/* 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 /** * 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_CHROMA_RESAMPLER_METHOD: * * #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for * chroma resampling. Other options for the resampler can be used, see * the #GstResampler. Default is #GST_RESAMPLER_METHOD_LINEAR */ #define GST_VIDEO_CONVERTER_OPT_CHROMA_RESAMPLER_METHOD "GstVideoConverter.chroma-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_BAYER. */ #define GST_VIDEO_CONVERTER_OPT_DITHER_METHOD "GstVideoConverter.dither-method" /** * GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION: * * #G_TYPE_UINT, The quantization amount to dither to. Components will be * quantized to multiples of this value. * Default is 1 */ #define GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION "GstVideoConverter.dither-quantization" /** * 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_ALPHA_VALUE: * * #G_TYPE_DOUBLE, the alpha color value to use. * Default to 1.0 */ #define GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE "GstVideoConverter.alpha-value" /** * GstVideoAlphaMode: * @GST_VIDEO_ALPHA_MODE_COPY: When input and output have alpha, it will be copied. * When the input has no alpha, alpha will be set to * #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE * @GST_VIDEO_ALPHA_MODE_SET: set all alpha to * #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE * @GST_VIDEO_ALPHA_MODE_MULT: multiply all alpha with * #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE. * When the input format has no alpha but the output format has, the * alpha value will be set to #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE * * Different alpha modes. * * Since: 1.6 */ typedef enum { GST_VIDEO_ALPHA_MODE_COPY, GST_VIDEO_ALPHA_MODE_SET, GST_VIDEO_ALPHA_MODE_MULT } GstVideoAlphaMode; /** * GST_VIDEO_CONVERTER_OPT_ALPHA_MODE: * * #GST_TYPE_VIDEO_ALPHA_MODE, the alpha mode to use. * Default is #GST_VIDEO_ALPHA_MODE_COPY. */ #define GST_VIDEO_CONVERTER_OPT_ALPHA_MODE "GstVideoConverter.alpha-mode" /** * 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. The color is in ARGB format. * Default 0xff000000 */ #define GST_VIDEO_CONVERTER_OPT_BORDER_ARGB "GstVideoConverter.border-argb" /** * GstVideoChromaMode: * @GST_VIDEO_CHROMA_MODE_FULL: do full chroma up and down sampling * @GST_VIDEO_CHROMA_MODE_UPSAMPLE_ONLY: only perform chroma upsampling * @GST_VIDEO_CHROMA_MODE_DOWNSAMPLE_ONLY: only perform chroma downsampling * @GST_VIDEO_CHROMA_MODE_NONE: disable chroma resampling * * Different chroma downsampling and upsampling modes * * Since: 1.6 */ typedef enum { GST_VIDEO_CHROMA_MODE_FULL, GST_VIDEO_CHROMA_MODE_UPSAMPLE_ONLY, GST_VIDEO_CHROMA_MODE_DOWNSAMPLE_ONLY, GST_VIDEO_CHROMA_MODE_NONE } GstVideoChromaMode; /** * GST_VIDEO_CONVERTER_OPT_CHROMA_MODE: * * #GST_TYPE_VIDEO_CHROMA_MODE, set the chroma resample mode subsampled * formats. Default is #GST_VIDEO_CHROMA_MODE_FULL. */ #define GST_VIDEO_CONVERTER_OPT_CHROMA_MODE "GstVideoConverter.chroma-mode" /** *GstVideoMatrixMode: * @GST_VIDEO_MATRIX_MODE_FULL: do conversion between color matrices * @GST_VIDEO_MATRIX_MODE_INPUT_ONLY: use the input color matrix to convert * to and from R'G'B * @GST_VIDEO_MATRIX_MODE_OUTPUT_ONLY: use the output color matrix to convert * to and from R'G'B * @GST_VIDEO_MATRIX_MODE_NONE: disable color matrix conversion. * * Different color matrix conversion modes * * Since: 1.6 */ typedef enum { GST_VIDEO_MATRIX_MODE_FULL, GST_VIDEO_MATRIX_MODE_INPUT_ONLY, GST_VIDEO_MATRIX_MODE_OUTPUT_ONLY, GST_VIDEO_MATRIX_MODE_NONE } GstVideoMatrixMode; /** * GST_VIDEO_CONVERTER_OPT_MATRIX_MODE: * * #GST_TYPE_VIDEO_MATRIX_MODE, set the color matrix conversion mode for * converting between Y'PbPr and non-linear RGB (R'G'B'). * Default is #GST_VIDEO_MATRIX_MODE_FULL. */ #define GST_VIDEO_CONVERTER_OPT_MATRIX_MODE "GstVideoConverter.matrix-mode" /** * GstVideoGammaMode: * @GST_VIDEO_GAMMA_MODE_NONE: disable gamma handling * @GST_VIDEO_GAMMA_MODE_REMAP: convert between input and output gamma * Different gamma conversion modes * * Since: 1.6 */ typedef enum { GST_VIDEO_GAMMA_MODE_NONE, GST_VIDEO_GAMMA_MODE_REMAP } GstVideoGammaMode; /** * GST_VIDEO_CONVERTER_OPT_GAMMA_MODE: * * #GST_TYPE_VIDEO_GAMMA_MODE, set the gamma mode. * Default is #GST_VIDEO_GAMMA_MODE_NONE. */ #define GST_VIDEO_CONVERTER_OPT_GAMMA_MODE "GstVideoConverter.gamma-mode" /** * GstVideoPrimariesMode: * @GST_VIDEO_PRIMARIES_MODE_NONE: disable conversion between primaries * @GST_VIDEO_PRIMARIES_MODE_MERGE_ONLY: do conversion between primaries only * when it can be merged with color matrix conversion. * @GST_VIDEO_PRIMARIES_MODE_FAST: fast conversion between primaries * * Different primaries conversion modes * * Since: 1.6 */ typedef enum { GST_VIDEO_PRIMARIES_MODE_NONE, GST_VIDEO_PRIMARIES_MODE_MERGE_ONLY, GST_VIDEO_PRIMARIES_MODE_FAST } GstVideoPrimariesMode; /** * GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE: * * #GST_TYPE_VIDEO_PRIMARIES_MODE, set the primaries conversion mode. * Default is #GST_VIDEO_PRIMARIES_MODE_NONE. */ #define GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE "GstVideoConverter.primaries-mode" /** * GST_VIDEO_CONVERTER_OPT_THREADS: * * #G_TYPE_UINT, maximum number of threads to use. Default 1, 0 for the number * of cores. */ #define GST_VIDEO_CONVERTER_OPT_THREADS "GstVideoConverter.threads" typedef struct _GstVideoConverter GstVideoConverter; GST_EXPORT GstVideoConverter * gst_video_converter_new (GstVideoInfo *in_info, GstVideoInfo *out_info, GstStructure *config); GST_EXPORT void gst_video_converter_free (GstVideoConverter * convert); GST_EXPORT gboolean gst_video_converter_set_config (GstVideoConverter * convert, GstStructure *config); GST_EXPORT const GstStructure * gst_video_converter_get_config (GstVideoConverter * convert); GST_EXPORT void gst_video_converter_frame (GstVideoConverter * convert, const GstVideoFrame *src, GstVideoFrame *dest); G_END_DECLS #endif /* __GST_VIDEO_CONVERTER_H__ */