From c8c0189d62f26569464c86231fa885f0b0c33f14 Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Sun, 20 Feb 2011 22:42:24 +0000 Subject: lavfi: put color source in a dedicated file Move the color source code from vf_pad.c to vsrc_color.c. Signed-off-by: Mans Rullgard --- libavfilter/vf_pad.c | 128 --------------------------------------------------- 1 file changed, 128 deletions(-) (limited to 'libavfilter/vf_pad.c') diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c index 30ec5ba6e9..492b08eb68 100644 --- a/libavfilter/vf_pad.c +++ b/libavfilter/vf_pad.c @@ -53,8 +53,6 @@ static int query_formats(AVFilterContext *ctx) return 0; } -#if CONFIG_PAD_FILTER - typedef struct { int w, h; ///< output dimensions, a value of 0 will result in the input size int x, y; ///< offsets of the input area with respect to the padded area @@ -330,129 +328,3 @@ AVFilter avfilter_vf_pad = { .config_props = config_output, }, { .name = NULL}}, }; - -#endif /* CONFIG_PAD_FILTER */ - -#if CONFIG_COLOR_FILTER - -typedef struct { - int w, h; - uint8_t color[4]; - AVRational time_base; - uint8_t *line[4]; - int line_step[4]; - int hsub, vsub; ///< chroma subsampling values - uint64_t pts; -} ColorContext; - -static av_cold int color_init(AVFilterContext *ctx, const char *args, void *opaque) -{ - ColorContext *color = ctx->priv; - char color_string[128] = "black"; - char frame_size [128] = "320x240"; - char frame_rate [128] = "25"; - AVRational frame_rate_q; - int ret; - - if (args) - sscanf(args, "%127[^:]:%127[^:]:%127s", color_string, frame_size, frame_rate); - - if (av_parse_video_size(&color->w, &color->h, frame_size) < 0) { - av_log(ctx, AV_LOG_ERROR, "Invalid frame size: %s\n", frame_size); - return AVERROR(EINVAL); - } - - if (av_parse_video_rate(&frame_rate_q, frame_rate) < 0 || - frame_rate_q.den <= 0 || frame_rate_q.num <= 0) { - av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: %s\n", frame_rate); - return AVERROR(EINVAL); - } - color->time_base.num = frame_rate_q.den; - color->time_base.den = frame_rate_q.num; - - if ((ret = av_parse_color(color->color, color_string, -1, ctx)) < 0) - return ret; - - return 0; -} - -static av_cold void color_uninit(AVFilterContext *ctx) -{ - ColorContext *color = ctx->priv; - int i; - - for (i = 0; i < 4; i++) { - av_freep(&color->line[i]); - color->line_step[i] = 0; - } -} - -static int color_config_props(AVFilterLink *inlink) -{ - AVFilterContext *ctx = inlink->src; - ColorContext *color = ctx->priv; - uint8_t rgba_color[4]; - int is_packed_rgba; - const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format]; - - color->hsub = pix_desc->log2_chroma_w; - color->vsub = pix_desc->log2_chroma_h; - - color->w &= ~((1 << color->hsub) - 1); - color->h &= ~((1 << color->vsub) - 1); - if (av_image_check_size(color->w, color->h, 0, ctx) < 0) - return AVERROR(EINVAL); - - memcpy(rgba_color, color->color, sizeof(rgba_color)); - ff_fill_line_with_color(color->line, color->line_step, color->w, color->color, - inlink->format, rgba_color, &is_packed_rgba, NULL); - - av_log(ctx, AV_LOG_INFO, "w:%d h:%d r:%d/%d color:0x%02x%02x%02x%02x[%s]\n", - color->w, color->h, color->time_base.den, color->time_base.num, - color->color[0], color->color[1], color->color[2], color->color[3], - is_packed_rgba ? "rgba" : "yuva"); - inlink->w = color->w; - inlink->h = color->h; - - return 0; -} - -static int color_request_frame(AVFilterLink *link) -{ - ColorContext *color = link->src->priv; - AVFilterBufferRef *picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, color->w, color->h); - picref->video->pixel_aspect = (AVRational) {1, 1}; - picref->pts = av_rescale_q(color->pts++, color->time_base, AV_TIME_BASE_Q); - picref->pos = 0; - - avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0)); - ff_draw_rectangle(picref->data, picref->linesize, - color->line, color->line_step, color->hsub, color->vsub, - 0, 0, color->w, color->h); - avfilter_draw_slice(link, 0, color->h, 1); - avfilter_end_frame(link); - avfilter_unref_buffer(picref); - - return 0; -} - -AVFilter avfilter_vsrc_color = { - .name = "color", - .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]"), - - .priv_size = sizeof(ColorContext), - .init = color_init, - .uninit = color_uninit, - - .query_formats = query_formats, - - .inputs = (AVFilterPad[]) {{ .name = NULL}}, - - .outputs = (AVFilterPad[]) {{ .name = "default", - .type = AVMEDIA_TYPE_VIDEO, - .request_frame = color_request_frame, - .config_props = color_config_props }, - { .name = NULL}}, -}; - -#endif /* CONFIG_COLOR_FILTER */ -- cgit v1.2.3