x265_encoder*, int, char**,
>>>>>>> x265_param *, x265_vmaf_data *);
>>>>>>> +#endif
>>>>>>>      /* add new pointers to the end, or increment X265_MAJOR_VERSION
>>>>>>> */
>>>>>>>  } x265_api;
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> x265-devel mailing list
>>>>>>> x265-devel@videolan.org
>>>>>>> https://mailman.videolan.org/listinfo/x265-devel
>>>>>>>
>>>>>>>
>>>>>> Thanks. Pushed to default.
>>>>>>
>>>>>> _______________________________________________
>>>>>> x265-devel mailing list
>>>>>> x265-devel@videolan.org
>>>>>> https://mailman.videolan.org/listinfo/x265-devel
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Deepthi
>>>>>
>>>>> _______________________________________________
>>>>> x265-devel mailing list
>>>>> x265-devel@videolan.org
>>>>> https://mailman.videolan.org/listinfo/x265-devel
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> x265-devel mailing list
>>>> x265-devel@videolan.org
>>>> https://mailman.videolan.org/listinfo/x265-devel
>>>>
>>>>
>>>
>>>
>>> --
>>> Deepthi
>>>
>>> _______________________________________________
>>> x265-devel mailing list
>>> x265-devel@videolan.org
>>> https://mailman.videolan.org/listinfo/x265-devel
>>>
>>>
>>
>> _______________________________________________
>> x265-devel mailing list
>> x265-devel@videolan.org
>> https://mailman.videolan.org/listinfo/x265-devel
>>
>>
>
> _______________________________________________
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> x265-devel@videolan.org
> https://mailman.videolan.org/listinfo/x265-devel
>
>


-- 
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