| /* 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., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #ifndef __GST_VIDEO_H__ |
| #define __GST_VIDEO_H__ |
| |
| #include <gst/gst.h> |
| |
| G_BEGIN_DECLS |
| |
| #include <gst/video/video-enumtypes.h> |
| |
| /** |
| * GstVideoFormat: |
| * @GST_VIDEO_FORMAT_UNKNOWN: Unknown or unset video format id |
| * @GST_VIDEO_FORMAT_I420: planar 4:2:0 YUV |
| * @GST_VIDEO_FORMAT_YV12: planar 4:2:0 YVU (like I420 but UV planes swapped) |
| * @GST_VIDEO_FORMAT_YUY2: packed 4:2:2 YUV (Y0-U0-Y1-V0 Y2-U2-Y3-V2 Y4 ...) |
| * @GST_VIDEO_FORMAT_UYVY: packed 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) |
| * @GST_VIDEO_FORMAT_AYUV: packed 4:4:4 YUV with alpha channel (A0-Y0-U0-V0 ...) |
| * @GST_VIDEO_FORMAT_RGBx: sparse rgb packed into 32 bit, space last |
| * @GST_VIDEO_FORMAT_BGRx: sparse reverse rgb packed into 32 bit, space last |
| * @GST_VIDEO_FORMAT_xRGB: sparse rgb packed into 32 bit, space first |
| * @GST_VIDEO_FORMAT_xBGR: sparse reverse rgb packed into 32 bit, space first |
| * @GST_VIDEO_FORMAT_RGBA: rgb with alpha channel last |
| * @GST_VIDEO_FORMAT_BGRA: reverse rgb with alpha channel last |
| * @GST_VIDEO_FORMAT_ARGB: rgb with alpha channel first |
| * @GST_VIDEO_FORMAT_ABGR: reverse rgb with alpha channel first |
| * @GST_VIDEO_FORMAT_RGB: rgb |
| * @GST_VIDEO_FORMAT_BGR: reverse rgb |
| * @GST_VIDEO_FORMAT_Y41B: planar 4:1:1 YUV (Since: 0.10.18) |
| * @GST_VIDEO_FORMAT_Y42B: planar 4:2:2 YUV (Since: 0.10.18) |
| * @GST_VIDEO_FORMAT_YVYU: packed 4:2:2 YUV (Y0-V0-Y1-U0 Y2-V2-Y3-U2 Y4 ...) (Since: 0.10.23) |
| * @GST_VIDEO_FORMAT_Y444: planar 4:4:4 YUV (Since: 0.10.24) |
| * @GST_VIDEO_FORMAT_v210: packed 4:2:2 10-bit YUV, complex format (Since: 0.10.24) |
| * @GST_VIDEO_FORMAT_v216: packed 4:2:2 16-bit YUV, Y0-U0-Y1-V1 order (Since: 0.10.24) |
| * @GST_VIDEO_FORMAT_NV12: planar 4:2:0 YUV with interleaved UV plane (Since: 0.10.26) |
| * @GST_VIDEO_FORMAT_NV21: planar 4:2:0 YUV with interleaved VU plane (Since: 0.10.26) |
| * @GST_VIDEO_FORMAT_GRAY8: 8-bit grayscale (Since: 0.10.29) |
| * @GST_VIDEO_FORMAT_GRAY16_BE: 16-bit grayscale, most significant byte first (Since: 0.10.29) |
| * @GST_VIDEO_FORMAT_GRAY16_LE: 16-bit grayscale, least significant byte first (Since: 0.10.29) |
| * @GST_VIDEO_FORMAT_v308: packed 4:4:4 YUV (Since: 0.10.29) |
| * @GST_VIDEO_FORMAT_Y800: same as GST_VIDEO_FORMAT_GRAY8 (Since: 0.10.30) |
| * @GST_VIDEO_FORMAT_Y16: same as GST_VIDEO_FORMAT_GRAY16_LE (Since: 0.10.30) |
| * @GST_VIDEO_FORMAT_RGB16: rgb 5-6-5 bits per component (Since: 0.10.30) |
| * @GST_VIDEO_FORMAT_BGR16: reverse rgb 5-6-5 bits per component (Since: 0.10.30) |
| * @GST_VIDEO_FORMAT_RGB15: rgb 5-5-5 bits per component (Since: 0.10.30) |
| * @GST_VIDEO_FORMAT_BGR15: reverse rgb 5-5-5 bits per component (Since: 0.10.30) |
| * @GST_VIDEO_FORMAT_UYVP: packed 10-bit 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) (Since: 0.10.31) |
| * @GST_VIDEO_FORMAT_A420: planar 4:4:2:0 AYUV (Since: 0.10.31) |
| * @GST_VIDEO_FORMAT_RGB8_PALETTED: 8-bit paletted RGB (Since: 0.10.32) |
| * @GST_VIDEO_FORMAT_YUV9: planar 4:1:0 YUV (Since: 0.10.32) |
| * @GST_VIDEO_FORMAT_YVU9: planar 4:1:0 YUV (like YUV9 but UV planes swapped) (Since: 0.10.32) |
| * @GST_VIDEO_FORMAT_IYU1: packed 4:1:1 YUV (Cb-Y0-Y1-Cr-Y2-Y3 ...) (Since: 0.10.32) |
| * @GST_VIDEO_FORMAT_ARGB64: rgb with alpha channel first, 16 bits per channel (Since: 0.10.33) |
| * @GST_VIDEO_FORMAT_AYUV64: packed 4:4:4 YUV with alpha channel, 16 bits per channel (A0-Y0-U0-V0 ...) (Since: 0.10.33) |
| * @GST_VIDEO_FORMAT_r210: packed 4:4:4 RGB, 10 bits per channel (Since: 0.10.33) |
| * |
| * Enum value describing the most common video formats. |
| */ |
| typedef enum { |
| GST_VIDEO_FORMAT_UNKNOWN, |
| GST_VIDEO_FORMAT_I420, |
| GST_VIDEO_FORMAT_YV12, |
| GST_VIDEO_FORMAT_YUY2, |
| GST_VIDEO_FORMAT_UYVY, |
| GST_VIDEO_FORMAT_AYUV, |
| GST_VIDEO_FORMAT_RGBx, |
| GST_VIDEO_FORMAT_BGRx, |
| GST_VIDEO_FORMAT_xRGB, |
| GST_VIDEO_FORMAT_xBGR, |
| GST_VIDEO_FORMAT_RGBA, |
| GST_VIDEO_FORMAT_BGRA, |
| GST_VIDEO_FORMAT_ARGB, |
| GST_VIDEO_FORMAT_ABGR, |
| GST_VIDEO_FORMAT_RGB, |
| GST_VIDEO_FORMAT_BGR, |
| GST_VIDEO_FORMAT_Y41B, |
| GST_VIDEO_FORMAT_Y42B, |
| GST_VIDEO_FORMAT_YVYU, |
| GST_VIDEO_FORMAT_Y444, |
| GST_VIDEO_FORMAT_v210, |
| GST_VIDEO_FORMAT_v216, |
| GST_VIDEO_FORMAT_NV12, |
| GST_VIDEO_FORMAT_NV21, |
| GST_VIDEO_FORMAT_GRAY8, |
| GST_VIDEO_FORMAT_GRAY16_BE, |
| GST_VIDEO_FORMAT_GRAY16_LE, |
| GST_VIDEO_FORMAT_v308, |
| GST_VIDEO_FORMAT_Y800, |
| GST_VIDEO_FORMAT_Y16, |
| GST_VIDEO_FORMAT_RGB16, |
| GST_VIDEO_FORMAT_BGR16, |
| GST_VIDEO_FORMAT_RGB15, |
| GST_VIDEO_FORMAT_BGR15, |
| GST_VIDEO_FORMAT_UYVP, |
| GST_VIDEO_FORMAT_A420, |
| GST_VIDEO_FORMAT_RGB8_PALETTED, |
| GST_VIDEO_FORMAT_YUV9, |
| GST_VIDEO_FORMAT_YVU9, |
| GST_VIDEO_FORMAT_IYU1, |
| GST_VIDEO_FORMAT_ARGB64, |
| GST_VIDEO_FORMAT_AYUV64, |
| GST_VIDEO_FORMAT_r210 |
| } GstVideoFormat; |
| |
| #define GST_VIDEO_MAX_PLANES 4 |
| #define GST_VIDEO_MAX_COMPONENTS 4 |
| |
| typedef struct _GstVideoFormatInfo GstVideoFormatInfo; |
| |
| /** |
| * GstVideoFormatFlags: |
| * @GST_VIDEO_FORMAT_FLAG_YUV: The video format is YUV, components are numbered |
| * 0=Y, 1=U, 2=V. |
| * @GST_VIDEO_FORMAT_FLAG_RGB: The video format is RGB, components are numbered |
| * 0=R, 1=G, 2=B. |
| * @GST_VIDEO_FORMAT_FLAG_GRAY: The video is gray, there is one gray component |
| * with index 0. |
| * @GST_VIDEO_FORMAT_FLAG_ALPHA: The video format has an alpha components with |
| * the number 3. |
| * @GST_VIDEO_FORMAT_FLAG_LE: The video format has data stored in little |
| * endianness. |
| * @GST_VIDEO_FORMAT_FLAG_PALETTE: The video format has a palette. |
| * @GST_VIDEO_FORMAT_FLAG_COMPLEX: The video format has a complex layout that |
| * can't be described with the usual information in the #GstVideoFormatInfo. |
| * |
| * The different video flags that a format info can have. |
| */ |
| typedef enum |
| { |
| GST_VIDEO_FORMAT_FLAG_YUV = (1 << 0), |
| GST_VIDEO_FORMAT_FLAG_RGB = (1 << 1), |
| GST_VIDEO_FORMAT_FLAG_GRAY = (1 << 2), |
| GST_VIDEO_FORMAT_FLAG_ALPHA = (1 << 3), |
| GST_VIDEO_FORMAT_FLAG_LE = (1 << 4), |
| GST_VIDEO_FORMAT_FLAG_PALETTE = (1 << 5), |
| GST_VIDEO_FORMAT_FLAG_COMPLEX = (1 << 6) |
| } GstVideoFormatFlags; |
| |
| #define GST_VIDEO_COMP_Y 0 |
| #define GST_VIDEO_COMP_U 1 |
| #define GST_VIDEO_COMP_V 2 |
| |
| #define GST_VIDEO_COMP_R 0 |
| #define GST_VIDEO_COMP_G 1 |
| #define GST_VIDEO_COMP_B 2 |
| |
| #define GST_VIDEO_COMP_A 3 |
| |
| /** |
| * GstVideoFormatUnpack: |
| * @info: a #GstVideoFormatInfo |
| * @dest: a destination array |
| * @data: pointers to the data planes |
| * @stride: strides of the planes |
| * @x: the x position in the image to start from |
| * @y: the y position in the image to start from |
| * @width: the amount of pixels to unpack. |
| * |
| * Unpacks @width pixels from the given planes and strides containing data of |
| * format @info. The pixels will be unpacked into @dest which each component |
| * interleaved. @dest should at least be big enough to hold @width * |
| * n_components * size(unpack_format) bytes. |
| */ |
| typedef void (*GstVideoFormatUnpack) (GstVideoFormatInfo *info, gpointer dest, |
| const gpointer data[GST_VIDEO_MAX_PLANES], |
| const gint stride[GST_VIDEO_MAX_PLANES], |
| gint x, gint y, gint width); |
| /** |
| * GstVideoFormatPack: |
| * @info: a #GstVideoFormatInfo |
| * @src: a source array |
| * @data: pointers to the destination data planes |
| * @stride: strides of the destination planes |
| * @x: the x position in the image to pack to |
| * @y: the y position in the image to pack to |
| * @width: the amount of pixels to pack. |
| * |
| * Packs @width pixels from @src to the given planes and strides in the |
| * format @info. The pixels from source have each component interleaved |
| * and will be packed into the planes in @data. |
| */ |
| typedef void (*GstVideoFormatPack) (GstVideoFormatInfo *info, const gpointer src, |
| gpointer data[GST_VIDEO_MAX_PLANES], |
| const gint stride[GST_VIDEO_MAX_PLANES], |
| gint x, gint y, gint width); |
| |
| /** |
| * GstVideoFormatInfo: |
| * @format: #GstVideoFormat |
| * @name: string representation of the format |
| * @description: use readable description of the format |
| * @flags: #GstVideoFormatFlags |
| * @bits: The number of bits used to pack data items. This can be less than 8 |
| * when multiple pixels are stored in a byte. for values > 8 multiple bytes |
| * should be read according to the endianness flag before applying the shift |
| * and mask. |
| * @n_components: the number of components in the video format. |
| * @shift: the number of bits to shift away to get the component data |
| * @depth: the depth in bits for each component |
| * @pixel_stride: the pixel stride of each component. This is the amount of |
| * bytes to the pixel immediately to the right. When bits < 8, the stride is |
| * expressed in bits. |
| * @n_planes: the number of planes for this format. The number of planes can be |
| * less than the amount of components when multiple components are packed into |
| * one plane. |
| * @plane: the plane number where a component can be found |
| * @poffset: the offset in the plane where the first pixel of the components |
| * can be found. If bits < 8 the amount is specified in bits. |
| * @w_sub: subsampling factor of the width for the component. Use |
| * GST_VIDEO_SUB_SCALE to scale a width. |
| * @h_sub: subsampling factor of the height for the component. Use |
| * GST_VIDEO_SUB_SCALE to scale a height. |
| * @unpack_format: the format of the unpacked pixels. |
| * @unpack_func: an unpack function for this format |
| * @pack_func: an pack function for this format |
| * |
| * Information for a video format. |
| */ |
| struct _GstVideoFormatInfo { |
| GstVideoFormat format; |
| const gchar *name; |
| const gchar *description; |
| GstVideoFormatFlags flags; |
| guint bits; |
| guint n_components; |
| guint shift[GST_VIDEO_MAX_COMPONENTS]; |
| guint depth[GST_VIDEO_MAX_COMPONENTS]; |
| gint pixel_stride[GST_VIDEO_MAX_COMPONENTS]; |
| guint n_planes; |
| guint plane[GST_VIDEO_MAX_COMPONENTS]; |
| guint poffset[GST_VIDEO_MAX_COMPONENTS]; |
| guint w_sub[GST_VIDEO_MAX_COMPONENTS]; |
| guint h_sub[GST_VIDEO_MAX_COMPONENTS]; |
| |
| GstVideoFormat unpack_format; |
| GstVideoFormatUnpack unpack_func; |
| GstVideoFormatPack pack_func; |
| }; |
| |
| #define GST_VIDEO_FORMAT_INFO_FORMAT(info) ((info)->format) |
| #define GST_VIDEO_FORMAT_INFO_NAME(info) ((info)->name) |
| #define GST_VIDEO_FORMAT_INFO_FLAGS(info) ((info)->flags) |
| |
| #define GST_VIDEO_FORMAT_INFO_IS_YUV(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_YUV) |
| #define GST_VIDEO_FORMAT_INFO_IS_RGB(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_RGB) |
| #define GST_VIDEO_FORMAT_INFO_IS_GRAY(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_GRAY) |
| #define GST_VIDEO_FORMAT_INFO_HAS_ALPHA(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_ALPHA) |
| #define GST_VIDEO_FORMAT_INFO_IS_LE(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_LE) |
| #define GST_VIDEO_FORMAT_INFO_HAS_PALETTE(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_PALETTE) |
| |
| #define GST_VIDEO_FORMAT_INFO_BITS(info) ((info)->bits) |
| #define GST_VIDEO_FORMAT_INFO_N_COMPONENTS(info) ((info)->n_components) |
| #define GST_VIDEO_FORMAT_INFO_SHIFT(info,c) ((info)->shift[c]) |
| #define GST_VIDEO_FORMAT_INFO_DEPTH(info,c) ((info)->depth[c]) |
| #define GST_VIDEO_FORMAT_INFO_PSTRIDE(info,c) ((info)->pixel_stride[c]) |
| #define GST_VIDEO_FORMAT_INFO_N_PLANES(info) ((info)->n_planes) |
| #define GST_VIDEO_FORMAT_INFO_PLANE(info,c) ((info)->plane[c]) |
| #define GST_VIDEO_FORMAT_INFO_POFFSET(info,c) ((info)->poffset[c]) |
| #define GST_VIDEO_FORMAT_INFO_W_SUB(info,c) ((info)->w_sub[c]) |
| #define GST_VIDEO_FORMAT_INFO_H_SUB(info,c) ((info)->h_sub[c]) |
| |
| /* rounds up */ |
| #define GST_VIDEO_SUB_SCALE(scale,val) (-((-((gint)(val)))>>(scale))) |
| |
| #define GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info,c,w) GST_VIDEO_SUB_SCALE ((info)->w_sub[c],(w)) |
| #define GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info,c,h) GST_VIDEO_SUB_SCALE ((info)->h_sub[c],(h)) |
| |
| #define GST_VIDEO_FORMAT_INFO_DATA(info,planes,comp) \ |
| (((guint8*)(planes)[(info)->plane[comp]]) + (info)->poffset[comp]) |
| #define GST_VIDEO_FORMAT_INFO_STRIDE(info,strides,comp) ((strides)[(info)->plane[comp]]) |
| #define GST_VIDEO_FORMAT_INFO_OFFSET(info,offsets,comp) \ |
| (((offsets)[(info)->plane[comp]]) + (info)->poffset[comp]) |
| |
| /* format properties */ |
| GstVideoFormat gst_video_format_from_masks (gint depth, gint bpp, gint endianness, |
| gint red_mask, gint green_mask, |
| gint blue_mask, gint alpha_mask) G_GNUC_CONST; |
| |
| GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc) G_GNUC_CONST; |
| GstVideoFormat gst_video_format_from_string (const gchar *format) G_GNUC_CONST; |
| |
| guint32 gst_video_format_to_fourcc (GstVideoFormat format) G_GNUC_CONST; |
| const gchar * gst_video_format_to_string (GstVideoFormat format) G_GNUC_CONST; |
| |
| const GstVideoFormatInfo * |
| gst_video_format_get_info (GstVideoFormat format) G_GNUC_CONST; |
| |
| typedef struct _GstVideoInfo GstVideoInfo; |
| typedef struct _GstVideoFrame GstVideoFrame; |
| |
| /** |
| * GstVideoInterlaceMode: |
| * @GST_VIDEO_INTERLACE_MODE_PROGRESSIVE: all frames are progressive |
| * @GST_VIDEO_INTERLACE_MODE_INTERLEAVED: video is interlaced and all fields |
| * are interlaced in one frame. |
| * @GST_VIDEO_INTERLACE_MODE_MIXED: video contains both interlaced and |
| * progressive frames, the buffer flags describe the frame and fields. |
| * @GST_VIDEO_INTERLACE_MODE_FIELDS: video is interlaced and fields are stored |
| * separately. Use the id property to get access to the required field. |
| * |
| * The possible values of the #GstVideoInterlaceMode describing the interlace |
| * mode of the stream. |
| */ |
| typedef enum { |
| GST_VIDEO_INTERLACE_MODE_PROGRESSIVE = 0, |
| GST_VIDEO_INTERLACE_MODE_INTERLEAVED, |
| GST_VIDEO_INTERLACE_MODE_MIXED, |
| GST_VIDEO_INTERLACE_MODE_FIELDS |
| } GstVideoInterlaceMode; |
| |
| /** |
| * GstVideoFlags: |
| * @GST_VIDEO_FLAG_NONE: no flags |
| * @GST_VIDEO_FLAG_INTERLACED: The video is interlaced |
| * @GST_VIDEO_FLAG_TFF: The video has the top field first |
| * @GST_VIDEO_FLAG_RFF: The video has the repeat flag |
| * @GST_VIDEO_FLAG_ONEFIELD: one field |
| * @GST_VIDEO_FLAG_VARIABLE_FPS: a variable fps is selected, fps_n and fps_d |
| * denote the maximum fps of the video |
| * |
| * Extra video flags |
| */ |
| typedef enum { |
| GST_VIDEO_FLAG_NONE = 0, |
| GST_VIDEO_FLAG_INTERLACED = (1 << 0), |
| GST_VIDEO_FLAG_TFF = (1 << 1), |
| GST_VIDEO_FLAG_RFF = (1 << 2), |
| GST_VIDEO_FLAG_ONEFIELD = (1 << 3), |
| GST_VIDEO_FLAG_VARIABLE_FPS = (1 << 4) |
| } GstVideoFlags; |
| |
| /** |
| * GstVideoChroma: |
| * @GST_VIDEO_CHROMA_SITE_UNKNOWN: unknown cositing |
| * @GST_VIDEO_CHROMA_SITE_NONE: no cositing |
| * @GST_VIDEO_CHROMA_SITE_H_COSITED: chroma is horizontally cosited |
| * @GST_VIDEO_CHROMA_SITE_V_COSITED: chroma is vertically cosited |
| * @GST_VIDEO_CHROMA_SITE_ALT_LINE: choma samples are sited on alternate lines |
| * @GST_VIDEO_CHROMA_SITE_COSITED: chroma samples cosited with luma samples |
| * @GST_VIDEO_CHROMA_SITE_JPEG: jpeg style cositing, also for mpeg1 and mjpeg |
| * @GST_VIDEO_CHROMA_SITE_MPEG2: mpeg2 style cositing |
| * @GST_VIDEO_CHROMA_SITE_DV: DV style cositing |
| * |
| * Various Chroma sitings. |
| */ |
| typedef enum { |
| GST_VIDEO_CHROMA_SITE_UNKNOWN = 0, |
| GST_VIDEO_CHROMA_SITE_NONE = (1 << 0), |
| GST_VIDEO_CHROMA_SITE_H_COSITED = (1 << 1), |
| GST_VIDEO_CHROMA_SITE_V_COSITED = (1 << 2), |
| GST_VIDEO_CHROMA_SITE_ALT_LINE = (1 << 3), |
| /* some common chroma cositing */ |
| GST_VIDEO_CHROMA_SITE_COSITED = (GST_VIDEO_CHROMA_SITE_H_COSITED | GST_VIDEO_CHROMA_SITE_V_COSITED), |
| GST_VIDEO_CHROMA_SITE_JPEG = (GST_VIDEO_CHROMA_SITE_NONE), |
| GST_VIDEO_CHROMA_SITE_MPEG2 = (GST_VIDEO_CHROMA_SITE_H_COSITED), |
| GST_VIDEO_CHROMA_SITE_DV = (GST_VIDEO_CHROMA_SITE_COSITED | GST_VIDEO_CHROMA_SITE_ALT_LINE), |
| } GstVideoChromaSite; |
| |
| /** |
| * GstVideoColorRange: |
| * @GST_VIDEO_COLOR_RANGE_UNKNOWN: unknown range |
| * @GST_VIDEO_COLOR_RANGE_0_255: [0..255] for 8 bit components |
| * @GST_VIDEO_COLOR_RANGE_16_235: [16..235] for 8 bit components. Chroma has |
| * [16..240] range. |
| * |
| * Possible color range values. These constants are defined for 8 bit color |
| * values and can be scaled for other bit depths. |
| */ |
| typedef enum { |
| GST_VIDEO_COLOR_RANGE_UNKNOWN = 0, |
| GST_VIDEO_COLOR_RANGE_0_255, |
| GST_VIDEO_COLOR_RANGE_16_235 |
| } GstVideoColorRange; |
| |
| /** |
| * GstVideoColorMatrix: |
| * @GST_VIDEO_COLOR_MATRIX_UNKNOWN: unknown matrix |
| * @GST_VIDEO_COLOR_MATRIX_RGB: identity matrix |
| * @GST_VIDEO_COLOR_MATRIX_FCC: FCC color matrix |
| * @GST_VIDEO_COLOR_MATRIX_BT709: ITU-R BT.709 color matrix |
| * @GST_VIDEO_COLOR_MATRIX_BT601: ITU-R BT.601 color matrix |
| * @GST_VIDEO_COLOR_MATRIX_SMPTE240M: SMPTE 240M color matrix |
| * |
| * The color matrix is used to convert between Y'PbPr and |
| * non-linear RGB (R'G'B') |
| */ |
| typedef enum { |
| GST_VIDEO_COLOR_MATRIX_UNKNOWN = 0, |
| GST_VIDEO_COLOR_MATRIX_RGB, |
| GST_VIDEO_COLOR_MATRIX_FCC, |
| GST_VIDEO_COLOR_MATRIX_BT709, |
| GST_VIDEO_COLOR_MATRIX_BT601, |
| GST_VIDEO_COLOR_MATRIX_SMPTE240M |
| } GstVideoColorMatrix; |
| |
| /** |
| * GstVideoTransferFunction: |
| * @GST_VIDEO_TRANSFER_UNKNOWN: unknown transfer function |
| * @GST_VIDEO_TRANSFER_GAMMA10: linear RGB, gamma 1.0 curve |
| * @GST_VIDEO_TRANSFER_GAMMA18: Gamma 1.8 curve |
| * @GST_VIDEO_TRANSFER_GAMMA20: Gamma 2.0 curve |
| * @GST_VIDEO_TRANSFER_GAMMA22: Gamma 2.2 curve |
| * @GST_VIDEO_TRANSFER_BT709: Gamma 2.2 curve with a linear segment in the lower |
| * range |
| * @GST_VIDEO_TRANSFER_SMPTE240M: Gamma 2.2 curve with a linear segment in the |
| * lower range |
| * @GST_VIDEO_TRANSFER_SRGB: Gamma 2.4 curve with a linear segment in the lower |
| * range |
| * @GST_VIDEO_TRANSFER_GAMMA28: Gamma 2.8 curve |
| * @GST_VIDEO_TRANSFER_LOG100: Logarithmic transfer characteristic |
| * 100:1 range |
| * @GST_VIDEO_TRANSFER_LOG316: Logarithmic transfer characteristic |
| * 316.22777:1 range |
| * |
| * The video transfer function defines the formula for converting between |
| * non-linear RGB (R'G'B') and linear RGB |
| */ |
| typedef enum { |
| GST_VIDEO_TRANSFER_UNKNOWN = 0, |
| GST_VIDEO_TRANSFER_GAMMA10, |
| GST_VIDEO_TRANSFER_GAMMA18, |
| GST_VIDEO_TRANSFER_GAMMA20, |
| GST_VIDEO_TRANSFER_GAMMA22, |
| GST_VIDEO_TRANSFER_BT709, |
| GST_VIDEO_TRANSFER_SMPTE240M, |
| GST_VIDEO_TRANSFER_SRGB, |
| GST_VIDEO_TRANSFER_GAMMA28, |
| GST_VIDEO_TRANSFER_LOG100, |
| GST_VIDEO_TRANSFER_LOG316 |
| } GstVideoTransferFunction; |
| |
| /** |
| * GstVideoColorPrimaries: |
| * @GST_VIDEO_COLOR_PRIMARIES_UNKNOWN: unknown color primaries |
| * @GST_VIDEO_COLOR_PRIMARIES_BT709: BT709 primaries |
| * @GST_VIDEO_COLOR_PRIMARIES_BT470M: BT470M primaries |
| * @GST_VIDEO_COLOR_PRIMARIES_BT470BG: BT470BG primaries |
| * @GST_VIDEO_COLOR_PRIMARIES_SMPTE170M: SMPTE170M primaries |
| * @GST_VIDEO_COLOR_PRIMARIES_SMPTE240M: SMPTE240M primaries |
| * |
| * The color primaries define the how to transform linear RGB values to and from |
| * the CIE XYZ colorspace. |
| */ |
| typedef enum { |
| GST_VIDEO_COLOR_PRIMARIES_UNKNOWN = 0, |
| GST_VIDEO_COLOR_PRIMARIES_BT709, |
| GST_VIDEO_COLOR_PRIMARIES_BT470M, |
| GST_VIDEO_COLOR_PRIMARIES_BT470BG, |
| GST_VIDEO_COLOR_PRIMARIES_SMPTE170M, |
| GST_VIDEO_COLOR_PRIMARIES_SMPTE240M |
| } GstVideoColorPrimaries; |
| |
| /** |
| * GstVideoColorimetry: |
| * @range: the color range. This is the valid range for the samples. |
| * It is used to convert the samples to Y'PbPr values. |
| * @matrix: the color matrix. Used to convert between Y'PbPr and |
| * non-linear RGB (R'G'B') |
| * @transfer: the transfer function. used to convert between R'G'B' and RGB |
| * @primaries: color primaries. used to convert between R'G'B' and CIE XYZ |
| * |
| * Structure describing the color info. |
| */ |
| typedef struct { |
| GstVideoColorRange range; |
| GstVideoColorMatrix matrix; |
| GstVideoTransferFunction transfer; |
| GstVideoColorPrimaries primaries; |
| } GstVideoColorimetry; |
| |
| /* predefined colorimetry */ |
| #define GST_VIDEO_COLORIMETRY_BT601 "bt601" |
| #define GST_VIDEO_COLORIMETRY_BT709 "bt709" |
| #define GST_VIDEO_COLORIMETRY_SMPTE240M "smpte240m" |
| |
| gboolean gst_video_colorimetry_matches (GstVideoColorimetry *cinfo, const gchar *color); |
| gboolean gst_video_colorimetry_from_string (GstVideoColorimetry *cinfo, const gchar *color); |
| gchar * gst_video_colorimetry_to_string (GstVideoColorimetry *cinfo); |
| |
| /** |
| * GstVideoInfo: |
| * @finfo: the format info of the video |
| * @interlace_mode: the interlace mode |
| * @flags: additional video flags |
| * @width: the width of the video |
| * @height: the height of the video |
| * @views: the number of views for multiview video |
| * @size: the default size of one frame |
| * @chroma_site: a #GstVideoChromaSite. |
| * @colorimetry: the colorimetry info |
| * @palette: a buffer with palette data |
| * @par_n: the pixel-aspect-ratio numerator |
| * @par_d: the pixel-aspect-ratio demnominator |
| * @fps_n: the framerate numerator |
| * @fps_d: the framerate demnominator |
| * @offset: offsets of the planes |
| * @stride: strides of the planes |
| * |
| * Information describing image properties. This information can be filled |
| * in from GstCaps with gst_video_info_from_caps(). The information is also used |
| * to store the specific video info when mapping a video frame with |
| * gst_video_frame_map(). |
| * |
| * Use the provided macros to access the info in this structure. |
| */ |
| struct _GstVideoInfo { |
| const GstVideoFormatInfo *finfo; |
| |
| GstVideoInterlaceMode interlace_mode; |
| GstVideoFlags flags; |
| gint width; |
| gint height; |
| gsize size; |
| gint views; |
| |
| GstVideoChromaSite chroma_site; |
| GstVideoColorimetry colorimetry; |
| |
| GstBuffer *palette; |
| |
| gint par_n; |
| gint par_d; |
| gint fps_n; |
| gint fps_d; |
| |
| gsize offset[GST_VIDEO_MAX_PLANES]; |
| gint stride[GST_VIDEO_MAX_PLANES]; |
| }; |
| |
| /* general info */ |
| #define GST_VIDEO_INFO_FORMAT(i) (GST_VIDEO_FORMAT_INFO_FORMAT((i)->finfo)) |
| #define GST_VIDEO_INFO_NAME(i) (GST_VIDEO_FORMAT_INFO_NAME((i)->finfo)) |
| #define GST_VIDEO_INFO_IS_YUV(i) (GST_VIDEO_FORMAT_INFO_IS_YUV((i)->finfo)) |
| #define GST_VIDEO_INFO_IS_RGB(i) (GST_VIDEO_FORMAT_INFO_IS_RGB((i)->finfo)) |
| #define GST_VIDEO_INFO_IS_GRAY(i) (GST_VIDEO_FORMAT_INFO_IS_GRAY((i)->finfo)) |
| #define GST_VIDEO_INFO_HAS_ALPHA(i) (GST_VIDEO_FORMAT_INFO_HAS_ALPHA((i)->finfo)) |
| |
| #define GST_VIDEO_INFO_INTERLACE_MODE(i) ((i)->interlace_mode) |
| #define GST_VIDEO_INFO_IS_INTERLACED(i) ((i)->interlace_mode != GST_VIDEO_INTERLACE_MODE_PROGRESSIVE) |
| #define GST_VIDEO_INFO_FLAGS(i) ((i)->flags) |
| #define GST_VIDEO_INFO_WIDTH(i) ((i)->width) |
| #define GST_VIDEO_INFO_HEIGHT(i) ((i)->height) |
| #define GST_VIDEO_INFO_SIZE(i) ((i)->size) |
| #define GST_VIDEO_INFO_VIEWS(i) ((i)->views) |
| #define GST_VIDEO_INFO_PAR_N(i) ((i)->par_n) |
| #define GST_VIDEO_INFO_PAR_D(i) ((i)->par_d) |
| #define GST_VIDEO_INFO_FPS_N(i) ((i)->fps_n) |
| #define GST_VIDEO_INFO_FPS_D(i) ((i)->fps_d) |
| |
| /* dealing with GstVideoInfo flags */ |
| #define GST_VIDEO_INFO_FLAG_IS_SET(i,flag) ((GST_VIDEO_INFO_FLAGS(i) & (flag)) == (flag)) |
| #define GST_VIDEO_INFO_FLAG_SET(i,flag) (GST_VIDEO_INFO_FLAGS(i) |= (flag)) |
| #define GST_VIDEO_INFO_FLAG_UNSET(i,flag) (GST_VIDEO_INFO_FLAGS(i) &= ~(flag)) |
| |
| /* dealing with planes */ |
| #define GST_VIDEO_INFO_N_PLANES(i) (GST_VIDEO_FORMAT_INFO_N_PLANES((i)->finfo)) |
| #define GST_VIDEO_INFO_PLANE_OFFSET(i,p) ((i)->offset[p]) |
| #define GST_VIDEO_INFO_PLANE_STRIDE(i,p) ((i)->stride[p]) |
| |
| /* dealing with components */ |
| #define GST_VIDEO_INFO_N_COMPONENTS(i) GST_VIDEO_FORMAT_INFO_N_COMPONENTS((i)->finfo) |
| #define GST_VIDEO_INFO_COMP_DEPTH(i,c) GST_VIDEO_FORMAT_INFO_DEPTH((i)->finfo,(c)) |
| #define GST_VIDEO_INFO_COMP_DATA(i,d,c) GST_VIDEO_FORMAT_INFO_DATA((i)->finfo,d,(c)) |
| #define GST_VIDEO_INFO_COMP_OFFSET(i,c) GST_VIDEO_FORMAT_INFO_OFFSET((i)->finfo,(i)->offset,(c)) |
| #define GST_VIDEO_INFO_COMP_STRIDE(i,c) GST_VIDEO_FORMAT_INFO_STRIDE((i)->finfo,(i)->stride,(c)) |
| #define GST_VIDEO_INFO_COMP_WIDTH(i,c) GST_VIDEO_FORMAT_INFO_SCALE_WIDTH((i)->finfo,(c),(i)->width) |
| #define GST_VIDEO_INFO_COMP_HEIGHT(i,c) GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT((i)->finfo,(c),(i)->height) |
| #define GST_VIDEO_INFO_COMP_PLANE(i,c) GST_VIDEO_FORMAT_INFO_PLANE((i)->finfo,(c)) |
| #define GST_VIDEO_INFO_COMP_PSTRIDE(i,c) GST_VIDEO_FORMAT_INFO_PSTRIDE((i)->finfo,(c)) |
| #define GST_VIDEO_INFO_COMP_POFFSET(i,c) GST_VIDEO_FORMAT_INFO_POFFSET((i)->finfo,(c)) |
| |
| void gst_video_info_init (GstVideoInfo *info); |
| |
| void gst_video_info_set_format (GstVideoInfo *info, GstVideoFormat format, |
| guint width, guint height); |
| |
| gboolean gst_video_info_from_caps (GstVideoInfo *info, const GstCaps * caps); |
| |
| GstCaps * gst_video_info_to_caps (GstVideoInfo *info); |
| |
| gboolean gst_video_info_convert (GstVideoInfo *info, |
| GstFormat src_format, |
| gint64 src_value, |
| GstFormat dest_format, |
| gint64 *dest_value); |
| |
| /** |
| * GstVideoFrame: |
| * @info: the #GstVideoInfo |
| * @buffer: the mapped buffer |
| * @meta: pointer to metadata if any |
| * @id: id of the mapped frame. the id can for example be used to |
| * indentify the frame in case of multiview video. |
| * @data: pointers to the plane data |
| * @map: mappings of the planes |
| * |
| * A video frame obtained from gst_video_frame_map() |
| */ |
| struct _GstVideoFrame { |
| GstVideoInfo info; |
| |
| GstBuffer *buffer; |
| gpointer meta; |
| gint id; |
| |
| gpointer data[GST_VIDEO_MAX_PLANES]; |
| GstMapInfo map[GST_VIDEO_MAX_PLANES]; |
| }; |
| |
| gboolean gst_video_frame_map (GstVideoFrame *frame, GstVideoInfo *info, |
| GstBuffer *buffer, GstMapFlags flags); |
| gboolean gst_video_frame_map_id (GstVideoFrame *frame, GstVideoInfo *info, |
| GstBuffer *buffer, gint id, GstMapFlags flags); |
| void gst_video_frame_unmap (GstVideoFrame *frame); |
| |
| gboolean gst_video_frame_copy (GstVideoFrame *dest, const GstVideoFrame *src); |
| gboolean gst_video_frame_copy_plane (GstVideoFrame *dest, const GstVideoFrame *src, |
| guint plane); |
| |
| /* general info */ |
| #define GST_VIDEO_FRAME_FORMAT(f) (GST_VIDEO_INFO_FORMAT(&(f)->info)) |
| #define GST_VIDEO_FRAME_WIDTH(f) (GST_VIDEO_INFO_WIDTH(&(f)->info)) |
| #define GST_VIDEO_FRAME_HEIGHT(f) (GST_VIDEO_INFO_HEIGHT(&(f)->info)) |
| #define GST_VIDEO_FRAME_SIZE(f) (GST_VIDEO_INFO_SIZE(&(f)->info)) |
| |
| /* dealing with planes */ |
| #define GST_VIDEO_FRAME_N_PLANES(f) (GST_VIDEO_INFO_N_PLANES(&(f)->info)) |
| #define GST_VIDEO_FRAME_PLANE_DATA(f,p) ((f)->data[p]) |
| #define GST_VIDEO_FRAME_PLANE_OFFSET(f,p) (GST_VIDEO_INFO_PLANE_OFFSET(&(f)->info,(p))) |
| #define GST_VIDEO_FRAME_PLANE_STRIDE(f,p) (GST_VIDEO_INFO_PLANE_STRIDE(&(f)->info,(p))) |
| |
| /* dealing with components */ |
| #define GST_VIDEO_FRAME_N_COMPONENTS(f) GST_VIDEO_INFO_N_COMPONENTS(&(f)->info) |
| #define GST_VIDEO_FRAME_COMP_DATA(f,c) GST_VIDEO_INFO_COMP_DATA(&(f)->info,(f)->data,(c)) |
| #define GST_VIDEO_FRAME_COMP_STRIDE(f,c) GST_VIDEO_INFO_COMP_STRIDE(&(f)->info,(c)) |
| #define GST_VIDEO_FRAME_COMP_OFFSET(f,c) GST_VIDEO_INFO_COMP_OFFSET(&(f)->info,(c)) |
| #define GST_VIDEO_FRAME_COMP_WIDTH(f,c) GST_VIDEO_INFO_COMP_WIDTH(&(f)->info,(c)) |
| #define GST_VIDEO_FRAME_COMP_HEIGHT(f,c) GST_VIDEO_INFO_COMP_HEIGHT(&(f)->info,(c)) |
| #define GST_VIDEO_FRAME_COMP_PLANE(f,c) GST_VIDEO_INFO_COMP_PLANE(&(f)->info,(c)) |
| #define GST_VIDEO_FRAME_COMP_PSTRIDE(f,c) GST_VIDEO_INFO_COMP_PSTRIDE(&(f)->info,(c)) |
| #define GST_VIDEO_FRAME_COMP_POFFSET(f,c) GST_VIDEO_INFO_COMP_POFFSET(&(f)->info,(c)) |
| |
| #define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]" |
| #define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]" |
| |
| #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
| # define GST_VIDEO_NE(s) G_STRINGIFY(s)"_LE" |
| # define GST_VIDEO_OE(s) G_STRINGIFY(s)"_BE" |
| #else |
| # define GST_VIDEO_NE(s) G_STRINGIFY(s)"_BE" |
| # define GST_VIDEO_OE(s) G_STRINGIFY(s)"_LE" |
| #endif |
| |
| #define GST_VIDEO_FORMATS_ALL "{ I420, YV12, YUY2, UYVY, AYUV, RGBx, " \ |
| "BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, " \ |
| "YVYU, Y444, v210, v216, NV12, NV21, GRAY8, GRAY16_BE, GRAY16_LE, " \ |
| "v308, Y800, Y16, RGB16, BGR16, RGB15, BGR15, UYVP, A420, " \ |
| "RGB8_PALETTED, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210 }" |
| |
| /** |
| * GST_VIDEO_CAPS_MAKE: |
| * @format: string format that describes the pixel layout, as string |
| * (e.g. "I420", "RGB", "YV12", "YUY2", "AYUV", etc.) |
| * |
| * Generic caps string for video, for use in pad templates. |
| */ |
| #define GST_VIDEO_CAPS_MAKE(format) \ |
| "video/x-raw, " \ |
| "format = (string) " format ", " \ |
| "width = " GST_VIDEO_SIZE_RANGE ", " \ |
| "height = " GST_VIDEO_SIZE_RANGE ", " \ |
| "framerate = " GST_VIDEO_FPS_RANGE |
| |
| /* buffer flags */ |
| |
| /** |
| * GstVideoBufferFlags: |
| * @GST_VIDEO_BUFFER_FLAG_INTERLACED: Mark #GstBuffer as interlaced |
| * @GST_VIDEO_BUFFER_FLAG_TFF: If the #GstBuffer is interlaced, then the first field |
| * in the video frame is the top field. If unset, the |
| * bottom field is first. |
| * @GST_VIDEO_BUFFER_FLAG_RFF: If the #GstBuffer is interlaced, then the first field |
| * (as defined by the %GST_VIDEO_BUFFER_TFF flag setting) |
| * is repeated. |
| * @GST_VIDEO_BUFFER_FLAG_ONEFIELD: If the #GstBuffer is interlaced, then only the |
| * first field (as defined by the %GST_VIDEO_BUFFER_TFF |
| * flag setting) is to be displayed. |
| * |
| * Additional video buffer flags. |
| */ |
| typedef enum { |
| GST_VIDEO_BUFFER_FLAG_INTERLACED = (GST_BUFFER_FLAG_LAST << 0), |
| GST_VIDEO_BUFFER_FLAG_TFF = (GST_BUFFER_FLAG_LAST << 1), |
| GST_VIDEO_BUFFER_FLAG_RFF = (GST_BUFFER_FLAG_LAST << 2), |
| GST_VIDEO_BUFFER_FLAG_ONEFIELD = (GST_BUFFER_FLAG_LAST << 3), |
| |
| GST_VIDEO_BUFFER_FLAG_LAST = (GST_BUFFER_FLAG_LAST << 8) |
| } GstVideoBufferFlags; |
| |
| /* some helper functions */ |
| 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); |
| |
| GstBuffer * gst_video_parse_caps_palette (GstCaps * caps); |
| |
| /* video still frame event creation and parsing */ |
| |
| GstEvent * gst_video_event_new_still_frame (gboolean in_still); |
| |
| gboolean gst_video_event_parse_still_frame (GstEvent * event, gboolean * in_still); |
| |
| /* video force key unit event creation and parsing */ |
| |
| GstEvent * gst_video_event_new_downstream_force_key_unit (GstClockTime timestamp, |
| GstClockTime stream_time, |
| GstClockTime running_time, |
| gboolean all_headers, |
| guint count); |
| |
| gboolean gst_video_event_parse_downstream_force_key_unit (GstEvent * event, |
| GstClockTime * timestamp, |
| GstClockTime * stream_time, |
| GstClockTime * running_time, |
| gboolean * all_headers, |
| guint * count); |
| |
| GstEvent * gst_video_event_new_upstream_force_key_unit (GstClockTime running_time, |
| gboolean all_headers, |
| guint count); |
| |
| gboolean gst_video_event_parse_upstream_force_key_unit (GstEvent * event, |
| GstClockTime * running_time, |
| gboolean * all_headers, |
| guint * count); |
| |
| gboolean gst_video_event_is_force_key_unit(GstEvent *event); |
| |
| /* convert/encode video sample from one format to another */ |
| |
| typedef void (*GstVideoConvertSampleCallback) (GstSample * sample, GError *error, gpointer user_data); |
| |
| void gst_video_convert_sample_async (GstSample * sample, |
| const GstCaps * to_caps, |
| GstClockTime timeout, |
| GstVideoConvertSampleCallback callback, |
| gpointer user_data, |
| GDestroyNotify destroy_notify); |
| |
| GstSample * gst_video_convert_sample (GstSample * sample, |
| const GstCaps * to_caps, |
| GstClockTime timeout, |
| GError ** error); |
| G_END_DECLS |
| |
| #endif /* __GST_VIDEO_H__ */ |
