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1067 lines
45 KiB
C
1067 lines
45 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Library <2002> Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_VIDEO_H__
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#define __GST_VIDEO_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#include <gst/video/video-enumtypes.h>
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/**
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* GstVideoFormat:
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* @GST_VIDEO_FORMAT_UNKNOWN: Unknown or unset video format id
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* @GST_VIDEO_FORMAT_ENCODED: Encoded video format
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* @GST_VIDEO_FORMAT_I420: planar 4:2:0 YUV
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* @GST_VIDEO_FORMAT_YV12: planar 4:2:0 YVU (like I420 but UV planes swapped)
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* @GST_VIDEO_FORMAT_YUY2: packed 4:2:2 YUV (Y0-U0-Y1-V0 Y2-U2-Y3-V2 Y4 ...)
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* @GST_VIDEO_FORMAT_UYVY: packed 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...)
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* @GST_VIDEO_FORMAT_AYUV: packed 4:4:4 YUV with alpha channel (A0-Y0-U0-V0 ...)
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* @GST_VIDEO_FORMAT_RGBx: sparse rgb packed into 32 bit, space last
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* @GST_VIDEO_FORMAT_BGRx: sparse reverse rgb packed into 32 bit, space last
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* @GST_VIDEO_FORMAT_xRGB: sparse rgb packed into 32 bit, space first
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* @GST_VIDEO_FORMAT_xBGR: sparse reverse rgb packed into 32 bit, space first
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* @GST_VIDEO_FORMAT_RGBA: rgb with alpha channel last
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* @GST_VIDEO_FORMAT_BGRA: reverse rgb with alpha channel last
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* @GST_VIDEO_FORMAT_ARGB: rgb with alpha channel first
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* @GST_VIDEO_FORMAT_ABGR: reverse rgb with alpha channel first
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* @GST_VIDEO_FORMAT_RGB: rgb
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* @GST_VIDEO_FORMAT_BGR: reverse rgb
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* @GST_VIDEO_FORMAT_Y41B: planar 4:1:1 YUV (Since: 0.10.18)
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* @GST_VIDEO_FORMAT_Y42B: planar 4:2:2 YUV (Since: 0.10.18)
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* @GST_VIDEO_FORMAT_YVYU: packed 4:2:2 YUV (Y0-V0-Y1-U0 Y2-V2-Y3-U2 Y4 ...) (Since: 0.10.23)
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* @GST_VIDEO_FORMAT_Y444: planar 4:4:4 YUV (Since: 0.10.24)
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* @GST_VIDEO_FORMAT_v210: packed 4:2:2 10-bit YUV, complex format (Since: 0.10.24)
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* @GST_VIDEO_FORMAT_v216: packed 4:2:2 16-bit YUV, Y0-U0-Y1-V1 order (Since: 0.10.24)
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* @GST_VIDEO_FORMAT_NV12: planar 4:2:0 YUV with interleaved UV plane (Since: 0.10.26)
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* @GST_VIDEO_FORMAT_NV21: planar 4:2:0 YUV with interleaved VU plane (Since: 0.10.26)
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* @GST_VIDEO_FORMAT_GRAY8: 8-bit grayscale (Since: 0.10.29)
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* @GST_VIDEO_FORMAT_GRAY16_BE: 16-bit grayscale, most significant byte first (Since: 0.10.29)
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* @GST_VIDEO_FORMAT_GRAY16_LE: 16-bit grayscale, least significant byte first (Since: 0.10.29)
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* @GST_VIDEO_FORMAT_v308: packed 4:4:4 YUV (Since: 0.10.29)
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* @GST_VIDEO_FORMAT_Y800: same as GST_VIDEO_FORMAT_GRAY8 (Since: 0.10.30)
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* @GST_VIDEO_FORMAT_Y16: same as GST_VIDEO_FORMAT_GRAY16_LE (Since: 0.10.30)
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* @GST_VIDEO_FORMAT_RGB16: rgb 5-6-5 bits per component (Since: 0.10.30)
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* @GST_VIDEO_FORMAT_BGR16: reverse rgb 5-6-5 bits per component (Since: 0.10.30)
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* @GST_VIDEO_FORMAT_RGB15: rgb 5-5-5 bits per component (Since: 0.10.30)
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* @GST_VIDEO_FORMAT_BGR15: reverse rgb 5-5-5 bits per component (Since: 0.10.30)
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* @GST_VIDEO_FORMAT_UYVP: packed 10-bit 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) (Since: 0.10.31)
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* @GST_VIDEO_FORMAT_A420: planar 4:4:2:0 AYUV (Since: 0.10.31)
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* @GST_VIDEO_FORMAT_RGB8_PALETTED: 8-bit paletted RGB (Since: 0.10.32)
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* @GST_VIDEO_FORMAT_YUV9: planar 4:1:0 YUV (Since: 0.10.32)
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* @GST_VIDEO_FORMAT_YVU9: planar 4:1:0 YUV (like YUV9 but UV planes swapped) (Since: 0.10.32)
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* @GST_VIDEO_FORMAT_IYU1: packed 4:1:1 YUV (Cb-Y0-Y1-Cr-Y2-Y3 ...) (Since: 0.10.32)
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* @GST_VIDEO_FORMAT_ARGB64: rgb with alpha channel first, 16 bits per channel (Since: 0.10.33)
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* @GST_VIDEO_FORMAT_AYUV64: packed 4:4:4 YUV with alpha channel, 16 bits per channel (A0-Y0-U0-V0 ...) (Since: 0.10.33)
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* @GST_VIDEO_FORMAT_r210: packed 4:4:4 RGB, 10 bits per channel (Since: 0.10.33)
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*
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* Enum value describing the most common video formats.
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*/
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typedef enum {
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GST_VIDEO_FORMAT_UNKNOWN,
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GST_VIDEO_FORMAT_I420,
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GST_VIDEO_FORMAT_YV12,
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GST_VIDEO_FORMAT_YUY2,
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GST_VIDEO_FORMAT_UYVY,
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GST_VIDEO_FORMAT_AYUV,
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GST_VIDEO_FORMAT_RGBx,
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GST_VIDEO_FORMAT_BGRx,
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GST_VIDEO_FORMAT_xRGB,
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GST_VIDEO_FORMAT_xBGR,
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GST_VIDEO_FORMAT_RGBA,
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GST_VIDEO_FORMAT_BGRA,
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GST_VIDEO_FORMAT_ARGB,
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GST_VIDEO_FORMAT_ABGR,
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GST_VIDEO_FORMAT_RGB,
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GST_VIDEO_FORMAT_BGR,
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GST_VIDEO_FORMAT_Y41B,
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GST_VIDEO_FORMAT_Y42B,
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GST_VIDEO_FORMAT_YVYU,
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GST_VIDEO_FORMAT_Y444,
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GST_VIDEO_FORMAT_v210,
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GST_VIDEO_FORMAT_v216,
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GST_VIDEO_FORMAT_NV12,
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GST_VIDEO_FORMAT_NV21,
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GST_VIDEO_FORMAT_GRAY8,
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GST_VIDEO_FORMAT_GRAY16_BE,
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GST_VIDEO_FORMAT_GRAY16_LE,
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GST_VIDEO_FORMAT_v308,
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GST_VIDEO_FORMAT_Y800,
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GST_VIDEO_FORMAT_Y16,
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GST_VIDEO_FORMAT_RGB16,
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GST_VIDEO_FORMAT_BGR16,
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GST_VIDEO_FORMAT_RGB15,
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GST_VIDEO_FORMAT_BGR15,
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GST_VIDEO_FORMAT_UYVP,
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GST_VIDEO_FORMAT_A420,
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GST_VIDEO_FORMAT_RGB8_PALETTED,
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GST_VIDEO_FORMAT_YUV9,
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GST_VIDEO_FORMAT_YVU9,
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GST_VIDEO_FORMAT_IYU1,
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GST_VIDEO_FORMAT_ARGB64,
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GST_VIDEO_FORMAT_AYUV64,
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GST_VIDEO_FORMAT_r210,
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GST_VIDEO_FORMAT_ENCODED
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} GstVideoFormat;
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#define GST_VIDEO_BYTE1_MASK_32 "0xFF000000"
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#define GST_VIDEO_BYTE2_MASK_32 "0x00FF0000"
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#define GST_VIDEO_BYTE3_MASK_32 "0x0000FF00"
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#define GST_VIDEO_BYTE4_MASK_32 "0x000000FF"
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#define GST_VIDEO_BYTE1_MASK_24 "0x00FF0000"
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#define GST_VIDEO_BYTE2_MASK_24 "0x0000FF00"
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#define GST_VIDEO_BYTE3_MASK_24 "0x000000FF"
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#define GST_VIDEO_BYTE1_MASK_32_INT 0xFF000000
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#define GST_VIDEO_BYTE2_MASK_32_INT 0x00FF0000
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#define GST_VIDEO_BYTE3_MASK_32_INT 0x0000FF00
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#define GST_VIDEO_BYTE4_MASK_32_INT 0x000000FF
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#define GST_VIDEO_BYTE1_MASK_24_INT 0x00FF0000
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#define GST_VIDEO_BYTE2_MASK_24_INT 0x0000FF00
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#define GST_VIDEO_BYTE3_MASK_24_INT 0x000000FF
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#define GST_VIDEO_COMP1_MASK_16 "0xf800"
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#define GST_VIDEO_COMP2_MASK_16 "0x07e0"
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#define GST_VIDEO_COMP3_MASK_16 "0x001f"
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#define GST_VIDEO_COMP1_MASK_15 "0x7c00"
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#define GST_VIDEO_COMP2_MASK_15 "0x03e0"
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#define GST_VIDEO_COMP3_MASK_15 "0x001f"
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#define GST_VIDEO_COMP1_MASK_16_INT 0xf800
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#define GST_VIDEO_COMP2_MASK_16_INT 0x07e0
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#define GST_VIDEO_COMP3_MASK_16_INT 0x001f
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#define GST_VIDEO_COMP1_MASK_15_INT 0x7c00
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#define GST_VIDEO_COMP2_MASK_15_INT 0x03e0
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#define GST_VIDEO_COMP3_MASK_15_INT 0x001f
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#ifndef GST_DISABLE_DEPRECATED
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#define GST_VIDEO_RED_MASK_16 GST_VIDEO_COMP1_MASK_16
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#define GST_VIDEO_GREEN_MASK_16 GST_VIDEO_COMP2_MASK_16
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#define GST_VIDEO_BLUE_MASK_16 GST_VIDEO_COMP3_MASK_16
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#define GST_VIDEO_RED_MASK_15 GST_VIDEO_COMP1_MASK_15
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#define GST_VIDEO_GREEN_MASK_15 GST_VIDEO_COMP2_MASK_15
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#define GST_VIDEO_BLUE_MASK_15 GST_VIDEO_COMP3_MASK_15
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#define GST_VIDEO_RED_MASK_16_INT GST_VIDEO_COMP1_MASK_16_INT
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#define GST_VIDEO_GREEN_MASK_16_INT GST_VIDEO_COMP2_MASK_16_INT
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#define GST_VIDEO_BLUE_MASK_16_INT GST_VIDEO_COMP3_MASK_16_INT
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#define GST_VIDEO_RED_MASK_15_INT GST_VIDEO_COMP1_MASK_15_INT
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#define GST_VIDEO_GREEN_MASK_15_INT GST_VIDEO_COMP2_MASK_15_INT
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#define GST_VIDEO_BLUE_MASK_15_INT GST_VIDEO_COMP3_MASK_15_INT
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#endif
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#define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]"
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#define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]"
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/* consider the next 2 protected */
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#define __GST_VIDEO_CAPS_MAKE_32A(R, G, B, A) \
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"video/x-raw-rgb, " \
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"bpp = (int) 32, " \
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"depth = (int) 32, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
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"alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_32(R, G, B) \
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"video/x-raw-rgb, " \
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"bpp = (int) 32, " \
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"depth = (int) 24, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_24(R, G, B) \
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"video/x-raw-rgb, " \
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"bpp = (int) 24, " \
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"depth = (int) 24, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_24 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_24 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_24 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_16(R, G, B) \
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"video/x-raw-rgb, " \
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"bpp = (int) 16, " \
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"depth = (int) 16, " \
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"endianness = (int) BYTE_ORDER, " \
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"red_mask = (int) " GST_VIDEO_COMP ## R ## _MASK_16 ", " \
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"green_mask = (int) " GST_VIDEO_COMP ## G ## _MASK_16 ", " \
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"blue_mask = (int) " GST_VIDEO_COMP ## B ## _MASK_16 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_15(R, G, B) \
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"video/x-raw-rgb, " \
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"bpp = (int) 16, " \
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"depth = (int) 15, " \
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"endianness = (int) BYTE_ORDER, " \
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"red_mask = (int) " GST_VIDEO_COMP ## R ## _MASK_15 ", " \
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"green_mask = (int) " GST_VIDEO_COMP ## G ## _MASK_15 ", " \
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"blue_mask = (int) " GST_VIDEO_COMP ## B ## _MASK_15 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_64A(R, G, B, A) \
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"video/x-raw-rgb, " \
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"bpp = (int) 64, " \
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"depth = (int) 64, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
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"alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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/* 24 bit */
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#define GST_VIDEO_CAPS_RGB \
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__GST_VIDEO_CAPS_MAKE_24 (1, 2, 3)
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#define GST_VIDEO_CAPS_BGR \
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__GST_VIDEO_CAPS_MAKE_24 (3, 2, 1)
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/* 32 bit */
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#define GST_VIDEO_CAPS_RGBx \
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__GST_VIDEO_CAPS_MAKE_32 (1, 2, 3)
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#define GST_VIDEO_CAPS_xRGB \
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__GST_VIDEO_CAPS_MAKE_32 (2, 3, 4)
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#define GST_VIDEO_CAPS_BGRx \
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__GST_VIDEO_CAPS_MAKE_32 (3, 2, 1)
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#define GST_VIDEO_CAPS_xBGR \
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__GST_VIDEO_CAPS_MAKE_32 (4, 3, 2)
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/* 32 bit alpha */
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#define GST_VIDEO_CAPS_RGBA \
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__GST_VIDEO_CAPS_MAKE_32A (1, 2, 3, 4)
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#define GST_VIDEO_CAPS_ARGB \
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__GST_VIDEO_CAPS_MAKE_32A (2, 3, 4, 1)
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#define GST_VIDEO_CAPS_BGRA \
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__GST_VIDEO_CAPS_MAKE_32A (3, 2, 1, 4)
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#define GST_VIDEO_CAPS_ABGR \
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__GST_VIDEO_CAPS_MAKE_32A (4, 3, 2, 1)
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/* note: the macro name uses the order on BE systems */
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
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GST_VIDEO_CAPS_xRGB
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#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
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GST_VIDEO_CAPS_BGRx
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#else
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#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
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GST_VIDEO_CAPS_BGRx
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#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
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GST_VIDEO_CAPS_xRGB
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#endif
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/* 15/16 bit */
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#define GST_VIDEO_CAPS_RGB_16 \
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__GST_VIDEO_CAPS_MAKE_16 (1, 2, 3)
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#define GST_VIDEO_CAPS_BGR_16 \
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__GST_VIDEO_CAPS_MAKE_16 (3, 2, 1)
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#define GST_VIDEO_CAPS_RGB_15 \
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__GST_VIDEO_CAPS_MAKE_15 (1, 2, 3)
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#define GST_VIDEO_CAPS_BGR_15 \
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__GST_VIDEO_CAPS_MAKE_15 (3, 2, 1)
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/* 30 bit */
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#define GST_VIDEO_CAPS_r210 \
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"video/x-raw-rgb, " \
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"bpp = (int) 32, " \
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"depth = (int) 30, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) 0x3ff00000, " \
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"green_mask = (int) 0x000ffc00, " \
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"blue_mask = (int) 0x000003ff, " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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/* 64 bit alpha */
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#define GST_VIDEO_CAPS_ARGB_64 \
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__GST_VIDEO_CAPS_MAKE_64A (2, 3, 4, 1)
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/**
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* GST_VIDEO_CAPS_RGB8_PALETTED:
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*
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* Generic caps string for 8-bit paletted RGB video, for use in pad templates.
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*
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* Since: 0.10.32
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*/
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#define GST_VIDEO_CAPS_RGB8_PALETTED \
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"video/x-raw-rgb, bpp = (int)8, depth = (int)8, " \
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"width = "GST_VIDEO_SIZE_RANGE" , " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = "GST_VIDEO_FPS_RANGE
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/**
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* GST_VIDEO_CAPS_YUV:
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* @fourcc: YUV fourcc format that describes the pixel layout, as string
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* (e.g. "I420", "YV12", "YUY2", "AYUV", etc.)
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*
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* Generic caps string for YUV video, for use in pad templates.
|
|
*/
|
|
#define GST_VIDEO_CAPS_YUV(fourcc) \
|
|
"video/x-raw-yuv, " \
|
|
"format = (fourcc) " fourcc ", " \
|
|
"width = " GST_VIDEO_SIZE_RANGE ", " \
|
|
"height = " GST_VIDEO_SIZE_RANGE ", " \
|
|
"framerate = " GST_VIDEO_FPS_RANGE
|
|
|
|
/**
|
|
* GST_VIDEO_CAPS_GRAY8:
|
|
*
|
|
* Generic caps string for 8-bit grayscale video, for use in pad templates.
|
|
*
|
|
* Since: 0.10.29
|
|
*/
|
|
#define GST_VIDEO_CAPS_GRAY8 \
|
|
"video/x-raw-gray, " \
|
|
"bpp = (int) 8, " \
|
|
"depth = (int) 8, " \
|
|
"width = " GST_VIDEO_SIZE_RANGE ", " \
|
|
"height = " GST_VIDEO_SIZE_RANGE ", " \
|
|
"framerate = " GST_VIDEO_FPS_RANGE
|
|
|
|
/**
|
|
* GST_VIDEO_CAPS_GRAY16:
|
|
* @endianness: endianness as string, ie. either "1234", "4321", "BIG_ENDIAN"
|
|
* or "LITTLE_ENDIAN"
|
|
*
|
|
* Generic caps string for 16-bit grayscale video, for use in pad templates.
|
|
*
|
|
* Since: 0.10.29
|
|
*/
|
|
#define GST_VIDEO_CAPS_GRAY16(endianness) \
|
|
"video/x-raw-gray, " \
|
|
"bpp = (int) 16, " \
|
|
"depth = (int) 16, " \
|
|
"endianness = (int) " endianness ", " \
|
|
"width = " GST_VIDEO_SIZE_RANGE ", " \
|
|
"height = " GST_VIDEO_SIZE_RANGE ", " \
|
|
"framerate = " GST_VIDEO_FPS_RANGE
|
|
|
|
/* buffer flags */
|
|
|
|
/**
|
|
* GST_VIDEO_BUFFER_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.
|
|
*
|
|
* Since: 0.10.23
|
|
*/
|
|
#define GST_VIDEO_BUFFER_TFF GST_BUFFER_FLAG_MEDIA1
|
|
|
|
/**
|
|
* GST_VIDEO_BUFFER_RFF:
|
|
*
|
|
* If the #GstBuffer is interlaced, then the first field (as defined by the
|
|
* %GST_VIDEO_BUFFER_TFF flag setting) is repeated.
|
|
*
|
|
* Since: 0.10.23
|
|
*/
|
|
#define GST_VIDEO_BUFFER_RFF GST_BUFFER_FLAG_MEDIA2
|
|
|
|
/**
|
|
* GST_VIDEO_BUFFER_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.
|
|
*
|
|
* Since: 0.10.23
|
|
*/
|
|
#define GST_VIDEO_BUFFER_ONEFIELD GST_BUFFER_FLAG_MEDIA3
|
|
|
|
/**
|
|
* GST_VIDEO_BUFFER_PROGRESSIVE:
|
|
*
|
|
* If the #GstBuffer is telecined, then the buffer is progressive if the
|
|
* %GST_VIDEO_BUFFER_PROGRESSIVE flag is set, else it is telecine mixed.
|
|
*
|
|
* Since: 0.10.33
|
|
*/
|
|
#define GST_VIDEO_BUFFER_PROGRESSIVE GST_BUFFER_FLAG_MEDIA4
|
|
|
|
/* Backported from 0.11 */
|
|
|
|
#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_IS_COMPLEX(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_COMPLEX)
|
|
|
|
#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])
|
|
|
|
#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])
|
|
|
|
typedef struct _GstVideoInfo GstVideoInfo;
|
|
|
|
const GstVideoFormatInfo *
|
|
gst_video_format_get_info (GstVideoFormat format) G_GNUC_CONST;
|
|
/**
|
|
* 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.
|
|
*
|
|
* 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
|
|
} GstVideoInterlaceMode;
|
|
|
|
/**
|
|
* GstVideoFlags:
|
|
* @GST_VIDEO_FLAG_NONE: no flags
|
|
* @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_VARIABLE_FPS = (1 << 1)
|
|
} 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
|
|
* @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;
|
|
|
|
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_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_BITS(i,c) GST_VIDEO_FORMAT_INFO_BITS((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);
|
|
gboolean gst_video_info_is_equal (const GstVideoInfo *info,
|
|
const GstVideoInfo *other);
|
|
/* functions */
|
|
|
|
const GValue * gst_video_frame_rate (GstPad * pad);
|
|
|
|
gboolean gst_video_get_size (GstPad * pad,
|
|
gint * width,
|
|
gint * height);
|
|
|
|
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);
|
|
|
|
gboolean gst_video_format_parse_caps (const GstCaps * caps,
|
|
GstVideoFormat * format,
|
|
int * width,
|
|
int * height);
|
|
|
|
gboolean gst_video_format_parse_caps_interlaced (GstCaps * caps,
|
|
gboolean * interlaced);
|
|
|
|
|
|
gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps * caps,
|
|
int * par_n,
|
|
int * par_d);
|
|
|
|
gboolean gst_video_parse_caps_framerate (GstCaps * caps,
|
|
int * fps_n,
|
|
int * fps_d);
|
|
|
|
const char * gst_video_parse_caps_color_matrix (GstCaps * caps);
|
|
|
|
const char * gst_video_parse_caps_chroma_site (GstCaps * caps);
|
|
|
|
GstBuffer * gst_video_parse_caps_palette (GstCaps * caps);
|
|
|
|
/* create caps given format and details */
|
|
|
|
GstCaps * gst_video_format_new_caps (GstVideoFormat format,
|
|
int width, int height,
|
|
int framerate_n,
|
|
int framerate_d,
|
|
int par_n, int par_d);
|
|
|
|
GstCaps * gst_video_format_new_caps_interlaced (GstVideoFormat format,
|
|
int width, int height,
|
|
int framerate_n,
|
|
int framerate_d,
|
|
int par_n, int par_d,
|
|
gboolean interlaced);
|
|
|
|
GstCaps * gst_video_format_new_template_caps (GstVideoFormat format);
|
|
|
|
/* 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;
|
|
|
|
guint32 gst_video_format_to_fourcc (GstVideoFormat format) G_GNUC_CONST;
|
|
|
|
const gchar * gst_video_format_to_string (GstVideoFormat format) G_GNUC_CONST;
|
|
|
|
gboolean gst_video_format_is_rgb (GstVideoFormat format) G_GNUC_CONST;
|
|
|
|
gboolean gst_video_format_is_yuv (GstVideoFormat format) G_GNUC_CONST;
|
|
|
|
gboolean gst_video_format_is_gray (GstVideoFormat format) G_GNUC_CONST;
|
|
|
|
gboolean gst_video_format_has_alpha (GstVideoFormat format) G_GNUC_CONST;
|
|
|
|
|
|
int gst_video_format_get_component_depth (GstVideoFormat format,
|
|
int component) G_GNUC_CONST;
|
|
|
|
int gst_video_format_get_row_stride (GstVideoFormat format,
|
|
int component,
|
|
int width) G_GNUC_CONST;
|
|
|
|
int gst_video_format_get_pixel_stride (GstVideoFormat format,
|
|
int component) G_GNUC_CONST;
|
|
|
|
int gst_video_format_get_component_width (GstVideoFormat format,
|
|
int component,
|
|
int width) G_GNUC_CONST;
|
|
|
|
int gst_video_format_get_component_height (GstVideoFormat format,
|
|
int component,
|
|
int height) G_GNUC_CONST;
|
|
|
|
int gst_video_format_get_component_offset (GstVideoFormat format,
|
|
int component,
|
|
int width,
|
|
int height) G_GNUC_CONST;
|
|
|
|
int gst_video_format_get_size (GstVideoFormat format,
|
|
int width,
|
|
int height) G_GNUC_CONST;
|
|
|
|
gboolean gst_video_get_size_from_caps (const GstCaps * caps, gint * size);
|
|
|
|
gboolean gst_video_format_convert (GstVideoFormat format,
|
|
int width,
|
|
int height,
|
|
int fps_n,
|
|
int fps_d,
|
|
GstFormat src_format,
|
|
gint64 src_value,
|
|
GstFormat dest_format,
|
|
gint64 * dest_value);
|
|
|
|
/* 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 streamtime,
|
|
GstClockTime runningtime,
|
|
gboolean all_headers,
|
|
guint count);
|
|
|
|
gboolean gst_video_event_parse_downstream_force_key_unit (GstEvent * event,
|
|
GstClockTime * timestamp,
|
|
GstClockTime * streamtime,
|
|
GstClockTime * runningtime,
|
|
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 frame from one format to another */
|
|
|
|
typedef void (*GstVideoConvertFrameCallback) (GstBuffer * buf, GError *error, gpointer user_data);
|
|
|
|
void gst_video_convert_frame_async (GstBuffer * buf,
|
|
const GstCaps * to_caps,
|
|
GstClockTime timeout,
|
|
GstVideoConvertFrameCallback callback,
|
|
gpointer user_data,
|
|
GDestroyNotify destroy_notify);
|
|
|
|
GstBuffer * gst_video_convert_frame (GstBuffer * buf,
|
|
const GstCaps * to_caps,
|
|
GstClockTime timeout,
|
|
GError ** error);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_H__ */
|