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Data Structures | Macros | Functions | Variables
xv.c File Reference

XVideo output device. More...

#include <X11/Xlib.h>
#include <X11/extensions/Xv.h>
#include <X11/extensions/XShm.h>
#include <X11/extensions/Xvlib.h>
#include <sys/shm.h>
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "libavformat/internal.h"
#include "avdevice.h"

Go to the source code of this file.

Data Structures

struct  XVContext
 
struct  XVTagFormatMap
 

Macros

#define OFFSET(x)   offsetof(XVContext, x)
 

Functions

static int xv_get_tag_from_format (enum AVPixelFormat format)
 
static int xv_write_trailer (AVFormatContext *s)
 
static int xv_write_header (AVFormatContext *s)
 
static void compute_display_area (AVFormatContext *s)
 
static int xv_repaint (AVFormatContext *s)
 
static int write_picture (AVFormatContext *s, AVPicture *pict)
 
static int xv_write_packet (AVFormatContext *s, AVPacket *pkt)
 
static int xv_write_frame (AVFormatContext *s, int stream_index, AVFrame **frame, unsigned flags)
 
static int xv_control_message (AVFormatContext *s, int type, void *data, size_t data_size)
 

Variables

static XVTagFormatMap tag_codec_map []
 
static const AVOption options []
 
static const AVClass xv_class
 
AVOutputFormat ff_xv_muxer
 

Detailed Description

XVideo output device.

TODO:

Definition in file xv.c.

Macro Definition Documentation

#define OFFSET (   x)    offsetof(XVContext, x)

Definition at line 350 of file xv.c.

Function Documentation

static int xv_get_tag_from_format ( enum AVPixelFormat  format)
static

Definition at line 77 of file xv.c.

Referenced by xv_write_header().

static int xv_write_trailer ( AVFormatContext s)
static

Definition at line 88 of file xv.c.

Referenced by xv_write_header().

static int xv_write_header ( AVFormatContext s)
static

Definition at line 103 of file xv.c.

static void compute_display_area ( AVFormatContext s)
static

Definition at line 226 of file xv.c.

Referenced by xv_repaint().

static int xv_repaint ( AVFormatContext s)
static

Definition at line 256 of file xv.c.

Referenced by write_picture(), and xv_control_message().

static int write_picture ( AVFormatContext s,
AVPicture pict 
)
static

Definition at line 294 of file xv.c.

Referenced by xv_write_frame(), and xv_write_packet().

static int xv_write_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 321 of file xv.c.

static int xv_write_frame ( AVFormatContext s,
int  stream_index,
AVFrame **  frame,
unsigned  flags 
)
static

Definition at line 330 of file xv.c.

static int xv_control_message ( AVFormatContext s,
int  type,
void data,
size_t  data_size 
)
static

Definition at line 339 of file xv.c.

Variable Documentation

XVTagFormatMap tag_codec_map[]
static
Initial value:
= {
{ MKTAG('I','4','2','0'), AV_PIX_FMT_YUV420P },
{ MKTAG('U','Y','V','Y'), AV_PIX_FMT_UYVY422 },
{ MKTAG('Y','U','Y','2'), AV_PIX_FMT_YUYV422 },
}

Definition at line 70 of file xv.c.

Referenced by xv_get_tag_from_format().

const AVOption options[]
static
Initial value:
= {
{ "display_name", "set display name", OFFSET(display_name), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_id", "set existing window id", OFFSET(window_id), AV_OPT_TYPE_INT64, {.i64 = 0 }, 0, INT64_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_size", "set window forced size", OFFSET(window_width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_title", "set window title", OFFSET(window_title), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_x", "set window x offset", OFFSET(window_x), AV_OPT_TYPE_INT, {.i64 = 0 }, -INT_MAX, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_y", "set window y offset", OFFSET(window_y), AV_OPT_TYPE_INT, {.i64 = 0 }, -INT_MAX, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ NULL }
}

Definition at line 351 of file xv.c.

const AVClass xv_class
static
Initial value:
= {
.class_name = "xvideo outdev",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 362 of file xv.c.

AVOutputFormat ff_xv_muxer
Initial value:
= {
.name = "xv",
.long_name = NULL_IF_CONFIG_SMALL("XV (XVideo) output device"),
.priv_data_size = sizeof(XVContext),
.audio_codec = AV_CODEC_ID_NONE,
.video_codec = AV_CODEC_ID_RAWVIDEO,
.write_uncoded_frame = xv_write_frame,
.control_message = xv_control_message,
.priv_class = &xv_class,
}

Definition at line 370 of file xv.c.