/* GStreamer * Copyright (C) <1999> Erik Walthinsen * Library <2002> Ronald Bultje * * 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 G_BEGIN_DECLS #include /** * 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_BYTE1_MASK_32 "0xFF000000" #define GST_VIDEO_BYTE2_MASK_32 "0x00FF0000" #define GST_VIDEO_BYTE3_MASK_32 "0x0000FF00" #define GST_VIDEO_BYTE4_MASK_32 "0x000000FF" #define GST_VIDEO_BYTE1_MASK_24 "0x00FF0000" #define GST_VIDEO_BYTE2_MASK_24 "0x0000FF00" #define GST_VIDEO_BYTE3_MASK_24 "0x000000FF" #define GST_VIDEO_BYTE1_MASK_32_INT 0xFF000000 #define GST_VIDEO_BYTE2_MASK_32_INT 0x00FF0000 #define GST_VIDEO_BYTE3_MASK_32_INT 0x0000FF00 #define GST_VIDEO_BYTE4_MASK_32_INT 0x000000FF #define GST_VIDEO_BYTE1_MASK_24_INT 0x00FF0000 #define GST_VIDEO_BYTE2_MASK_24_INT 0x0000FF00 #define GST_VIDEO_BYTE3_MASK_24_INT 0x000000FF #define GST_VIDEO_COMP1_MASK_16 "0xf800" #define GST_VIDEO_COMP2_MASK_16 "0x07e0" #define GST_VIDEO_COMP3_MASK_16 "0x001f" #define GST_VIDEO_COMP1_MASK_15 "0x7c00" #define GST_VIDEO_COMP2_MASK_15 "0x03e0" #define GST_VIDEO_COMP3_MASK_15 "0x001f" #define GST_VIDEO_COMP1_MASK_16_INT 0xf800 #define GST_VIDEO_COMP2_MASK_16_INT 0x07e0 #define GST_VIDEO_COMP3_MASK_16_INT 0x001f #define GST_VIDEO_COMP1_MASK_15_INT 0x7c00 #define GST_VIDEO_COMP2_MASK_15_INT 0x03e0 #define GST_VIDEO_COMP3_MASK_15_INT 0x001f #ifndef GST_DISABLE_DEPRECATED #define GST_VIDEO_RED_MASK_16 GST_VIDEO_COMP1_MASK_16 #define GST_VIDEO_GREEN_MASK_16 GST_VIDEO_COMP2_MASK_16 #define GST_VIDEO_BLUE_MASK_16 GST_VIDEO_COMP3_MASK_16 #define GST_VIDEO_RED_MASK_15 GST_VIDEO_COMP1_MASK_15 #define GST_VIDEO_GREEN_MASK_15 GST_VIDEO_COMP2_MASK_15 #define GST_VIDEO_BLUE_MASK_15 GST_VIDEO_COMP3_MASK_15 #define GST_VIDEO_RED_MASK_16_INT GST_VIDEO_COMP1_MASK_16_INT #define GST_VIDEO_GREEN_MASK_16_INT GST_VIDEO_COMP2_MASK_16_INT #define GST_VIDEO_BLUE_MASK_16_INT GST_VIDEO_COMP3_MASK_16_INT #define GST_VIDEO_RED_MASK_15_INT GST_VIDEO_COMP1_MASK_15_INT #define GST_VIDEO_GREEN_MASK_15_INT GST_VIDEO_COMP2_MASK_15_INT #define GST_VIDEO_BLUE_MASK_15_INT GST_VIDEO_COMP3_MASK_15_INT #endif #define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]" #define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]" /* consider the next 2 protected */ #define __GST_VIDEO_CAPS_MAKE_32A(R, G, B, A) \ "video/x-raw-rgb, " \ "bpp = (int) 32, " \ "depth = (int) 32, " \ "endianness = (int) BIG_ENDIAN, " \ "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \ "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \ "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \ "alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE #define __GST_VIDEO_CAPS_MAKE_32(R, G, B) \ "video/x-raw-rgb, " \ "bpp = (int) 32, " \ "depth = (int) 24, " \ "endianness = (int) BIG_ENDIAN, " \ "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \ "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \ "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE #define __GST_VIDEO_CAPS_MAKE_24(R, G, B) \ "video/x-raw-rgb, " \ "bpp = (int) 24, " \ "depth = (int) 24, " \ "endianness = (int) BIG_ENDIAN, " \ "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_24 ", " \ "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_24 ", " \ "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_24 ", " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE #define __GST_VIDEO_CAPS_MAKE_16(R, G, B) \ "video/x-raw-rgb, " \ "bpp = (int) 16, " \ "depth = (int) 16, " \ "endianness = (int) BYTE_ORDER, " \ "red_mask = (int) " GST_VIDEO_COMP ## R ## _MASK_16 ", " \ "green_mask = (int) " GST_VIDEO_COMP ## G ## _MASK_16 ", " \ "blue_mask = (int) " GST_VIDEO_COMP ## B ## _MASK_16 ", " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE #define __GST_VIDEO_CAPS_MAKE_15(R, G, B) \ "video/x-raw-rgb, " \ "bpp = (int) 16, " \ "depth = (int) 15, " \ "endianness = (int) BYTE_ORDER, " \ "red_mask = (int) " GST_VIDEO_COMP ## R ## _MASK_15 ", " \ "green_mask = (int) " GST_VIDEO_COMP ## G ## _MASK_15 ", " \ "blue_mask = (int) " GST_VIDEO_COMP ## B ## _MASK_15 ", " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE #define __GST_VIDEO_CAPS_MAKE_64A(R, G, B, A) \ "video/x-raw-rgb, " \ "bpp = (int) 64, " \ "depth = (int) 64, " \ "endianness = (int) BIG_ENDIAN, " \ "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \ "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \ "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \ "alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE /* 24 bit */ #define GST_VIDEO_CAPS_RGB \ __GST_VIDEO_CAPS_MAKE_24 (1, 2, 3) #define GST_VIDEO_CAPS_BGR \ __GST_VIDEO_CAPS_MAKE_24 (3, 2, 1) /* 32 bit */ #define GST_VIDEO_CAPS_RGBx \ __GST_VIDEO_CAPS_MAKE_32 (1, 2, 3) #define GST_VIDEO_CAPS_xRGB \ __GST_VIDEO_CAPS_MAKE_32 (2, 3, 4) #define GST_VIDEO_CAPS_BGRx \ __GST_VIDEO_CAPS_MAKE_32 (3, 2, 1) #define GST_VIDEO_CAPS_xBGR \ __GST_VIDEO_CAPS_MAKE_32 (4, 3, 2) /* 32 bit alpha */ #define GST_VIDEO_CAPS_RGBA \ __GST_VIDEO_CAPS_MAKE_32A (1, 2, 3, 4) #define GST_VIDEO_CAPS_ARGB \ __GST_VIDEO_CAPS_MAKE_32A (2, 3, 4, 1) #define GST_VIDEO_CAPS_BGRA \ __GST_VIDEO_CAPS_MAKE_32A (3, 2, 1, 4) #define GST_VIDEO_CAPS_ABGR \ __GST_VIDEO_CAPS_MAKE_32A (4, 3, 2, 1) /* note: the macro name uses the order on BE systems */ #if G_BYTE_ORDER == G_BIG_ENDIAN #define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \ GST_VIDEO_CAPS_xRGB #define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \ GST_VIDEO_CAPS_BGRx #else #define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \ GST_VIDEO_CAPS_BGRx #define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \ GST_VIDEO_CAPS_xRGB #endif /* 15/16 bit */ #define GST_VIDEO_CAPS_RGB_16 \ __GST_VIDEO_CAPS_MAKE_16 (1, 2, 3) #define GST_VIDEO_CAPS_BGR_16 \ __GST_VIDEO_CAPS_MAKE_16 (3, 2, 1) #define GST_VIDEO_CAPS_RGB_15 \ __GST_VIDEO_CAPS_MAKE_15 (1, 2, 3) #define GST_VIDEO_CAPS_BGR_15 \ __GST_VIDEO_CAPS_MAKE_15 (3, 2, 1) /* 30 bit */ #define GST_VIDEO_CAPS_r210 \ "video/x-raw-rgb, " \ "bpp = (int) 32, " \ "depth = (int) 30, " \ "endianness = (int) BIG_ENDIAN, " \ "red_mask = (int) 0x3ff00000, " \ "green_mask = (int) 0x000ffc00, " \ "blue_mask = (int) 0x000003ff, " \ "width = " GST_VIDEO_SIZE_RANGE ", " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = " GST_VIDEO_FPS_RANGE /* 64 bit alpha */ #define GST_VIDEO_CAPS_ARGB_64 \ __GST_VIDEO_CAPS_MAKE_64A (2, 3, 4, 1) /** * GST_VIDEO_CAPS_RGB8_PALETTED: * * Generic caps string for 8-bit paletted RGB video, for use in pad templates. * * Since: 0.10.32 */ #define GST_VIDEO_CAPS_RGB8_PALETTED \ "video/x-raw-rgb, bpp = (int)8, depth = (int)8, " \ "width = "GST_VIDEO_SIZE_RANGE" , " \ "height = " GST_VIDEO_SIZE_RANGE ", " \ "framerate = "GST_VIDEO_FPS_RANGE /** * GST_VIDEO_CAPS_YUV: * @fourcc: YUV fourcc format that describes the pixel layout, as string * (e.g. "I420", "YV12", "YUY2", "AYUV", etc.) * * 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 /** * GstVideoQoSTrackerMethod: * @GST_VIDEO_QOS_TRACKER_2DURATION: * * Enum value describing the algorithm to use to determine when to drop a frame. */ typedef enum { GST_VIDEO_QOS_TRACKER_DIFF, GST_VIDEO_QOS_TRACKER_TWICE_DIFF, } GstVideoQoSTrackerMethod; typedef struct _GstVideoQoSTracker GstVideoQoSTracker; struct _GstVideoQoSTracker { gdouble proportion; GstClockTime timestamp; GstClockTimeDiff diff; GstClockTime earliest_time; guint64 processed; guint64 dropped; GMutex *lock; /* protects the above */ GstElement *element; /*< private >*/ union { gpointer _gst_reserved[GST_PADDING]; } abidata; }; /* 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_fourcc (guint32 fourcc) G_GNUC_CONST; guint32 gst_video_format_to_fourcc (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); /* 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); /* QoS */ void gst_video_qos_tracker_init (GstVideoQoSTracker * qt, GstElement *element); void gst_video_qos_tracker_reset (GstVideoQoSTracker * qt); void gst_video_qos_tracker_update (GstVideoQoSTracker * qt, GstEvent* event, GstClockTime frame_duration, GstVideoQoSTrackerMethod method); gboolean gst_video_qos_tracker_process_frame (GstVideoQoSTracker * qt, const GstSegment *segment, GstClockTime timestamp, GstClockTime duration); void gst_video_qos_tracker_clear (GstVideoQoSTracker * qt); G_END_DECLS #endif /* __GST_VIDEO_H__ */