vfwcap.c File Reference

#include "libavutil/internal.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavcodec/packet_internal.h"
#include "libavformat/demux.h"
#include "libavformat/internal.h"
#include <windows.h>
#include <vfw.h>
#include "avdevice.h"

Go to the source code of this file.

Data Structures
struct	vfw_ctx

Macros
#define	HWND_MESSAGE   ((HWND) -3)
#define	dstruct(pctx, sname, var, type)   av_log(pctx, AV_LOG_DEBUG, #var":\t%"type"\n", sname->var)
#define	OFFSET(x)   offsetof(struct vfw_ctx, x)
#define	DEC   AV_OPT_FLAG_DECODING_PARAM

Functions
static enum AVPixelFormat	vfw_pixfmt (DWORD biCompression, WORD biBitCount)
static enum AVCodecID	vfw_codecid (DWORD biCompression)
static void	dump_captureparms (AVFormatContext *s, CAPTUREPARMS *cparms)
static void	dump_videohdr (AVFormatContext *s, VIDEOHDR *vhdr)
static void	dump_bih (AVFormatContext *s, BITMAPINFOHEADER *bih)
static int	shall_we_drop (AVFormatContext *s)
static LRESULT CALLBACK	videostream_cb (HWND hwnd, LPVIDEOHDR vdhdr)
static int	vfw_read_close (AVFormatContext *s)
static int	vfw_read_header (AVFormatContext *s)
static int	vfw_read_packet (AVFormatContext *s, AVPacket *pkt)

Variables
static const AVOption	options []
static const AVClass	vfw_class
const FFInputFormat	ff_vfwcap_demuxer

Macro Definition Documentation

HWND_MESSAGE

#define HWND_MESSAGE   ((HWND) -3)

Definition at line 41 of file vfwcap.c.

dstruct

#define dstruct	(		pctx,
			sname,
			var,
			type
	)		av_log(pctx, AV_LOG_DEBUG, #var":\t%"type"\n", sname->var)

Definition at line 96 of file vfwcap.c.

OFFSET

#define OFFSET

(

x

)

offsetof(struct vfw_ctx, x)

Definition at line 470 of file vfwcap.c.

DEC

#define DEC   AV_OPT_FLAG_DECODING_PARAM

Definition at line 471 of file vfwcap.c.

Function Documentation

vfw_pixfmt()

static enum AVPixelFormat vfw_pixfmt ( DWORD  biCompression, WORD  biBitCount  )

static

Definition at line 56 of file vfwcap.c.

Referenced by vfw_read_header().

vfw_codecid()

static enum AVCodecID vfw_codecid ( DWORD  biCompression )

static

Definition at line 84 of file vfwcap.c.

Referenced by vfw_read_header().

dump_captureparms()

static void dump_captureparms ( AVFormatContext *  s, CAPTUREPARMS *  cparms  )

static

Definition at line 99 of file vfwcap.c.

Referenced by vfw_read_header().

dump_videohdr()

static void dump_videohdr ( AVFormatContext *  s, VIDEOHDR *  vhdr  )

static

Definition at line 128 of file vfwcap.c.

Referenced by videostream_cb().

dump_bih()

static void dump_bih ( AVFormatContext *  s, BITMAPINFOHEADER *  bih  )

static

Definition at line 145 of file vfwcap.c.

Referenced by ff_print_AM_MEDIA_TYPE(), and vfw_read_header().

shall_we_drop()

static int shall_we_drop ( AVFormatContext *  s )

static

Definition at line 163 of file vfwcap.c.

Referenced by videostream_cb().

videostream_cb()

static LRESULT CALLBACK videostream_cb ( HWND  hwnd, LPVIDEOHDR  vdhdr  )

static

Definition at line 179 of file vfwcap.c.

Referenced by vfw_read_header().

vfw_read_close()

static int vfw_read_close ( AVFormatContext *  s )

static

Definition at line 221 of file vfwcap.c.

Referenced by vfw_read_header().

vfw_read_header()

static int vfw_read_header ( AVFormatContext *  s )

static

Definition at line 247 of file vfwcap.c.

vfw_read_packet()

static int vfw_read_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 441 of file vfwcap.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
    { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc"}, 0, 0, DEC },
    { NULL },
}

Definition at line 472 of file vfwcap.c.

vfw_class

const AVClass vfw_class

static

Initial value:

= {
    .class_name = "VFW indev",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT
}

Definition at line 478 of file vfwcap.c.

ff_vfwcap_demuxer

const FFInputFormat ff_vfwcap_demuxer

Initial value:

= {
    .p.name         = "vfwcap",
    .p.long_name    = NULL_IF_CONFIG_SMALL("VfW video capture"),
    .p.flags        = AVFMT_NOFILE,
    .p.priv_class   = &vfw_class,
    .priv_data_size = sizeof(struct vfw_ctx),
    .read_header    = vfw_read_header,
    .read_packet    = vfw_read_packet,
    .read_close     = vfw_read_close,
}

Definition at line 486 of file vfwcap.c.