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49ac382b47
This adds a property to select the maximum number of threads to use for conversion and scaling. During processing, each plane is split into an equal number of consecutive lines that are then processed by each thread. During tests, this gave up to 1.8x speedup with 2 threads and up to 3.2x speedup with 4 threads when converting e.g. 1080p to 4k in v210. https://bugzilla.gnome.org/show_bug.cgi?id=778974
292 lines
9.5 KiB
C
292 lines
9.5 KiB
C
/* Video conversion api function
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* Copyright (C) 2014 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VIDEO_CONVERTER_H__
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#define __GST_VIDEO_CONVERTER_H__
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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/**
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* GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD:
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*
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* #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for
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* resampling. Other options for the resampler can be used, see
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* the #GstResampler. Default is #GST_RESAMPLER_METHOD_CUBIC
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*/
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#define GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD "GstVideoConverter.resampler-method"
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/**
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* GST_VIDEO_CONVERTER_OPT_CHROMA_RESAMPLER_METHOD:
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*
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* #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for
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* chroma resampling. Other options for the resampler can be used, see
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* the #GstResampler. Default is #GST_RESAMPLER_METHOD_LINEAR
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*/
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#define GST_VIDEO_CONVERTER_OPT_CHROMA_RESAMPLER_METHOD "GstVideoConverter.chroma-resampler-method"
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/**
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* GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS:
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*
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* #G_TYPE_UINT, The number of taps for the resampler.
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* Default is 0: let the resampler choose a good value.
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*/
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#define GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS "GstVideoConverter.resampler-taps"
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/**
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* GST_VIDEO_CONVERTER_OPT_DITHER_METHOD:
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*
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* #GST_TYPE_VIDEO_DITHER_METHOD, The dither method to use when
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* changing bit depth.
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* Default is #GST_VIDEO_DITHER_BAYER.
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*/
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#define GST_VIDEO_CONVERTER_OPT_DITHER_METHOD "GstVideoConverter.dither-method"
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/**
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* GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION:
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*
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* #G_TYPE_UINT, The quantization amount to dither to. Components will be
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* quantized to multiples of this value.
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* Default is 1
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*/
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#define GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION "GstVideoConverter.dither-quantization"
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/**
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* GST_VIDEO_CONVERTER_OPT_SRC_X:
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*
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* #G_TYPE_INT, source x position to start conversion, default 0
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*/
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#define GST_VIDEO_CONVERTER_OPT_SRC_X "GstVideoConverter.src-x"
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/**
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* GST_VIDEO_CONVERTER_OPT_SRC_Y:
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*
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* #G_TYPE_INT, source y position to start conversion, default 0
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*/
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#define GST_VIDEO_CONVERTER_OPT_SRC_Y "GstVideoConverter.src-y"
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/**
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* GST_VIDEO_CONVERTER_OPT_SRC_WIDTH:
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*
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* #G_TYPE_INT, source width to convert, default source width
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*/
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#define GST_VIDEO_CONVERTER_OPT_SRC_WIDTH "GstVideoConverter.src-width"
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/**
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* GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT:
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*
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* #G_TYPE_INT, source height to convert, default source height
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*/
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#define GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT "GstVideoConverter.src-height"
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/**
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* GST_VIDEO_CONVERTER_OPT_DEST_X:
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*
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* #G_TYPE_INT, x position in the destination frame, default 0
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*/
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#define GST_VIDEO_CONVERTER_OPT_DEST_X "GstVideoConverter.dest-x"
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/**
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* GST_VIDEO_CONVERTER_OPT_DEST_Y:
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*
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* #G_TYPE_INT, y position in the destination frame, default 0
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*/
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#define GST_VIDEO_CONVERTER_OPT_DEST_Y "GstVideoConverter.dest-y"
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/**
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* GST_VIDEO_CONVERTER_OPT_DEST_WIDTH:
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*
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* #G_TYPE_INT, width in the destination frame, default destination width
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*/
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#define GST_VIDEO_CONVERTER_OPT_DEST_WIDTH "GstVideoConverter.dest-width"
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/**
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* GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT:
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*
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* #G_TYPE_INT, height in the destination frame, default destination height
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*/
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#define GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT "GstVideoConverter.dest-height"
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/**
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* GST_VIDEO_CONVERTER_OPT_FILL_BORDER:
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*
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* #G_TYPE_BOOLEAN, if the destination rectangle does not fill the complete
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* destination image, render a border with
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* #GST_VIDEO_CONVERTER_OPT_BORDER_ARGB. Otherwise the unusded pixels in the
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* destination are untouched. Default %TRUE.
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*/
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#define GST_VIDEO_CONVERTER_OPT_FILL_BORDER "GstVideoConverter.fill-border"
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/**
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* GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE:
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*
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* #G_TYPE_DOUBLE, the alpha color value to use.
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* Default to 1.0
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*/
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#define GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE "GstVideoConverter.alpha-value"
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/**
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* GstVideoAlphaMode:
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* @GST_VIDEO_ALPHA_MODE_COPY: When input and output have alpha, it will be copied.
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* When the input has no alpha, alpha will be set to
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* #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE
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* @GST_VIDEO_ALPHA_MODE_SET: set all alpha to
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* #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE
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* @GST_VIDEO_ALPHA_MODE_MULT: multiply all alpha with
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* #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE.
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* When the input format has no alpha but the output format has, the
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* alpha value will be set to #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE
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*
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* Different alpha modes.
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*
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* Since: 1.6
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*/
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typedef enum {
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GST_VIDEO_ALPHA_MODE_COPY,
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GST_VIDEO_ALPHA_MODE_SET,
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GST_VIDEO_ALPHA_MODE_MULT
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} GstVideoAlphaMode;
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/**
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* GST_VIDEO_CONVERTER_OPT_ALPHA_MODE:
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*
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* #GST_TYPE_VIDEO_ALPHA_MODE, the alpha mode to use.
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* Default is #GST_VIDEO_ALPHA_MODE_COPY.
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*/
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#define GST_VIDEO_CONVERTER_OPT_ALPHA_MODE "GstVideoConverter.alpha-mode"
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/**
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* GST_VIDEO_CONVERTER_OPT_BORDER_ARGB:
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*
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* #G_TYPE_UINT, the border color to use if #GST_VIDEO_CONVERTER_OPT_FILL_BORDER
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* is set to %TRUE. The color is in ARGB format.
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* Default 0xff000000
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*/
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#define GST_VIDEO_CONVERTER_OPT_BORDER_ARGB "GstVideoConverter.border-argb"
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/**
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* GstVideoChromaMode:
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* @GST_VIDEO_CHROMA_MODE_FULL: do full chroma up and down sampling
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* @GST_VIDEO_CHROMA_MODE_UPSAMPLE_ONLY: only perform chroma upsampling
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* @GST_VIDEO_CHROMA_MODE_DOWNSAMPLE_ONLY: only perform chroma downsampling
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* @GST_VIDEO_CHROMA_MODE_NONE: disable chroma resampling
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*
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* Different chroma downsampling and upsampling modes
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*
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* Since: 1.6
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*/
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typedef enum {
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GST_VIDEO_CHROMA_MODE_FULL,
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GST_VIDEO_CHROMA_MODE_UPSAMPLE_ONLY,
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GST_VIDEO_CHROMA_MODE_DOWNSAMPLE_ONLY,
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GST_VIDEO_CHROMA_MODE_NONE
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} GstVideoChromaMode;
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/**
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* GST_VIDEO_CONVERTER_OPT_CHROMA_MODE:
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*
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* #GST_TYPE_VIDEO_CHROMA_MODE, set the chroma resample mode subsampled
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* formats. Default is #GST_VIDEO_CHROMA_MODE_FULL.
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*/
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#define GST_VIDEO_CONVERTER_OPT_CHROMA_MODE "GstVideoConverter.chroma-mode"
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/**
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*GstVideoMatrixMode:
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* @GST_VIDEO_MATRIX_MODE_FULL: do conversion between color matrices
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* @GST_VIDEO_MATRIX_MODE_INPUT_ONLY: use the input color matrix to convert
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* to and from R'G'B
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* @GST_VIDEO_MATRIX_MODE_OUTPUT_ONLY: use the output color matrix to convert
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* to and from R'G'B
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* @GST_VIDEO_MATRIX_MODE_NONE: disable color matrix conversion.
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*
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* Different color matrix conversion modes
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*
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* Since: 1.6
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*/
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typedef enum {
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GST_VIDEO_MATRIX_MODE_FULL,
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GST_VIDEO_MATRIX_MODE_INPUT_ONLY,
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GST_VIDEO_MATRIX_MODE_OUTPUT_ONLY,
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GST_VIDEO_MATRIX_MODE_NONE
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} GstVideoMatrixMode;
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/**
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* GST_VIDEO_CONVERTER_OPT_MATRIX_MODE:
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*
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* #GST_TYPE_VIDEO_MATRIX_MODE, set the color matrix conversion mode for
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* converting between Y'PbPr and non-linear RGB (R'G'B').
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* Default is #GST_VIDEO_MATRIX_MODE_FULL.
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*/
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#define GST_VIDEO_CONVERTER_OPT_MATRIX_MODE "GstVideoConverter.matrix-mode"
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/**
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* GstVideoGammaMode:
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* @GST_VIDEO_GAMMA_MODE_NONE: disable gamma handling
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* @GST_VIDEO_GAMMA_MODE_REMAP: convert between input and output gamma
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* Different gamma conversion modes
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*
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* Since: 1.6
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*/
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typedef enum {
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GST_VIDEO_GAMMA_MODE_NONE,
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GST_VIDEO_GAMMA_MODE_REMAP
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} GstVideoGammaMode;
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/**
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* GST_VIDEO_CONVERTER_OPT_GAMMA_MODE:
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*
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* #GST_TYPE_VIDEO_GAMMA_MODE, set the gamma mode.
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* Default is #GST_VIDEO_GAMMA_MODE_NONE.
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*/
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#define GST_VIDEO_CONVERTER_OPT_GAMMA_MODE "GstVideoConverter.gamma-mode"
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/**
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* GstVideoPrimariesMode:
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* @GST_VIDEO_PRIMARIES_MODE_NONE: disable conversion between primaries
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* @GST_VIDEO_PRIMARIES_MODE_MERGE_ONLY: do conversion between primaries only
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* when it can be merged with color matrix conversion.
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* @GST_VIDEO_PRIMARIES_MODE_FAST: fast conversion between primaries
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*
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* Different primaries conversion modes
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*
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* Since: 1.6
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*/
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typedef enum {
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GST_VIDEO_PRIMARIES_MODE_NONE,
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GST_VIDEO_PRIMARIES_MODE_MERGE_ONLY,
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GST_VIDEO_PRIMARIES_MODE_FAST
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} GstVideoPrimariesMode;
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/**
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* GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE:
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*
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* #GST_TYPE_VIDEO_PRIMARIES_MODE, set the primaries conversion mode.
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* Default is #GST_VIDEO_PRIMARIES_MODE_NONE.
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*/
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#define GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE "GstVideoConverter.primaries-mode"
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/**
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* GST_VIDEO_CONVERTER_OPT_THREADS:
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*
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* #G_TYPE_UINT, maximum number of threads to use. Default 1, 0 for the number
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* of cores.
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*/
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#define GST_VIDEO_CONVERTER_OPT_THREADS "GstVideoConverter.threads"
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typedef struct _GstVideoConverter GstVideoConverter;
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GstVideoConverter * gst_video_converter_new (GstVideoInfo *in_info,
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GstVideoInfo *out_info,
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GstStructure *config);
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void gst_video_converter_free (GstVideoConverter * convert);
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gboolean gst_video_converter_set_config (GstVideoConverter * convert, GstStructure *config);
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const GstStructure * gst_video_converter_get_config (GstVideoConverter * convert);
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void gst_video_converter_frame (GstVideoConverter * convert,
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const GstVideoFrame *src, GstVideoFrame *dest);
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G_END_DECLS
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#endif /* __GST_VIDEO_CONVERTER_H__ */
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