#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include "config.h"
#include <GL/gl.h>
#include <GL/glext.h>
#include "libavutil/common.h"
#include "libavutil/frame.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/avassert.h"
#include "libavformat/avformat.h"
#include "libavformat/internal.h"
#include "libavformat/mux.h"
#include "libavdevice/avdevice.h"
#include "opengl_enc_shaders.h"

Data Structures
struct	FFOpenGLFunctions

struct	OpenGLVertexInfo

struct	OpenGLContext

struct	OpenGLFormatDesc

Macros
#define	APIENTRY

#define	FF_GL_RED_COMPONENT 0x1903;

#define	FF_GL_UNSIGNED_BYTE_3_3_2 0x8032

#define	FF_GL_UNSIGNED_BYTE_2_3_3_REV 0x8362

#define	FF_GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366

#define	FF_GL_UNPACK_ROW_LENGTH 0x0CF2

#define	FF_GL_ARRAY_BUFFER 0x8892

#define	FF_GL_ELEMENT_ARRAY_BUFFER 0x8893

#define	FF_GL_STATIC_DRAW 0x88E4

#define	FF_GL_FRAGMENT_SHADER 0x8B30

#define	FF_GL_VERTEX_SHADER 0x8B31

#define	FF_GL_COMPILE_STATUS 0x8B81

#define	FF_GL_LINK_STATUS 0x8B82

#define	FF_GL_INFO_LOG_LENGTH 0x8B84

#define	OPENGL_ERROR_CHECK(ctx)

#define	LOAD_OPENGL_FUN(name, type)

#define	FILL_COMPONENT(i)

#define	LOAD_TEXTURE_DATA(comp_index, sub)

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

#define	ENC AV_OPT_FLAG_ENCODING_PARAM

Typedefs
typedef void(APIENTRY *	FF_PFNGLACTIVETEXTUREPROC) (GLenum texture)

typedef void(APIENTRY *	FF_PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers)

typedef void(APIENTRY *	FF_PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers)

typedef void(APIENTRY *	FF_PFNGLBUFFERDATAPROC) (GLenum target, ptrdiff_t size, const GLvoid *data, GLenum usage)

typedef void(APIENTRY *	FF_PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer)

typedef GLint(APIENTRY *	FF_PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const char *name)

typedef void(APIENTRY *	FF_PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index)

typedef void(APIENTRY *	FF_PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, uintptr_t pointer)

typedef GLint(APIENTRY *	FF_PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const char *name)

typedef void(APIENTRY *	FF_PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0)

typedef void(APIENTRY *	FF_PFNGLUNIFORM1IPROC) (GLint location, GLint v0)

typedef void(APIENTRY *	FF_PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)

typedef GLuint(APIENTRY *	FF_PFNGLCREATEPROGRAMPROC) (void)

typedef void(APIENTRY *	FF_PFNGLDELETEPROGRAMPROC) (GLuint program)

typedef void(APIENTRY *	FF_PFNGLUSEPROGRAMPROC) (GLuint program)

typedef void(APIENTRY *	FF_PFNGLLINKPROGRAMPROC) (GLuint program)

typedef void(APIENTRY *	FF_PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params)

typedef void(APIENTRY *	FF_PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei length, char infoLog)

typedef void(APIENTRY *	FF_PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader)

typedef GLuint(APIENTRY *	FF_PFNGLCREATESHADERPROC) (GLenum type)

typedef void(APIENTRY *	FF_PFNGLDELETESHADERPROC) (GLuint shader)

typedef void(APIENTRY *	FF_PFNGLCOMPILESHADERPROC) (GLuint shader)

typedef void(APIENTRY *	FF_PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const char *string, const GLint length)

typedef void(APIENTRY *	FF_PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params)

typedef void(APIENTRY *	FF_PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei length, char infoLog)

Functions
static av_cold int	opengl_prepare_vertex (AVFormatContext *s)

static int	opengl_draw (AVFormatContext h, void intput, int repaint, int is_pkt)

static av_cold int	opengl_init_context (OpenGLContext *opengl)

static av_cold void	opengl_deinit_context (OpenGLContext *opengl)

static int	opengl_resize (AVFormatContext *h, int width, int height)

static int	opengl_control_message (AVFormatContext h, int type, void data, size_t data_size)

static int av_cold	opengl_load_procedures (OpenGLContext *opengl)

static void	opengl_make_identity (float matrix[16])

static void	opengl_make_ortho (float matrix[16], float left, float right, float bottom, float top, float nearZ, float farZ)

static av_cold int	opengl_read_limits (AVFormatContext *h)

static const char *	opengl_get_fragment_shader_code (enum AVPixelFormat format)

static int	opengl_type_size (GLenum type)

static av_cold void	opengl_get_texture_params (OpenGLContext *opengl)

static void	opengl_compute_display_area (AVFormatContext *s)

static av_cold void	opengl_get_texture_size (OpenGLContext opengl, int in_width, int in_height, int out_width, int *out_height)

static av_cold void	opengl_fill_color_map (OpenGLContext *opengl)

static av_cold GLuint	opengl_load_shader (OpenGLContext opengl, GLenum type, const char source)

static av_cold int	opengl_compile_shaders (OpenGLContext *opengl, enum AVPixelFormat pix_fmt)

static av_cold int	opengl_configure_texture (OpenGLContext *opengl, GLuint texture, GLsizei width, GLsizei height)

static int	opengl_prepare (OpenGLContext *opengl)

static int	opengl_create_window (AVFormatContext *h)

static int	opengl_release_window (AVFormatContext *h)

static av_cold int	opengl_write_trailer (AVFormatContext *h)

static av_cold int	opengl_write_header (AVFormatContext *h)

static uint8_t *	opengl_get_plane_pointer (OpenGLContext opengl, AVPacket pkt, int comp_index, const AVPixFmtDescriptor *desc)

static int	opengl_write_packet (AVFormatContext h, AVPacket pkt)

static int	opengl_write_frame (AVFormatContext h, int stream_index, AVFrame *frame, unsigned flags)

Variables
static const GLushort	g_index [6]

static const struct OpenGLFormatDesc	opengl_format_desc []

static const AVOption	options []

static const AVClass	opengl_class

const FFOutputFormat	ff_opengl_muxer

Macro Definition Documentation

◆ APIENTRY

#define APIENTRY

Definition at line 65 of file opengl_enc.c.

◆ FF_GL_RED_COMPONENT

#define FF_GL_RED_COMPONENT 0x1903;

Definition at line 80 of file opengl_enc.c.

◆ FF_GL_UNSIGNED_BYTE_3_3_2

#define FF_GL_UNSIGNED_BYTE_3_3_2 0x8032

Definition at line 84 of file opengl_enc.c.

◆ FF_GL_UNSIGNED_BYTE_2_3_3_REV

#define FF_GL_UNSIGNED_BYTE_2_3_3_REV 0x8362

Definition at line 85 of file opengl_enc.c.

◆ FF_GL_UNSIGNED_SHORT_1_5_5_5_REV

#define FF_GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366

Definition at line 86 of file opengl_enc.c.

◆ FF_GL_UNPACK_ROW_LENGTH

#define FF_GL_UNPACK_ROW_LENGTH 0x0CF2

Definition at line 87 of file opengl_enc.c.

◆ FF_GL_ARRAY_BUFFER

#define FF_GL_ARRAY_BUFFER 0x8892

Definition at line 90 of file opengl_enc.c.

◆ FF_GL_ELEMENT_ARRAY_BUFFER

#define FF_GL_ELEMENT_ARRAY_BUFFER 0x8893

Definition at line 91 of file opengl_enc.c.

◆ FF_GL_STATIC_DRAW

#define FF_GL_STATIC_DRAW 0x88E4

Definition at line 92 of file opengl_enc.c.

◆ FF_GL_FRAGMENT_SHADER

#define FF_GL_FRAGMENT_SHADER 0x8B30

Definition at line 93 of file opengl_enc.c.

◆ FF_GL_VERTEX_SHADER

#define FF_GL_VERTEX_SHADER 0x8B31

Definition at line 94 of file opengl_enc.c.

◆ FF_GL_COMPILE_STATUS

#define FF_GL_COMPILE_STATUS 0x8B81

Definition at line 95 of file opengl_enc.c.

◆ FF_GL_LINK_STATUS

#define FF_GL_LINK_STATUS 0x8B82

Definition at line 96 of file opengl_enc.c.

◆ FF_GL_INFO_LOG_LENGTH

#define FF_GL_INFO_LOG_LENGTH 0x8B84

Definition at line 97 of file opengl_enc.c.

◆ OPENGL_ERROR_CHECK

#define OPENGL_ERROR_CHECK ( ctx )

Value:

{\
    GLenum err_code; \
    if ((err_code = glGetError()) != GL_NO_ERROR) { \
        av_log(ctx, AV_LOG_ERROR, "OpenGL error occurred in '%s', line %d: %d\n", __func__, __LINE__, err_code); \
        goto fail; \
    } \
}\

Definition at line 152 of file opengl_enc.c.

◆ LOAD_OPENGL_FUN

#define LOAD_OPENGL_FUN	(	name,
		type
	)

Value:

    procs->name = (type)SelectedGetProcAddress(#name); \
    if (!procs->name) { \
        av_log(opengl, AV_LOG_ERROR, "Cannot load OpenGL function: '%s'\n", #name); \
        return AVERROR(ENOSYS); \
    }

◆ FILL_COMPONENT

#define FILL_COMPONENT ( i )

Value:

        { \
        shift = (desc->comp[i].depth - 1) >> 3; \
        opengl->color_map[(i << 2) + (desc->comp[i].offset >> shift)] = 1.0; \
    }

◆ LOAD_TEXTURE_DATA

#define LOAD_TEXTURE_DATA	(	comp_index,
		sub
	)

Definition at line 1170 of file opengl_enc.c.

◆ OFFSET

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

Definition at line 1294 of file opengl_enc.c.

◆ ENC

#define ENC AV_OPT_FLAG_ENCODING_PARAM

Definition at line 1295 of file opengl_enc.c.

Typedef Documentation

◆ FF_PFNGLACTIVETEXTUREPROC

typedef void(APIENTRY * FF_PFNGLACTIVETEXTUREPROC) (GLenum texture)

Definition at line 98 of file opengl_enc.c.

◆ FF_PFNGLGENBUFFERSPROC

typedef void(APIENTRY * FF_PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers)

Definition at line 99 of file opengl_enc.c.

◆ FF_PFNGLDELETEBUFFERSPROC

typedef void(APIENTRY * FF_PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers)

Definition at line 100 of file opengl_enc.c.

◆ FF_PFNGLBUFFERDATAPROC

typedef void(APIENTRY * FF_PFNGLBUFFERDATAPROC) (GLenum target, ptrdiff_t size, const GLvoid *data, GLenum usage)

Definition at line 101 of file opengl_enc.c.

◆ FF_PFNGLBINDBUFFERPROC

typedef void(APIENTRY * FF_PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer)

Definition at line 102 of file opengl_enc.c.

◆ FF_PFNGLGETATTRIBLOCATIONPROC

typedef GLint(APIENTRY * FF_PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const char *name)

Definition at line 103 of file opengl_enc.c.

◆ FF_PFNGLENABLEVERTEXATTRIBARRAYPROC

typedef void(APIENTRY * FF_PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index)

Definition at line 104 of file opengl_enc.c.

◆ FF_PFNGLVERTEXATTRIBPOINTERPROC

typedef void(APIENTRY * FF_PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, uintptr_t pointer)

Definition at line 105 of file opengl_enc.c.

◆ FF_PFNGLGETUNIFORMLOCATIONPROC

typedef GLint(APIENTRY * FF_PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const char *name)

Definition at line 106 of file opengl_enc.c.

◆ FF_PFNGLUNIFORM1FPROC

typedef void(APIENTRY * FF_PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0)

Definition at line 107 of file opengl_enc.c.

◆ FF_PFNGLUNIFORM1IPROC

typedef void(APIENTRY * FF_PFNGLUNIFORM1IPROC) (GLint location, GLint v0)

Definition at line 108 of file opengl_enc.c.

◆ FF_PFNGLUNIFORMMATRIX4FVPROC

typedef void(APIENTRY * FF_PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value)

Definition at line 109 of file opengl_enc.c.

◆ FF_PFNGLCREATEPROGRAMPROC

typedef GLuint(APIENTRY * FF_PFNGLCREATEPROGRAMPROC) (void)

Definition at line 110 of file opengl_enc.c.

◆ FF_PFNGLDELETEPROGRAMPROC

typedef void(APIENTRY * FF_PFNGLDELETEPROGRAMPROC) (GLuint program)

Definition at line 111 of file opengl_enc.c.

◆ FF_PFNGLUSEPROGRAMPROC

typedef void(APIENTRY * FF_PFNGLUSEPROGRAMPROC) (GLuint program)

Definition at line 112 of file opengl_enc.c.

◆ FF_PFNGLLINKPROGRAMPROC

typedef void(APIENTRY * FF_PFNGLLINKPROGRAMPROC) (GLuint program)

Definition at line 113 of file opengl_enc.c.

◆ FF_PFNGLGETPROGRAMIVPROC

typedef void(APIENTRY * FF_PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params)

Definition at line 114 of file opengl_enc.c.

◆ FF_PFNGLGETPROGRAMINFOLOGPROC

typedef void(APIENTRY * FF_PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, char *infoLog)

Definition at line 115 of file opengl_enc.c.

◆ FF_PFNGLATTACHSHADERPROC

typedef void(APIENTRY * FF_PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader)

Definition at line 116 of file opengl_enc.c.

◆ FF_PFNGLCREATESHADERPROC

typedef GLuint(APIENTRY * FF_PFNGLCREATESHADERPROC) (GLenum type)

Definition at line 117 of file opengl_enc.c.

◆ FF_PFNGLDELETESHADERPROC

typedef void(APIENTRY * FF_PFNGLDELETESHADERPROC) (GLuint shader)

Definition at line 118 of file opengl_enc.c.

◆ FF_PFNGLCOMPILESHADERPROC

typedef void(APIENTRY * FF_PFNGLCOMPILESHADERPROC) (GLuint shader)

Definition at line 119 of file opengl_enc.c.

◆ FF_PFNGLSHADERSOURCEPROC

typedef void(APIENTRY * FF_PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const char **string, const GLint *length)

Definition at line 120 of file opengl_enc.c.

◆ FF_PFNGLGETSHADERIVPROC

typedef void(APIENTRY * FF_PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params)

Definition at line 121 of file opengl_enc.c.

◆ FF_PFNGLGETSHADERINFOLOGPROC

typedef void(APIENTRY * FF_PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, char *infoLog)

Definition at line 122 of file opengl_enc.c.

Function Documentation

◆ opengl_prepare_vertex()

static av_cold int opengl_prepare_vertex ( AVFormatContext * s )

static

Definition at line 866 of file opengl_enc.c.

Referenced by opengl_resize(), and opengl_write_header().

◆ opengl_draw()

static int opengl_draw	(	AVFormatContext *	h,
		void *	intput,
		int	repaint,
		int	is_pkt
	)

static

Definition at line 1208 of file opengl_enc.c.

Referenced by opengl_resize(), opengl_write_frame(), and opengl_write_packet().

◆ opengl_init_context()

static av_cold int opengl_init_context ( OpenGLContext * opengl )

static

Definition at line 1000 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_deinit_context()

static av_cold void opengl_deinit_context ( OpenGLContext * opengl )

static

Definition at line 286 of file opengl_enc.c.

Referenced by opengl_write_trailer().

◆ opengl_resize()

static int opengl_resize	(	AVFormatContext *	h,
		int	width,
		int	height
	)

static

Definition at line 312 of file opengl_enc.c.

Referenced by opengl_control_message().

◆ opengl_control_message()

static int opengl_control_message	(	AVFormatContext *	h,
		int	type,
		void *	data,
		size_t	data_size
	)

static

Definition at line 332 of file opengl_enc.c.

◆ opengl_load_procedures()

static int av_cold opengl_load_procedures ( OpenGLContext * opengl )

static

Definition at line 493 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_make_identity()

static void opengl_make_identity ( float matrix[16] )

static

Definition at line 548 of file opengl_enc.c.

Referenced by opengl_prepare_vertex().

◆ opengl_make_ortho()

static void opengl_make_ortho	(	float	matrix[16],
		float	left,
		float	right,
		float	bottom,
		float	top,
		float	nearZ,
		float	farZ
	)

static

Definition at line 554 of file opengl_enc.c.

Referenced by opengl_prepare_vertex().

◆ opengl_read_limits()

static av_cold int opengl_read_limits ( AVFormatContext * h )

static

Definition at line 574 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_get_fragment_shader_code()

static const char* opengl_get_fragment_shader_code ( enum AVPixelFormat format )

static

Definition at line 634 of file opengl_enc.c.

Referenced by opengl_compile_shaders().

◆ opengl_type_size()

static int opengl_type_size ( GLenum type )

static

Definition at line 644 of file opengl_enc.c.

Referenced by opengl_get_plane_pointer().

◆ opengl_get_texture_params()

static av_cold void opengl_get_texture_params ( OpenGLContext * opengl )

static

Definition at line 660 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_compute_display_area()

static void opengl_compute_display_area ( AVFormatContext * s )

static

Definition at line 672 of file opengl_enc.c.

Referenced by opengl_prepare_vertex().

◆ opengl_get_texture_size()

static av_cold void opengl_get_texture_size	(	OpenGLContext *	opengl,
		int	in_width,
		int	in_height,
		int *	out_width,
		int *	out_height
	)

static

Definition at line 696 of file opengl_enc.c.

Referenced by opengl_configure_texture(), and opengl_prepare_vertex().

◆ opengl_fill_color_map()

static av_cold void opengl_fill_color_map ( OpenGLContext * opengl )

static

Definition at line 714 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_load_shader()

static av_cold GLuint opengl_load_shader	(	OpenGLContext *	opengl,
		GLenum	type,
		const char *	source
	)

static

Definition at line 746 of file opengl_enc.c.

Referenced by opengl_compile_shaders().

◆ opengl_compile_shaders()

static av_cold int opengl_compile_shaders	(	OpenGLContext *	opengl,
		enum AVPixelFormat	pix_fmt
	)

static

Definition at line 777 of file opengl_enc.c.

Referenced by opengl_init_context().

◆ opengl_configure_texture()

static av_cold int opengl_configure_texture	(	OpenGLContext *	opengl,
		GLuint	texture,
		GLsizei	width,
		GLsizei	height
	)

static

Definition at line 846 of file opengl_enc.c.

Referenced by opengl_init_context().

◆ opengl_prepare()

static int opengl_prepare ( OpenGLContext * opengl )

static

Definition at line 911 of file opengl_enc.c.

Referenced by opengl_draw().

◆ opengl_create_window()

static int opengl_create_window ( AVFormatContext * h )

static

Definition at line 936 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_release_window()

static int opengl_release_window ( AVFormatContext * h )

static

Definition at line 969 of file opengl_enc.c.

Referenced by opengl_write_trailer().

◆ opengl_write_trailer()

static av_cold int opengl_write_trailer ( AVFormatContext * h )

static

Definition at line 986 of file opengl_enc.c.

Referenced by opengl_write_header().

◆ opengl_write_header()

static av_cold int opengl_write_header ( AVFormatContext * h )

static

Definition at line 1059 of file opengl_enc.c.

◆ opengl_get_plane_pointer()

static uint8_t* opengl_get_plane_pointer	(	OpenGLContext *	opengl,
		AVPacket *	pkt,
		int	comp_index,
		const AVPixFmtDescriptor *	desc
	)

static

Definition at line 1141 of file opengl_enc.c.

◆ opengl_write_packet()

static int opengl_write_packet	(	AVFormatContext *	h,
		AVPacket *	pkt
	)

static

Definition at line 1275 of file opengl_enc.c.

◆ opengl_write_frame()

static int opengl_write_frame	(	AVFormatContext *	h,
		int	stream_index,
		AVFrame **	frame,
		unsigned	flags
	)

static

Definition at line 1286 of file opengl_enc.c.

Variable Documentation

◆ g_index

const GLushort g_index[6]

static

Initial value:

=
{
    0, 1, 2,
    0, 3, 2,
}

Definition at line 168 of file opengl_enc.c.

Referenced by opengl_draw(), and opengl_init_context().

◆ opengl_format_desc

const struct OpenGLFormatDesc opengl_format_desc[]

static

Referenced by opengl_get_fragment_shader_code(), and opengl_get_texture_params().

◆ options

const AVOption options[]

static

Initial value:

= {
    { "background",   "set background color",   OFFSET(background),   AV_OPT_TYPE_COLOR,  {.str = "black"}, 0, 0, ENC },
    { "no_window",    "disable default window", OFFSET(no_window),    AV_OPT_TYPE_INT,    {.i64 = 0}, INT_MIN, INT_MAX, ENC },
    { "window_title", "set window title",       OFFSET(window_title), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, ENC },
    { "window_size",  "set window size",        OFFSET(window_width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, ENC },
    { NULL }
}

Definition at line 1296 of file opengl_enc.c.

◆ opengl_class

const AVClass opengl_class

static

Initial value:

= {
    .class_name = "opengl outdev",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
}

Definition at line 1304 of file opengl_enc.c.

◆ ff_opengl_muxer

const FFOutputFormat ff_opengl_muxer

Initial value:

= {
    .p.name              = "opengl",
    .p.long_name         = NULL_IF_CONFIG_SMALL("OpenGL output"),
    .p.audio_codec       = AV_CODEC_ID_NONE,
    .p.video_codec       = AV_CODEC_ID_WRAPPED_AVFRAME,
    .p.flags             = AVFMT_NOFILE | AVFMT_VARIABLE_FPS | AVFMT_NOTIMESTAMPS,
    .p.priv_class        = &opengl_class,
    .priv_data_size = sizeof(OpenGLContext),
    .write_header   = opengl_write_header,
    .write_packet   = opengl_write_packet,
    .write_uncoded_frame = opengl_write_frame,
    .write_trailer  = opengl_write_trailer,
    .control_message = opengl_control_message,
}

Definition at line 1312 of file opengl_enc.c.

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ APIENTRY

◆ FF_GL_RED_COMPONENT

◆ FF_GL_UNSIGNED_BYTE_3_3_2

◆ FF_GL_UNSIGNED_BYTE_2_3_3_REV

◆ FF_GL_UNSIGNED_SHORT_1_5_5_5_REV

◆ FF_GL_UNPACK_ROW_LENGTH

◆ FF_GL_ARRAY_BUFFER

◆ FF_GL_ELEMENT_ARRAY_BUFFER

◆ FF_GL_STATIC_DRAW

◆ FF_GL_FRAGMENT_SHADER

◆ FF_GL_VERTEX_SHADER

◆ FF_GL_COMPILE_STATUS

◆ FF_GL_LINK_STATUS

◆ FF_GL_INFO_LOG_LENGTH

◆ OPENGL_ERROR_CHECK

◆ LOAD_OPENGL_FUN

◆ FILL_COMPONENT

◆ LOAD_TEXTURE_DATA

◆ OFFSET

◆ ENC

Typedef Documentation

◆ FF_PFNGLACTIVETEXTUREPROC

◆ FF_PFNGLGENBUFFERSPROC

◆ FF_PFNGLDELETEBUFFERSPROC

◆ FF_PFNGLBUFFERDATAPROC

◆ FF_PFNGLBINDBUFFERPROC

◆ FF_PFNGLGETATTRIBLOCATIONPROC

◆ FF_PFNGLENABLEVERTEXATTRIBARRAYPROC

◆ FF_PFNGLVERTEXATTRIBPOINTERPROC

◆ FF_PFNGLGETUNIFORMLOCATIONPROC

◆ FF_PFNGLUNIFORM1FPROC

◆ FF_PFNGLUNIFORM1IPROC

◆ FF_PFNGLUNIFORMMATRIX4FVPROC

◆ FF_PFNGLCREATEPROGRAMPROC

◆ FF_PFNGLDELETEPROGRAMPROC

◆ FF_PFNGLUSEPROGRAMPROC

◆ FF_PFNGLLINKPROGRAMPROC

◆ FF_PFNGLGETPROGRAMIVPROC

◆ FF_PFNGLGETPROGRAMINFOLOGPROC

◆ FF_PFNGLATTACHSHADERPROC

◆ FF_PFNGLCREATESHADERPROC

◆ FF_PFNGLDELETESHADERPROC

◆ FF_PFNGLCOMPILESHADERPROC

◆ FF_PFNGLSHADERSOURCEPROC

◆ FF_PFNGLGETSHADERIVPROC

◆ FF_PFNGLGETSHADERINFOLOGPROC

Function Documentation

◆ opengl_prepare_vertex()

◆ opengl_draw()

◆ opengl_init_context()

◆ opengl_deinit_context()

◆ opengl_resize()

◆ opengl_control_message()

◆ opengl_load_procedures()

◆ opengl_make_identity()

◆ opengl_make_ortho()

◆ opengl_read_limits()

◆ opengl_get_fragment_shader_code()

◆ opengl_type_size()

◆ opengl_get_texture_params()

◆ opengl_compute_display_area()

◆ opengl_get_texture_size()

◆ opengl_fill_color_map()

◆ opengl_load_shader()

◆ opengl_compile_shaders()

◆ opengl_configure_texture()

◆ opengl_prepare()

◆ opengl_create_window()

◆ opengl_release_window()

◆ opengl_write_trailer()

◆ opengl_write_header()

◆ opengl_get_plane_pointer()

◆ opengl_write_packet()

◆ opengl_write_frame()