Inheritance diagram for still_image_video_pattern_generator:

Collaboration diagram for still_image_video_pattern_generator:

Public Member Functions
	still_image_video_pattern_generator (string const &pattern, string const &params, int w, int h, codec_t c, int o)

char *	get_next () override

Public Member Functions inherited from video_pattern_generator
virtual	~video_pattern_generator ()

Public Attributes
codec_t	color_spec

long	cur_pos = 0

vector< unsigned char >	data

long	data_len = vc_get_datalen(width, height, color_spec)

int	height

long	linesize = vc_get_linesize(width, color_spec)

int	offset

int	width

Detailed Description

Definition at line 666 of file video_pattern_generator.cpp.

Constructor & Destructor Documentation

◆ still_image_video_pattern_generator()

still_image_video_pattern_generator::still_image_video_pattern_generator	(	string const &	pattern,
		string const &	params,
		int	w,
		int	h,
		codec_t	c,
		int	o )

inline

Definition at line 667 of file video_pattern_generator.cpp.

                : width(w), height(h), color_spec(c), offset(o)
        {
                unique_ptr<image_pattern> generator;
                try {
                        generator = image_pattern::create(pattern, params);
                } catch (exception const &e) {
                        LOG(LOG_LEVEL_ERROR) << MOD_NAME << e.what() << "\n";
                        throw 1;
                }
                if (!generator) {
                        throw 2;
                }
 
                data = generator->init(width, height, generator_depth::bits8);
                codec_t codec_src = RGBA;
                if (get_decoder_from_to(RG48, color_spec) != NULL) {
                        data = generator->init(width, height, generator_depth::bits16);
                        codec_src = RG48;
                }
 
                vector<unsigned char> src;
                data.swap(src);
                long data_len = vc_get_datalen(width, height, color_spec);
                data.resize(data_len * 2);
                testcard_convert_buffer(codec_src, color_spec, data.data(), src.data(), width, height);
 
                if (auto *raw_generator = dynamic_cast<image_pattern_raw *>(generator.get())) {
                        raw_generator->raw_fill(data.data(), data_len);
                }
 
                memcpy(data.data() + data_len, data.data(), data_len);
        }

References bits16, bits8, color_spec, image_pattern::create(), data, data_len, get_decoder_from_to(), height, LOG, LOG_LEVEL_ERROR, MOD_NAME, RG48, RGBA, testcard_convert_buffer(), vc_get_datalen(), and width.

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Member Function Documentation

◆ get_next()

char * still_image_video_pattern_generator::get_next ( )

inlineoverridevirtual

Implements video_pattern_generator.

Definition at line 709 of file video_pattern_generator.cpp.

                                  {
                auto ret = (char *) data.data() + cur_pos;
                cur_pos += offset;
                if (cur_pos >= data_len) {
                        cur_pos = 0;
                }
                return ret;
        }