/* Video conversion api function * Copyright (C) 2014 Wim Taymans * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_VIDEO_CONVERTER_H__ #define __GST_VIDEO_CONVERTER_H__ #include G_BEGIN_DECLS /** * GstVideoDitherMethod: * @GST_VIDEO_DITHER_NONE: no dithering * @GST_VIDEO_DITHER_VERTERR: propagate rounding errors downwards * @GST_VIDEO_DITHER_HALFTONE: Dither with halftone pattern * @GST_VIDEO_DITHER_HORIZERR: propagate rounding errors right * * Different dithering methods to use. */ typedef enum { GST_VIDEO_DITHER_NONE, GST_VIDEO_DITHER_VERTERR, GST_VIDEO_DITHER_HALFTONE, GST_VIDEO_DITHER_HORIZERR } GstVideoDitherMethod; /** * GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD: * * #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for * resampling. Other options for the resampler can be used, see * the #GstResampler. Default is #GST_RESAMPLER_METHOD_CUBIC */ #define GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD "GstVideoConverter.resampler-method" /** * GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS: * * #G_TYPE_UINT, The number of taps for the resampler. * Default is 0: let the resampler choose a good value. */ #define GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS "GstVideoConverter.resampler-taps" /** * GST_VIDEO_CONVERTER_OPT_DITHER_METHOD: * * #GST_TYPE_VIDEO_DITHER_METHOD, The dither method to use when * changing bit depth. * Default is #GST_VIDEO_DITHER_NONE. */ #define GST_VIDEO_CONVERTER_OPT_DITHER_METHOD "GstVideoConverter.dither-method" /** * GST_VIDEO_CONVERTER_OPT_SRC_X: * * #G_TYPE_INT, source x position to start conversion, default 0 */ #define GST_VIDEO_CONVERTER_OPT_SRC_X "GstVideoConverter.src-x" /** * GST_VIDEO_CONVERTER_OPT_SRC_Y: * * #G_TYPE_INT, source y position to start conversion, default 0 */ #define GST_VIDEO_CONVERTER_OPT_SRC_Y "GstVideoConverter.src-y" /** * GST_VIDEO_CONVERTER_OPT_SRC_WIDTH: * * #G_TYPE_INT, source width to convert, default source width */ #define GST_VIDEO_CONVERTER_OPT_SRC_WIDTH "GstVideoConverter.src-width" /** * GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT: * * #G_TYPE_INT, source height to convert, default source height */ #define GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT "GstVideoConverter.src-height" /** * GST_VIDEO_CONVERTER_OPT_DEST_X: * * #G_TYPE_INT, x position in the destination frame, default 0 */ #define GST_VIDEO_CONVERTER_OPT_DEST_X "GstVideoConverter.dest-x" /** * GST_VIDEO_CONVERTER_OPT_DEST_Y: * * #G_TYPE_INT, y position in the destination frame, default 0 */ #define GST_VIDEO_CONVERTER_OPT_DEST_Y "GstVideoConverter.dest-y" /** * GST_VIDEO_CONVERTER_OPT_DEST_WIDTH: * * #G_TYPE_INT, width in the destination frame, default destination width */ #define GST_VIDEO_CONVERTER_OPT_DEST_WIDTH "GstVideoConverter.dest-width" /** * GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT: * * #G_TYPE_INT, height in the destination frame, default destination height */ #define GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT "GstVideoConverter.dest-height" /** * GST_VIDEO_CONVERTER_OPT_FILL_BORDER: * * #G_TYPE_BOOLEAN, if the destination rectangle does not fill the complete * destination image, render a border with * #GST_VIDEO_CONVERTER_OPT_BORDER_ARGB. Otherwise the unusded pixels in the * destination are untouched. Default %TRUE. */ #define GST_VIDEO_CONVERTER_OPT_FILL_BORDER "GstVideoConverter.fill-border" /** * GST_VIDEO_CONVERTER_OPT_BORDER_ARGB: * * #G_TYPE_UINT, the border color to use if #GST_VIDEO_CONVERTER_OPT_FILL_BORDER * is set to %TRUE. Default 0x00000000 */ #define GST_VIDEO_CONVERTER_OPT_BORDER_ARGB "GstVideoConverter.border-argb" /** * GST_VIDEO_CONVERTER_OPT_MATRIX_MODE: * * #G_TYPE_STRING, set the color matrix conversion mode. * * "full": do conversion between color matrices * "no-yuv": disable conversion between yuv color matrices * * Default "full" */ #define GST_VIDEO_CONVERTER_OPT_MATRIX_MODE "GstVideoConverter.matrix-mode" /** * GST_VIDEO_CONVERTER_OPT_GAMMA_MODE: * * #G_TYPE_STRING, set the gamma mode. * * "none": disable gamma handling * "remap": convert between input and output gamma * * Default "none" */ #define GST_VIDEO_CONVERTER_OPT_GAMMA_MODE "GstVideoConverter.gamma-mode" /** * GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE: * * #G_TYPE_STRING, set the primaries conversion mode. * * "none": disable conversion between primaries * "merge-only": do conversion between primaries only when it can be merged * with color matrix conversion. * "fast": fast conversion between primaries * * Default "none" */ #define GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE "GstVideoConverter.primaries-mode" typedef struct _GstVideoConverter GstVideoConverter; GstVideoConverter * gst_video_converter_new (GstVideoInfo *in_info, GstVideoInfo *out_info, GstStructure *config); void gst_video_converter_free (GstVideoConverter * convert); gboolean gst_video_converter_set_config (GstVideoConverter * convert, GstStructure *config); const GstStructure * gst_video_converter_get_config (GstVideoConverter * convert); void gst_video_converter_frame (GstVideoConverter * convert, const GstVideoFrame *src, GstVideoFrame *dest); G_END_DECLS #endif /* __GST_VIDEO_CONVERTER_H__ */