| /* Video conversion api function |
| * Copyright (C) 2014 Wim Taymans <wim.taymans@gmail.com> |
| * |
| * 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 <gst/video/video.h> |
| |
| 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_VIDEO_API |
| GstVideoConverter * gst_video_converter_new (GstVideoInfo *in_info, |
| GstVideoInfo *out_info, |
| GstStructure *config); |
| |
| GST_VIDEO_API |
| void gst_video_converter_free (GstVideoConverter * convert); |
| |
| GST_VIDEO_API |
| gboolean gst_video_converter_set_config (GstVideoConverter * convert, GstStructure *config); |
| |
| GST_VIDEO_API |
| const GstStructure * gst_video_converter_get_config (GstVideoConverter * convert); |
| |
| GST_VIDEO_API |
| void gst_video_converter_frame (GstVideoConverter * convert, |
| const GstVideoFrame *src, GstVideoFrame *dest); |
| |
| |
| G_END_DECLS |
| |
| #endif /* __GST_VIDEO_CONVERTER_H__ */ |