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36711ab477
Add a new video event to mark the start or end of a still-frame sequence, and a parser function to identify and extract info from such events. API: gst_video_event_new_still_frame() API: gst_video_event_parse_still_frame() Fixes: #601942
325 lines
13 KiB
C
325 lines
13 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_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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*
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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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} 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_RED_MASK_16 "0xf800"
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#define GST_VIDEO_GREEN_MASK_16 "0x07e0"
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#define GST_VIDEO_BLUE_MASK_16 "0x001f"
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#define GST_VIDEO_RED_MASK_15 "0x7c00"
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#define GST_VIDEO_GREEN_MASK_15 "0x03e0"
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#define GST_VIDEO_BLUE_MASK_15 "0x001f"
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#define GST_VIDEO_RED_MASK_16_INT 0xf800
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#define GST_VIDEO_GREEN_MASK_16_INT 0x07e0
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#define GST_VIDEO_BLUE_MASK_16_INT 0x001f
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#define GST_VIDEO_RED_MASK_15_INT 0x7c00
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#define GST_VIDEO_GREEN_MASK_15_INT 0x03e0
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#define GST_VIDEO_BLUE_MASK_15_INT 0x001f
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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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/* 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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"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_RED_MASK_16 ", " \
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"green_mask = (int) " GST_VIDEO_GREEN_MASK_16 ", " \
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"blue_mask = (int) " GST_VIDEO_BLUE_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_RGB_15 \
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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_RED_MASK_15 ", " \
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"green_mask = (int) " GST_VIDEO_GREEN_MASK_15 ", " \
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"blue_mask = (int) " GST_VIDEO_BLUE_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_YUV(fourcc) \
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"video/x-raw-yuv, " \
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"format = (fourcc) " fourcc ", " \
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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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/* buffer flags */
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/**
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* GST_VIDEO_BUFFER_TFF:
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*
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* If the #GstBuffer is interlaced, then the first field in the video frame is
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* the top field. If unset, the bottom field is first.
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*
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* Since: 0.10.23
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*/
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#define GST_VIDEO_BUFFER_TFF GST_BUFFER_FLAG_MEDIA1
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/**
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* GST_VIDEO_BUFFER_RFF:
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*
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* If the #GstBuffer is interlaced, then the first field (as defined by the
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* %GST_VIDEO_BUFFER_TFF flag setting) is repeated.
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*
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* Since: 0.10.23
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*/
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#define GST_VIDEO_BUFFER_RFF GST_BUFFER_FLAG_MEDIA2
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/**
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* GST_VIDEO_BUFFER_ONEFIELD:
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*
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* If the #GstBuffer is interlaced, then only the first field (as defined by the
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* %GST_VIDEO_BUFFER_TFF flag setting) is to be displayed.
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*
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* Since: 0.10.23
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*/
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#define GST_VIDEO_BUFFER_ONEFIELD GST_BUFFER_FLAG_MEDIA3
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/* functions */
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const GValue *gst_video_frame_rate (GstPad *pad);
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gboolean gst_video_get_size (GstPad *pad,
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gint *width,
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gint *height);
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gboolean gst_video_calculate_display_ratio (guint *dar_n, guint *dar_d,
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guint video_width, guint video_height,
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guint video_par_n, guint video_par_d,
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guint display_par_n, guint display_par_d);
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gboolean gst_video_format_parse_caps (GstCaps *caps, GstVideoFormat *format,
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int *width, int *height);
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gboolean gst_video_format_parse_caps_interlaced (GstCaps *caps, gboolean *interlaced);
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gboolean gst_video_parse_caps_framerate (GstCaps *caps,
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int *fps_n, int *fps_d);
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gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps *caps,
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int *par_n, int *par_d);
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GstCaps * gst_video_format_new_caps (GstVideoFormat format,
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int width, int height, int framerate_n, int framerate_d,
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int par_n, int par_d);
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GstCaps * gst_video_format_new_caps_interlaced (GstVideoFormat format,
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int width, int height, int framerate_n, int framerate_d,
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int par_n, int par_d, gboolean interlaced);
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GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc);
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guint32 gst_video_format_to_fourcc (GstVideoFormat format);
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gboolean gst_video_format_is_rgb (GstVideoFormat format);
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gboolean gst_video_format_is_yuv (GstVideoFormat format);
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gboolean gst_video_format_has_alpha (GstVideoFormat format);
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int gst_video_format_get_row_stride (GstVideoFormat format, int component,
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int width);
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int gst_video_format_get_pixel_stride (GstVideoFormat format, int component);
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int gst_video_format_get_component_width (GstVideoFormat format, int component,
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int width);
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int gst_video_format_get_component_height (GstVideoFormat format, int component,
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int height);
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int gst_video_format_get_component_offset (GstVideoFormat format, int component,
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int width, int height);
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int gst_video_format_get_size (GstVideoFormat format, int width, int height);
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gboolean gst_video_format_convert (GstVideoFormat format, int width, int height,
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int fps_n, int fps_d,
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GstFormat src_format, gint64 src_value,
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GstFormat dest_format, gint64 * dest_value);
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GstEvent *gst_video_event_new_still_frame (gboolean in_still);
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gboolean gst_video_event_parse_still_frame (GstEvent *event, gboolean *in_still);
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G_END_DECLS
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#endif /* __GST_VIDEO_H__ */
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