/***********************************************************************
* hb_work_encx265_init
***********************************************************************
*
**********************************************************************/
int encx265Init(hb_work_object_t *w, hb_job_t *job)
{
hb_work_private_t *pv = calloc(1, sizeof(hb_work_private_t));
int ret, depth;
hb_rational_t vrate;
x265_nal *nal;
uint32_t nnal;
const char * const *profile_names;
pv->next_chapter_pts = AV_NOPTS_VALUE;
pv->delayed_chapters = hb_list_init();
pv->job = job;
w->private_data = pv;
depth = hb_video_encoder_get_depth(job->vcodec);
profile_names = hb_video_encoder_get_profiles(job->vcodec);
pv->api = x265_api_get(depth);
if (pv->api == NULL)
{
hb_error("encx265: x265_api_get failed, bit depth %d.", depth);
goto fail;
}
x265_param *param = pv->param = pv->api->param_alloc();
if (pv->api->param_default_preset(param, job->encoder_preset,
job->encoder_tune) < 0)
{
hb_error("encx265: x265_param_default_preset failed. Preset (%s) Tune (%s)", job->encoder_preset, job->encoder_tune);
goto fail;
}
/* If the PSNR or SSIM tunes are in use, enable the relevant metric */
param->bEnablePsnr = param->bEnableSsim = 0;
if (job->encoder_tune != NULL && *job->encoder_tune)
{
char *tmp = strdup(job->encoder_tune);
char *tok = strtok(tmp, ",./-+");
do
{
if (!strncasecmp(tok, "psnr", 4))
{
param->bEnablePsnr = 1;
break;
}
if (!strncasecmp(tok, "ssim", 4))
{
param->bEnableSsim = 1;
break;
}
}
while ((tok = strtok(NULL, ",./-+")) != NULL);
free(tmp);
}
/*
* Some HandBrake-specific defaults; users can override them
* using the encoder_options string.
*/
hb_reduce(&vrate.num, &vrate.den, job->vrate.num, job->vrate.den);
param->fpsNum = vrate.num;
param->fpsDenom = vrate.den;
param->keyframeMin = (double)job->orig_vrate.num / job->orig_vrate.den +
0.5;
param->keyframeMax = param->keyframeMin * 10;
/*
* Video Signal Type (color description only).
*
* Use x265_param_parse (let x265 determine which bEnable
* flags, if any, should be set in the x265_param struct).
*/
char colorprim[11], transfer[11], colormatrix[11];
switch (job->color_matrix_code)
{
case 1: // ITU BT.601 DVD or SD TV content (NTSC)
strcpy(colorprim, "smpte170m");
strcpy(transfer, "bt709");
strcpy(colormatrix, "smpte170m");
break;
case 2: // ITU BT.601 DVD or SD TV content (PAL)
strcpy(colorprim, "bt470bg");
strcpy(transfer, "bt709");
strcpy(colormatrix, "smpte170m");
break;
case 3: // ITU BT.709 HD content
strcpy(colorprim, "bt709");
strcpy(transfer, "bt709");
strcpy(colormatrix, "bt709");
break;
case 4: // custom
snprintf(colorprim, sizeof(colorprim), "%d", job->color_prim);
snprintf(transfer, sizeof(transfer), "%d", job->color_transfer);
snprintf(colormatrix, sizeof(colormatrix), "%d", job->color_matrix);
break;
default: // detected during scan
snprintf(colorprim, sizeof(colorprim), "%d", job->title->color_prim);
snprintf(transfer, sizeof(transfer), "%d", job->title->color_transfer);
snprintf(colormatrix, sizeof(colormatrix), "%d", job->title->color_matrix);
break;
}
if (param_parse(pv, param, "colorprim", colorprim) ||
param_parse(pv, param, "transfer", transfer) ||
param_parse(pv, param, "colormatrix", colormatrix))
{
goto fail;
}
/* iterate through x265_opts and parse the options */
hb_dict_t *x265_opts;
x265_opts = hb_encopts_to_dict(job->encoder_options, job->vcodec);
hb_dict_iter_t iter;
for (iter = hb_dict_iter_init(x265_opts);
iter != HB_DICT_ITER_DONE;
iter = hb_dict_iter_next(x265_opts, iter))
{
const char *key = hb_dict_iter_key(iter);
hb_value_t *value = hb_dict_iter_value(iter);
char *str = hb_value_get_string_xform(value);
// here's where the strings are passed to libx265 for parsing
// unknown options or bad values are non-fatal, see encx264.c
param_parse(pv, param, key, str);
free(str);
}
hb_dict_free(&x265_opts);
/*
* Reload colorimetry settings in case custom
* values were set in the encoder_options string.
*/
job->color_matrix_code = 4;
job->color_prim = param->vui.colorPrimaries;
job->color_transfer = param->vui.transferCharacteristics;
job->color_matrix = param->vui.matrixCoeffs;
/*
* Settings which can't be overriden in the encodeer_options string
* (muxer-specific settings, resolution, ratecontrol, etc.).
*/
param->bRepeatHeaders = 0;
param->sourceWidth = job->width;
param->sourceHeight = job->height;
/*
* Let x265 determnine whether to use an aspect ratio
* index vs. the extended SAR index + SAR width/height.
*/
char sar[22];
snprintf(sar, sizeof(sar), "%d:%d", job->par.num, job->par.den);
if (param_parse(pv, param, "sar", sar))
{
goto fail;
}
if (job->vquality > 0)
{
param->rc.rateControlMode = X265_RC_CRF;
param->rc.rfConstant = job->vquality;
}
else
{
param->rc.rateControlMode = X265_RC_ABR;
param->rc.bitrate = job->vbitrate;
if (job->pass_id == HB_PASS_ENCODE_1ST ||
job->pass_id == HB_PASS_ENCODE_2ND)
{
char stats_file[1024] = "";
char pass[2];
snprintf(pass, sizeof(pass), "%d", job->pass_id);
hb_get_tempory_filename(job->h, stats_file, "x265.log");
if (param_parse(pv, param, "stats", stats_file) ||
param_parse(pv, param, "pass", pass))
{
goto fail;
}
if (job->pass_id == HB_PASS_ENCODE_1ST && job->fastfirstpass == 0 &&
param_parse(pv, param, "slow-firstpass", "1"))
{
goto fail;
}
}
}
/* statsfile (but not 2-pass) */
memset(pv->csvfn, 0, sizeof(pv->csvfn));
if (param->logLevel >= X265_LOG_DEBUG)
{
if (param->csvfn == NULL)
{
hb_get_tempory_filename(job->h, pv->csvfn, "x265.csv");
param->csvfn = pv->csvfn;
}
else
{
strncpy(pv->csvfn, param->csvfn, sizeof(pv->csvfn));
}
}
/* Apply profile and level settings last. */
if (job->encoder_profile != NULL &&
strcasecmp(job->encoder_profile, profile_names[0]) != 0 &&
pv->api->param_apply_profile(param, job->encoder_profile) < 0)
{
goto fail;
}
/* we should now know whether B-frames are enabled */
job->areBframes = (param->bframes > 0) + (param->bframes > 0 &&
param->bBPyramid > 0);
/* Reset global variables before opening a new encoder */
pv->api->cleanup();
pv->x265 = pv->api->encoder_open(param);
if (pv->x265 == NULL)
{
hb_error("encx265: x265_encoder_open failed.");
goto fail;
}
/*
* x265's output (headers and bitstream) are in Annex B format.
*
* Write the header as is, and let the muxer reformat
* the extradata and output bitstream properly for us.
*/
ret = pv->api->encoder_headers(pv->x265, &nal, &nnal);
if (ret < 0)
{
hb_error("encx265: x265_encoder_headers failed (%d)", ret);
goto fail;
}
if (ret > sizeof(w->config->h265.headers))
{
hb_error("encx265: bitstream headers too large (%d)", ret);
goto fail;
}
memcpy(w->config->h265.headers, nal->payload, ret);
w->config->h265.headers_length = ret;
return 0;
fail:
w->private_data = NULL;
free(pv);
return 1;
}
int hb_validate_filter_settings(int filter_id, const hb_dict_t * settings)
{
hb_filter_object_t * filter;
hb_dict_t * settings_template;
hb_dict_iter_t iter;
if (settings == NULL)
return 0;
// Verify that all keys in settings are in the filter settings template
filter = hb_filter_get(filter_id);
if (filter == NULL)
{
hb_log("hb_validate_filter_settings: Unrecognized filter (%d).\n",
filter_id);
return 1;
}
if (filter->settings_template == NULL)
{
// filter has no template to verify settings against
return 0;
}
settings_template = hb_parse_filter_settings(filter->settings_template);
if (settings_template == NULL)
{
hb_log("hb_validate_filter_settings: invalid template!");
return 0;
}
for (iter = hb_dict_iter_init(settings);
iter != HB_DICT_ITER_DONE;
iter = hb_dict_iter_next(settings, iter))
{
const char * key;
hb_value_t * val;
key = hb_dict_iter_key(iter);
// Check if key found in settings is also found in the template
val = hb_dict_get(settings_template, key);
if (val == NULL)
{
// Key is missing from template, indicate invalid settings
hb_log("Invalid filter key (%s) for filter %s",
key, filter->name);
return 1;
}
// If a string value is found, and it is non-empty,
// it is a regex pattern for allowed values.
const char * regex_pattern = hb_value_get_string(val);
if (regex_pattern != NULL && regex_pattern[0] != 0)
{
char * param;
param = hb_value_get_string_xform(hb_dict_get(settings, key));
if (hb_validate_param_string(regex_pattern, param) != 0)
{
hb_log("Invalid filter value (%s) for key %s filter %s",
param, key, filter->name);
free(param);
return 1;
}
free(param);
}
}
hb_value_free(&settings_template);
return 0;
}
