| /* GStreamer |
| * Copyright (C) <2011> 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_H__ |
| #define __GST_VIDEO_H__ |
| |
| #include <gst/gst.h> |
| |
| #include <gst/video/video-prelude.h> |
| |
| typedef struct _GstVideoAlignment GstVideoAlignment; |
| |
| #include <gst/video/video-format.h> |
| #include <gst/video/video-color.h> |
| #include <gst/video/video-dither.h> |
| #include <gst/video/video-info.h> |
| #include <gst/video/video-frame.h> |
| #include <gst/video/video-enumtypes.h> |
| #include <gst/video/video-converter.h> |
| #include <gst/video/video-scaler.h> |
| #include <gst/video/video-multiview.h> |
| |
| G_BEGIN_DECLS |
| |
| /** |
| * GstVideoAlignment: |
| * @padding_left: extra pixels on the left side |
| * @padding_right: extra pixels on the right side |
| * @padding_top: extra pixels on the top |
| * @padding_bottom: extra pixels on the bottom |
| * @stride_align: array with extra alignment requirements for the strides |
| * |
| * Extra alignment parameters for the memory of video buffers. This |
| * structure is usually used to configure the bufferpool if it supports the |
| * #GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT. |
| */ |
| struct _GstVideoAlignment |
| { |
| guint padding_top; |
| guint padding_bottom; |
| guint padding_left; |
| guint padding_right; |
| guint stride_align[GST_VIDEO_MAX_PLANES]; |
| }; |
| |
| /** |
| * GstVideoOrientationMethod: |
| * @GST_VIDEO_ORIENTATION_IDENTITY: Identity (no rotation) |
| * @GST_VIDEO_ORIENTATION_90R: Rotate clockwise 90 degrees |
| * @GST_VIDEO_ORIENTATION_180: Rotate 180 degrees |
| * @GST_VIDEO_ORIENTATION_90L: Rotate counter-clockwise 90 degrees |
| * @GST_VIDEO_ORIENTATION_HORIZ: Flip horizontally |
| * @GST_VIDEO_ORIENTATION_VERT: Flip vertically |
| * @GST_VIDEO_ORIENTATION_UL_LR: Flip across upper left/lower right diagonal |
| * @GST_VIDEO_ORIENTATION_UR_LL: Flip across upper right/lower left diagonal |
| * @GST_VIDEO_ORIENTATION_AUTO: Select flip method based on image-orientation tag |
| * @GST_VIDEO_ORIENTATION_CUSTOM: Current status depends on plugin internal setup |
| * |
| * The different video orientation methods. |
| * |
| * Since: 1.10 |
| */ |
| typedef enum { |
| GST_VIDEO_ORIENTATION_IDENTITY, |
| GST_VIDEO_ORIENTATION_90R, |
| GST_VIDEO_ORIENTATION_180, |
| GST_VIDEO_ORIENTATION_90L, |
| GST_VIDEO_ORIENTATION_HORIZ, |
| GST_VIDEO_ORIENTATION_VERT, |
| GST_VIDEO_ORIENTATION_UL_LR, |
| GST_VIDEO_ORIENTATION_UR_LL, |
| GST_VIDEO_ORIENTATION_AUTO, |
| GST_VIDEO_ORIENTATION_CUSTOM, |
| } GstVideoOrientationMethod; |
| |
| /* metadata macros */ |
| /** |
| * GST_META_TAG_VIDEO_STR: |
| * |
| * This metadata is relevant for video streams. |
| * |
| * Since: 1.2 |
| */ |
| #define GST_META_TAG_VIDEO_STR "video" |
| /** |
| * GST_META_TAG_VIDEO_ORIENTATION_STR: |
| * |
| * This metadata stays relevant as long as video orientation is unchanged. |
| * |
| * Since: 1.2 |
| */ |
| #define GST_META_TAG_VIDEO_ORIENTATION_STR "orientation" |
| /** |
| * GST_META_TAG_VIDEO_SIZE_STR: |
| * |
| * This metadata stays relevant as long as video size is unchanged. |
| * |
| * Since: 1.2 |
| */ |
| #define GST_META_TAG_VIDEO_SIZE_STR "size" |
| /** |
| * GST_META_TAG_VIDEO_COLORSPACE_STR: |
| * |
| * This metadata stays relevant as long as video colorspace is unchanged. |
| * |
| * Since: 1.2 |
| */ |
| #define GST_META_TAG_VIDEO_COLORSPACE_STR "colorspace" |
| |
| GST_VIDEO_API |
| void gst_video_alignment_reset (GstVideoAlignment *align); |
| |
| |
| /* some helper functions */ |
| |
| GST_VIDEO_API |
| gboolean gst_video_calculate_display_ratio (guint * dar_n, |
| guint * dar_d, |
| guint video_width, |
| guint video_height, |
| guint video_par_n, |
| guint video_par_d, |
| guint display_par_n, |
| guint display_par_d); |
| |
| GST_VIDEO_API |
| gboolean gst_video_guess_framerate (GstClockTime duration, |
| gint * dest_n, gint * dest_d); |
| |
| /* convert/encode video sample from one format to another */ |
| |
| typedef void (*GstVideoConvertSampleCallback) (GstSample * sample, GError *error, gpointer user_data); |
| |
| GST_VIDEO_API |
| void gst_video_convert_sample_async (GstSample * sample, |
| const GstCaps * to_caps, |
| GstClockTime timeout, |
| GstVideoConvertSampleCallback callback, |
| gpointer user_data, |
| GDestroyNotify destroy_notify); |
| |
| GST_VIDEO_API |
| GstSample * gst_video_convert_sample (GstSample * sample, |
| const GstCaps * to_caps, |
| GstClockTime timeout, |
| GError ** error); |
| |
| G_END_DECLS |
| |
| #include <gst/video/colorbalancechannel.h> |
| #include <gst/video/colorbalance.h> |
| #include <gst/video/gstvideodecoder.h> |
| #include <gst/video/gstvideoencoder.h> |
| #include <gst/video/gstvideofilter.h> |
| #include <gst/video/gstvideometa.h> |
| #include <gst/video/gstvideopool.h> |
| #include <gst/video/gstvideosink.h> |
| #include <gst/video/gstvideoutils.h> |
| #include <gst/video/navigation.h> |
| #include <gst/video/video-blend.h> |
| #include <gst/video/video-event.h> |
| #include <gst/video/videodirection.h> |
| #include <gst/video/videoorientation.h> |
| #include <gst/video/video-overlay-composition.h> |
| #include <gst/video/videooverlay.h> |
| #include <gst/video/gstvideotimecode.h> |
| #include <gst/video/gstvideoaffinetransformationmeta.h> |
| |
| #endif /* __GST_VIDEO_H__ */ |
