int av_parse_color(uint8_t *rgba_color, const char *color_string, void *log_ctx) { if (!strcasecmp(color_string, "random") || !strcasecmp(color_string, "bikeshed")) { int rgba = ff_random_get_seed(); rgba_color[0] = rgba >> 24; rgba_color[1] = rgba >> 16; rgba_color[2] = rgba >> 8; rgba_color[3] = rgba; } else if (!strncmp(color_string, "0x", 2)) { char *tail; int len = strlen(color_string); int rgba = strtol(color_string, &tail, 16); if (*tail || (len != 8 && len != 10)) { av_log(log_ctx, AV_LOG_ERROR, "Invalid 0xRRGGBB[AA] color string: '%s'\n", color_string); return -1; } if (len == 10) { rgba_color[3] = rgba; rgba >>= 8; } rgba_color[0] = rgba >> 16; rgba_color[1] = rgba >> 8; rgba_color[2] = rgba; } else { const ColorEntry *entry = bsearch(color_string, color_table, FF_ARRAY_ELEMS(color_table), sizeof(ColorEntry), color_table_compare); if (!entry) { av_log(log_ctx, AV_LOG_ERROR, "Cannot find color '%s'\n", color_string); return -1; } memcpy(rgba_color, entry->rgba_color, 4); } return 0; }