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/* cropscale.c
Copyright (c) 2003-2015 HandBrake Team
This file is part of the HandBrake source code
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
#include "handbrake/common.h"
#include "handbrake/avfilter_priv.h"
#if HB_PROJECT_FEATURE_QSV && (defined( _WIN32 ) || defined( __MINGW32__ ))
#include "handbrake/qsv_common.h"
#include "libavutil/hwcontext_qsv.h"
#include "libavutil/hwcontext.h"
#endif
static int crop_scale_init(hb_filter_object_t * filter,
hb_filter_init_t * init);
static hb_filter_info_t * crop_scale_info( hb_filter_object_t * filter );
static const char crop_scale_template[] =
"width=^"HB_INT_REG"$:height=^"HB_INT_REG"$:"
"crop-top=^"HB_INT_REG"$:crop-bottom=^"HB_INT_REG"$:"
"crop-left=^"HB_INT_REG"$:crop-right=^"HB_INT_REG"$";
hb_filter_object_t hb_filter_crop_scale =
{
.id = HB_FILTER_CROP_SCALE,
.enforce_order = 1,
.skip = 1,
.name = "Crop and Scale",
.settings = NULL,
.init = crop_scale_init,
.work = hb_avfilter_null_work,
.close = hb_avfilter_alias_close,
.info = crop_scale_info,
.settings_template = crop_scale_template,
};
/* CropScale Settings
* mode:parity
*
* width - scale width
* height - scale height
* crop-top - top crop margin
* crop-bottom - bottom crop margin
* crop-left - left crop margin
* crop-right - right crop margin
*
*/
static int crop_scale_init(hb_filter_object_t * filter, hb_filter_init_t * init)
{
hb_filter_private_t * pv = NULL;
pv = calloc(1, sizeof(struct hb_filter_private_s));
filter->private_data = pv;
if (pv == NULL)
{
return 1;
}
pv->input = *init;
hb_dict_t * settings = filter->settings;
hb_value_array_t * avfilters = hb_value_array_init();
int width, height, top, bottom, left, right;
const char * matrix;
// Convert crop settings to 'crop' avfilter
hb_dict_extract_int(&top, settings, "crop-top");
hb_dict_extract_int(&bottom, settings, "crop-bottom");
hb_dict_extract_int(&left, settings, "crop-left");
hb_dict_extract_int(&right, settings, "crop-right");
if (top > 0 || bottom > 0 || left > 0 || right > 0)
{
hb_dict_t * avfilter = hb_dict_init();
hb_dict_t * avsettings = hb_dict_init();
hb_dict_set_int(avsettings, "x", left);
hb_dict_set_int(avsettings, "y", top);
hb_dict_set_int(avsettings, "w", init->geometry.width - left - right);
hb_dict_set_int(avsettings, "h", init->geometry.height - top - bottom);
hb_dict_set(avfilter, "crop", avsettings);
hb_value_array_append(avfilters, avfilter);
}
// Convert scale settings to 'scale' avfilter
hb_dict_extract_int(&width, settings, "width");
hb_dict_extract_int(&height, settings, "height");
hb_dict_t * avfilter = hb_dict_init();
hb_dict_t * avsettings = hb_dict_init();
#if HB_PROJECT_FEATURE_QSV && (defined( _WIN32 ) || defined( __MINGW32__ ))
if (hb_qsv_hw_filters_are_enabled(init->job))
{
hb_dict_set_int(avsettings, "w", width);
hb_dict_set_int(avsettings, "h", height);
hb_dict_set(avfilter, "scale_qsv", avsettings);
int result = hb_create_ffmpeg_pool(width, height, AV_PIX_FMT_NV12, HB_QSV_POOL_SURFACE_SIZE, 0, &init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->hw_frames_ctx);
if (result < 0)
{
hb_error("hb_create_ffmpeg_pool vpp allocation failed");
return result;
}
AVHWFramesContext *frames_ctx;
AVQSVFramesContext *frames_hwctx;
AVBufferRef *hw_frames_ctx;
hw_frames_ctx = init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->hw_frames_ctx;
frames_ctx = (AVHWFramesContext*)hw_frames_ctx->data;
frames_hwctx = frames_ctx->hwctx;
init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->input_texture = frames_hwctx->texture;
/* allocate the memory ids for the external frames */
av_buffer_unref(&init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->mids_buf);
init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->mids_buf = hb_qsv_create_mids(init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->hw_frames_ctx);
if (!init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->mids_buf)
return AVERROR(ENOMEM);
init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->mids = (QSVMid*)init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->mids_buf->data;
init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
memset(init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->pool, 0, init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->nb_mids * sizeof(init->job->qsv.ctx->hb_vpp_qsv_frames_ctx->pool[0]));
}
else
#endif
{
hb_dict_set_int(avsettings, "width", width);
hb_dict_set_int(avsettings, "height", height);
hb_dict_set_string(avsettings, "flags", "lanczos+accurate_rnd");
switch (init->color_matrix)
{
case HB_COLR_MAT_BT709:
matrix = "bt709";
break;
case HB_COLR_MAT_FCC:
matrix = "fcc";
break;
case HB_COLR_MAT_SMPTE240M:
matrix = "smpte240m";
break;
case HB_COLR_MAT_BT470BG:
case HB_COLR_MAT_SMPTE170M:
matrix = "smpte170m";
break;
case HB_COLR_MAT_BT2020_NCL:
case HB_COLR_MAT_BT2020_CL:
matrix = "bt2020";
break;
default:
case HB_COLR_MAT_UNDEF:
matrix = NULL;
break;
}
if (matrix != NULL)
{
hb_dict_set_string(avsettings, "in_color_matrix", matrix);
hb_dict_set_string(avsettings, "out_color_matrix", matrix);
}
hb_dict_set_string(avsettings, "out_range", "limited");
hb_dict_set(avfilter, "scale", avsettings);
}
hb_value_array_append(avfilters, avfilter);
avfilter = hb_dict_init();
avsettings = hb_dict_init();
#if HB_PROJECT_FEATURE_QSV && (defined( _WIN32 ) || defined( __MINGW32__ ))
if (!hb_qsv_hw_filters_are_enabled(init->job))
#endif
{
// TODO: Support other pix formats
// Force output to YUV420P for until other formats are supported
hb_dict_set(avsettings, "pix_fmts", hb_value_string("yuv420p"));
hb_dict_set(avfilter, "format", avsettings);
hb_value_array_append(avfilters, avfilter);
}
init->crop[0] = top;
init->crop[1] = bottom;
init->crop[2] = left;
init->crop[3] = right;
init->geometry.width = width;
init->geometry.height = height;
pv->output = *init;
pv->avfilters = avfilters;
return 0;
}
static hb_filter_info_t * crop_scale_info( hb_filter_object_t * filter )
{
hb_filter_private_t * pv = filter->private_data;
if (pv == NULL)
{
return NULL;
}
hb_filter_info_t * info;
hb_dict_t * settings = filter->settings;
int width, height, top, bottom, left, right;
info = calloc(1, sizeof(hb_filter_info_t));
if (info == NULL)
{
hb_error("crop_scale_info: allocation failure");
return NULL;
}
info->output = pv->output;
hb_dict_extract_int(&top, settings, "crop-top");
hb_dict_extract_int(&bottom, settings, "crop-bottom");
hb_dict_extract_int(&left, settings, "crop-left");
hb_dict_extract_int(&right, settings, "crop-right");
hb_dict_extract_int(&width, settings, "width");
hb_dict_extract_int(&height, settings, "height");
int cropped_width = pv->input.geometry.width - (left + right);
int cropped_height = pv->input.geometry.height - (top + bottom);
info->human_readable_desc = hb_strdup_printf(
"source: %d * %d, crop (%d/%d/%d/%d): %d * %d, scale: %d * %d",
pv->input.geometry.width, pv->input.geometry.height,
top, bottom, left, right,
cropped_width, cropped_height, width, height);
return info;
}
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